Filter of discoverable key spaces

Filter to exclude discovered key spaces

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Number of dropped regular writes messages.

Number of dropped regular reads messages.

Size, in bytes, of the on disk data size this node manages.

Number of internal exceptions caught. Under normal exceptions this should be zero.

Number of hint messages written to this node since [re]start. Includes one entry for each host to be hinted per hint.

Number of completed compactions since server [re]start.

Throughput of completed compactions since server [re]start.

Estimated number of compactions remaining to perform.

Number of commit log messages written but yet to be fsync'd.

Current size, in bytes, used by all the commit log segments.

Latency read from disk in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Cache capacity in bytes.

Preprocessing

• Discard unchanged with heartbeat: 1h

Total number of cache entries.

All time cache hit rate.

Preprocessing

• Custom multiplier: 100

Rate of cache hits.

Preprocessing

• Change per second

Rate of cache requests.

Preprocessing

• Change per second

Total size of occupied cache, in bytes.

Number of clients connected to this nodes native protocol server.

Number of connected to this nodes thrift clients.

The number of client requests per second.

Preprocessing

• Change per second

The number of local write requests per second.

Preprocessing

• Change per second

Number of write requests timeouts encountered.

Number of queued tasks queued up on this pool.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that were blocked due to queue saturation.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of queued tasks queued up on this pool.

CounterMutationStage: Responsible for counter writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

CounterMutationStage: Responsible for counter writes.

Number of tasks that were blocked due to queue saturation.

CounterMutationStage: Responsible for counter writes.

Number of queued tasks queued up on this pool.

ReadStage: Local reads run on this thread pool.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ReadStage: Local reads run on this thread pool.

Number of tasks that were blocked due to queue saturation.

ReadStage: Local reads run on this thread pool.

Number of queued tasks queued up on this pool.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that were blocked due to queue saturation.

ViewMutationStage: Responsible for materialized view writes.

Number of queued tasks queued up on this pool.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that were blocked due to queue saturation.

MemtableFlushWriter: Writes memtables to disk.

Number of queued tasks queued up on this pool.

HintsDispatcher: Performs hinted handoff.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

HintsDispatcher: Performs hinted handoff.

Number of tasks that were blocked due to queue saturation.

HintsDispatcher: Performs hinted handoff.

Number of queued tasks queued up on this pool.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that were blocked due to queue saturation.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of queued tasks queued up on this pool.

MigrationStage: Runs schema migrations.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MigrationStage: Runs schema migrations.

Number of tasks that were blocked due to queue saturation.

MigrationStage: Runs schema migrations.

Number of queued tasks queued up on this pool.

MiscStage: Miscellaneous tasks run here.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MiscStage: Miscellaneous tasks run here.

Number of tasks that were blocked due to queue saturation.

MiscStage: Miscellaneous tasks run here.

Number of queued tasks queued up on this pool.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that were blocked due to queue saturation.

SecondaryIndexManagement: Performs updates to secondary indexes.

Cassandra version has changed. Acknowledge to close the problem manually.

Zabbix has not received data for items for the last 15 minutes

• Apache Cassandra: Too many pending tasks

Info about keyspaces and tables

The number of SSTable data files accessed per read - p75.

The number of SSTable data files accessed per read - p95.

Number of tombstones scanned per read - p75.

Number of tombstones scanned per read - p95.

The time spent waiting for free memtable space either on- or off-heap - p75.

Preprocessing

• Custom multiplier: 0.001

The time spent waiting for free memtable space either on- or off-heap - p95.

Preprocessing

• Custom multiplier: 0.001

The column update time delta - p75.

Preprocessing

• Custom multiplier: 0.001

The column update time delta - p95.

Preprocessing

• Custom multiplier: 0.001

The ratio of Bloom filter false positives to total checks.

The compression ratio for all SSTables.

The key cache hit rate.

Number of "live" (in use) SSTables.

The size of the largest compacted partition.

The average size of compacted partition.

The number of pending compactions.

The disk space truly used by snapshots.

The amount of data that was compacted since (re)start.

The amount of data that was flushed since (re)start.

The number of pending flushes.

The disk space used by "live" SSTables (only counts in use files).

Disk space used.

The number of row cache hits that do not satisfy the query filter and went to disk.

The number of row cache hits.

The number of table row cache misses.

Latency read from disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

The number of client requests per second.

Preprocessing

• Change per second

Latency write to disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

The number of local write requests per second.

Preprocessing

• Change per second

Filter of discoverable key spaces

Filter to exclude discovered key spaces

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Number of dropped regular writes messages.

Number of dropped regular reads messages.

Size, in bytes, of the on disk data size this node manages.

Number of internal exceptions caught. Under normal exceptions this should be zero.

Number of hint messages written to this node since [re]start. Includes one entry for each host to be hinted per hint.

Number of completed compactions since server [re]start.

Throughput of completed compactions since server [re]start.

Estimated number of compactions remaining to perform.

Number of commit log messages written but yet to be fsync'd.

Current size, in bytes, used by all the commit log segments.

Latency read from disk in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Cache capacity in bytes.

Preprocessing

• Discard unchanged with heartbeat: 1h

Total number of cache entries.

All time cache hit rate.

Preprocessing

• Custom multiplier: 100

Rate of cache hits.

Preprocessing

• Change per second

Rate of cache requests.

Preprocessing

• Change per second

Total size of occupied cache, in bytes.

Number of clients connected to this nodes native protocol server.

Number of connected to this nodes thrift clients.

The number of client requests per second.

Preprocessing

• Change per second

The number of local write requests per second.

Preprocessing

• Change per second

Number of write requests timeouts encountered.

Number of queued tasks queued up on this pool.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that were blocked due to queue saturation.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of queued tasks queued up on this pool.

CounterMutationStage: Responsible for counter writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

CounterMutationStage: Responsible for counter writes.

Number of tasks that were blocked due to queue saturation.

CounterMutationStage: Responsible for counter writes.

Number of queued tasks queued up on this pool.

ReadStage: Local reads run on this thread pool.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ReadStage: Local reads run on this thread pool.

Number of tasks that were blocked due to queue saturation.

ReadStage: Local reads run on this thread pool.

Number of queued tasks queued up on this pool.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that were blocked due to queue saturation.

ViewMutationStage: Responsible for materialized view writes.

Number of queued tasks queued up on this pool.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that were blocked due to queue saturation.

MemtableFlushWriter: Writes memtables to disk.

Number of queued tasks queued up on this pool.

HintsDispatcher: Performs hinted handoff.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

HintsDispatcher: Performs hinted handoff.

Number of tasks that were blocked due to queue saturation.

HintsDispatcher: Performs hinted handoff.

Number of queued tasks queued up on this pool.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that were blocked due to queue saturation.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of queued tasks queued up on this pool.

MigrationStage: Runs schema migrations.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MigrationStage: Runs schema migrations.

Number of tasks that were blocked due to queue saturation.

MigrationStage: Runs schema migrations.

Number of queued tasks queued up on this pool.

MiscStage: Miscellaneous tasks run here.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MiscStage: Miscellaneous tasks run here.

Number of tasks that were blocked due to queue saturation.

MiscStage: Miscellaneous tasks run here.

Number of queued tasks queued up on this pool.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that were blocked due to queue saturation.

SecondaryIndexManagement: Performs updates to secondary indexes.

Cassandra version has changed. Acknowledge to close the problem manually.

Zabbix has not received data for items for the last 15 minutes

• Apache Cassandra: Too many pending tasks

Info about keyspaces and tables

The number of SSTable data files accessed per read - p75.

The number of SSTable data files accessed per read - p95.

Number of tombstones scanned per read - p75.

Number of tombstones scanned per read - p95.

The time spent waiting for free memtable space either on- or off-heap - p75.

Preprocessing

• Custom multiplier: 0.001

The time spent waiting for free memtable space either on- or off-heap - p95.

Preprocessing

• Custom multiplier: 0.001

The column update time delta - p75.

Preprocessing

• Custom multiplier: 0.001

The column update time delta - p95.

Preprocessing

• Custom multiplier: 0.001

The ratio of Bloom filter false positives to total checks.

The compression ratio for all SSTables.

The key cache hit rate.

Number of "live" (in use) SSTables.

The size of the largest compacted partition.

The average size of compacted partition.

The number of pending compactions.

The disk space truly used by snapshots.

The amount of data that was compacted since (re)start.

The amount of data that was flushed since (re)start.

The number of pending flushes.

The disk space used by "live" SSTables (only counts in use files).

Disk space used.

The number of row cache hits that do not satisfy the query filter and went to disk.

The number of row cache hits.

The number of table row cache misses.

Latency read from disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

The number of client requests per second.

Preprocessing

• Change per second

Latency write to disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

The number of local write requests per second.

Preprocessing

• Change per second

Filter of discoverable key spaces

Filter to exclude discovered key spaces

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Number of dropped regular writes messages.

Number of dropped regular reads messages.

Size, in bytes, of the on disk data size this node manages.

Number of internal exceptions caught. Under normal exceptions this should be zero.

Number of hint messages written to this node since [re]start. Includes one entry for each host to be hinted per hint.

Number of completed compactions since server [re]start.

Throughput of completed compactions since server [re]start.

Estimated number of compactions remaining to perform.

Number of commit log messages written but yet to be fsync'd.

Current size, in bytes, used by all the commit log segments.

Latency read from disk in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Cache capacity in bytes.

Preprocessing

• Discard unchanged with heartbeat: 1h

Total number of cache entries.

All time cache hit rate.

Preprocessing

• Custom multiplier: 100

Rate of cache hits.

Preprocessing

• Change per second

Rate of cache requests.

Preprocessing

• Change per second

Total size of occupied cache, in bytes.

Number of clients connected to this nodes native protocol server.

Number of connected to this nodes thrift clients.

The number of client requests per second.

Preprocessing

• Change per second

The number of local write requests per second.

Preprocessing

• Change per second

Number of write requests timeouts encountered.

Number of queued tasks queued up on this pool.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that were blocked due to queue saturation.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of queued tasks queued up on this pool.

CounterMutationStage: Responsible for counter writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

CounterMutationStage: Responsible for counter writes.

Number of tasks that were blocked due to queue saturation.

CounterMutationStage: Responsible for counter writes.

Number of queued tasks queued up on this pool.

ReadStage: Local reads run on this thread pool.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ReadStage: Local reads run on this thread pool.

Number of tasks that were blocked due to queue saturation.

ReadStage: Local reads run on this thread pool.

Number of queued tasks queued up on this pool.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that were blocked due to queue saturation.

ViewMutationStage: Responsible for materialized view writes.

Number of queued tasks queued up on this pool.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that were blocked due to queue saturation.

MemtableFlushWriter: Writes memtables to disk.

Number of queued tasks queued up on this pool.

HintsDispatcher: Performs hinted handoff.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

HintsDispatcher: Performs hinted handoff.

Number of tasks that were blocked due to queue saturation.

HintsDispatcher: Performs hinted handoff.

Number of queued tasks queued up on this pool.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that were blocked due to queue saturation.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of queued tasks queued up on this pool.

MigrationStage: Runs schema migrations.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MigrationStage: Runs schema migrations.

Number of tasks that were blocked due to queue saturation.

MigrationStage: Runs schema migrations.

Number of queued tasks queued up on this pool.

MiscStage: Miscellaneous tasks run here.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MiscStage: Miscellaneous tasks run here.

Number of tasks that were blocked due to queue saturation.

MiscStage: Miscellaneous tasks run here.

Number of queued tasks queued up on this pool.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that were blocked due to queue saturation.

SecondaryIndexManagement: Performs updates to secondary indexes.

Cassandra version has changed. Acknowledge to close the problem manually.

Zabbix has not received data for items for the last 15 minutes

• Apache Cassandra: Too many pending tasks

Info about keyspaces and tables

The number of SSTable data files accessed per read - p75.

The number of SSTable data files accessed per read - p95.

Number of tombstones scanned per read - p75.

Number of tombstones scanned per read - p95.

The time spent waiting for free memtable space either on- or off-heap - p75.

Preprocessing

• Custom multiplier: 0.001

The time spent waiting for free memtable space either on- or off-heap - p95.

Preprocessing

• Custom multiplier: 0.001

The column update time delta - p75.

Preprocessing

• Custom multiplier: 0.001

The column update time delta - p95.

Preprocessing

• Custom multiplier: 0.001

The ratio of Bloom filter false positives to total checks.

The compression ratio for all SSTables.

The key cache hit rate.

Number of "live" (in use) SSTables.

The size of the largest compacted partition.

The average size of compacted partition.

The number of pending compactions.

The disk space truly used by snapshots.

The amount of data that was compacted since (re)start.

The amount of data that was flushed since (re)start.

The number of pending flushes.

The disk space used by "live" SSTables (only counts in use files).

Disk space used.

The number of row cache hits that do not satisfy the query filter and went to disk.

The number of row cache hits.

The number of table row cache misses.

Latency read from disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

The number of client requests per second.

Preprocessing

• Change per second

Latency write to disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

The number of local write requests per second.

Preprocessing

• Change per second

Filter of discoverable key spaces

Filter to exclude discovered key spaces

-

-

-

-

Info about keyspaces and tables

Filter:

- {#JMXKEYSPACE} MATCHES_REGEX {$CASSANDRA.KEY_SPACE.MATCHES}

- {#JMXKEYSPACE} NOT_MATCHES_REGEX {$CASSANDRA.KEY_SPACE.NOT_MATCHES}

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Number of dropped regular writes messages.

Number of dropped regular reads messages.

Size, in bytes, of the on disk data size this node manages.

Number of internal exceptions caught. Under normal exceptions this should be zero.

Number of hint messages written to this node since [re]start. Includes one entry for each host to be hinted per hint.

Number of completed compactions since server [re]start.

Throughput of completed compactions since server [re]start.

Estimated number of compactions remaining to perform.

Number of commit log messages written but yet to be fsync'd.

Current size, in bytes, used by all the commit log segments.

Latency read from disk in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Latency read from disk in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Latency read from disk in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving data to clients in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving data to clients in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving data to clients in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving write requests from clients in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving write requests from clients in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving write requests from clients in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Cache capacity in bytes.

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Total number of cache entries.

All time cache hit rate.

Preprocessing:

- MULTIPLIER: 100

Rate of cache hits.

Preprocessing:

- CHANGE_PER_SECOND

Rate of cache requests.

Preprocessing:

- CHANGE_PER_SECOND

Total size of occupied cache, in bytes.

Number of clients connected to this nodes native protocol server.

Number of connected to this nodes thrift clients.

The number of client requests per second.

Preprocessing:

- CHANGE_PER_SECOND

The number of local write requests per second.

Preprocessing:

- CHANGE_PER_SECOND

Number of write requests timeouts encountered.

Number of queued tasks queued up on this pool.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that were blocked due to queue saturation.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of queued tasks queued up on this pool.

CounterMutationStage: Responsible for counter writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

CounterMutationStage: Responsible for counter writes.

Number of tasks that were blocked due to queue saturation.

CounterMutationStage: Responsible for counter writes.

Number of queued tasks queued up on this pool.

ReadStage: Local reads run on this thread pool.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ReadStage: Local reads run on this thread pool.

Number of tasks that were blocked due to queue saturation.

ReadStage: Local reads run on this thread pool.

Number of queued tasks queued up on this pool.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that were blocked due to queue saturation.

ViewMutationStage: Responsible for materialized view writes.

Number of queued tasks queued up on this pool.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that were blocked due to queue saturation.

MemtableFlushWriter: Writes memtables to disk.

Number of queued tasks queued up on this pool.

HintsDispatcher: Performs hinted handoff.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

HintsDispatcher: Performs hinted handoff.

Number of tasks that were blocked due to queue saturation.

HintsDispatcher: Performs hinted handoff.

Number of queued tasks queued up on this pool.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that were blocked due to queue saturation.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of queued tasks queued up on this pool.

MigrationStage: Runs schema migrations.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MigrationStage: Runs schema migrations.

Number of tasks that were blocked due to queue saturation.

MigrationStage: Runs schema migrations.

Number of queued tasks queued up on this pool.

MiscStage: Miscellaneous tasks run here.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MiscStage: Miscellaneous tasks run here.

Number of tasks that were blocked due to queue saturation.

MiscStage: Miscellaneous tasks run here.

Number of queued tasks queued up on this pool.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that were blocked due to queue saturation.

SecondaryIndexManagement: Performs updates to secondary indexes.

The number of SSTable data files accessed per read - p75.

The number of SSTable data files accessed per read - p95.

Number of tombstones scanned per read - p75.

Number of tombstones scanned per read - p95.

The time spent waiting for free memtable space either on- or off-heap - p75.

Preprocessing:

- MULTIPLIER: 0.001

The time spent waiting for free memtable space either on- or off-heap - p95.

Preprocessing:

- MULTIPLIER: 0.001

The column update time delta - p75.

Preprocessing:

- MULTIPLIER: 0.001

The column update time delta - p95.

Preprocessing:

- MULTIPLIER: 0.001

The ratio of Bloom filter false positives to total checks.

The compression ratio for all SSTables.

The key cache hit rate.

Number of "live" (in use) SSTables.

The size of the largest compacted partition.

The average size of compacted partition.

The number of pending compactions.

The disk space truly used by snapshots.

The amount of data that was compacted since (re)start.

The amount of data that was flushed since (re)start.

The number of pending flushes.

The disk space used by "live" SSTables (only counts in use files).

Disk space used.

The number of row cache hits that do not satisfy the query filter and went to disk.

The number of row cache hits.

The number of table row cache misses.

Latency read from disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

Latency read from disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

The number of client requests per second.

Preprocessing:

- CHANGE_PER_SECOND

Latency write to disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

The number of local write requests per second.

Preprocessing:

- CHANGE_PER_SECOND

-

Cassandra version has changed. Ack to close.

Manual close: YES

Zabbix has not received data for items for the last 15 minutes

-

-

Depends on:

- Too many pending tasks

-

Filter of discoverable key spaces

Filter to exclude discovered key spaces

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Preprocessing

• Discard unchanged with heartbeat: 1h

Number of dropped regular writes messages.

Number of dropped regular reads messages.

Size, in bytes, of the on disk data size this node manages.

Number of internal exceptions caught. Under normal exceptions this should be zero.

Number of hint messages written to this node since [re]start. Includes one entry for each host to be hinted per hint.

Number of completed compactions since server [re]start.

Throughput of completed compactions since server [re]start.

Estimated number of compactions remaining to perform.

Number of commit log messages written but yet to be fsync'd.

Current size, in bytes, used by all the commit log segments.

Latency read from disk in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Total latency serving data to clients in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - median.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - p75.

Preprocessing

• Custom multiplier: 0.001

Total latency serving write requests from clients in milliseconds - p95.

Preprocessing

• Custom multiplier: 0.001

Cache capacity in bytes.

Preprocessing

• Discard unchanged with heartbeat: 1h

Total number of cache entries.

All time cache hit rate.

Preprocessing

• Custom multiplier: 100

Rate of cache hits.

Preprocessing

• Change per second

Rate of cache requests.

Preprocessing

• Change per second

Total size of occupied cache, in bytes.

Number of clients connected to this nodes native protocol server.

Number of connected to this nodes thrift clients.

The number of client requests per second.

Preprocessing

• Change per second

The number of local write requests per second.

Preprocessing

• Change per second

Number of write requests timeouts encountered.

Number of queued tasks queued up on this pool.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that were blocked due to queue saturation.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of queued tasks queued up on this pool.

CounterMutationStage: Responsible for counter writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

CounterMutationStage: Responsible for counter writes.

Number of tasks that were blocked due to queue saturation.

CounterMutationStage: Responsible for counter writes.

Number of queued tasks queued up on this pool.

ReadStage: Local reads run on this thread pool.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ReadStage: Local reads run on this thread pool.

Number of tasks that were blocked due to queue saturation.

ReadStage: Local reads run on this thread pool.

Number of queued tasks queued up on this pool.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that were blocked due to queue saturation.

ViewMutationStage: Responsible for materialized view writes.

Number of queued tasks queued up on this pool.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that were blocked due to queue saturation.

MemtableFlushWriter: Writes memtables to disk.

Number of queued tasks queued up on this pool.

HintsDispatcher: Performs hinted handoff.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

HintsDispatcher: Performs hinted handoff.

Number of tasks that were blocked due to queue saturation.

HintsDispatcher: Performs hinted handoff.

Number of queued tasks queued up on this pool.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that were blocked due to queue saturation.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of queued tasks queued up on this pool.

MigrationStage: Runs schema migrations.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MigrationStage: Runs schema migrations.

Number of tasks that were blocked due to queue saturation.

MigrationStage: Runs schema migrations.

Number of queued tasks queued up on this pool.

MiscStage: Miscellaneous tasks run here.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MiscStage: Miscellaneous tasks run here.

Number of tasks that were blocked due to queue saturation.

MiscStage: Miscellaneous tasks run here.

Number of queued tasks queued up on this pool.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that were blocked due to queue saturation.

SecondaryIndexManagement: Performs updates to secondary indexes.

Cassandra version has changed. Acknowledge to close the problem manually.

Zabbix has not received data for items for the last 15 minutes

• Apache Cassandra: Too many pending tasks

Info about keyspaces and tables

The number of SSTable data files accessed per read - p75.

The number of SSTable data files accessed per read - p95.

Number of tombstones scanned per read - p75.

Number of tombstones scanned per read - p95.

The time spent waiting for free memtable space either on- or off-heap - p75.

Preprocessing

• Custom multiplier: 0.001

The time spent waiting for free memtable space either on- or off-heap - p95.

Preprocessing

• Custom multiplier: 0.001

The column update time delta - p75.

Preprocessing

• Custom multiplier: 0.001

The column update time delta - p95.

Preprocessing

• Custom multiplier: 0.001

The ratio of Bloom filter false positives to total checks.

The compression ratio for all SSTables.

The key cache hit rate.

Number of "live" (in use) SSTables.

The size of the largest compacted partition.

The average size of compacted partition.

The number of pending compactions.

The disk space truly used by snapshots.

The amount of data that was compacted since (re)start.

The amount of data that was flushed since (re)start.

The number of pending flushes.

The disk space used by "live" SSTables (only counts in use files).

Disk space used.

The number of row cache hits that do not satisfy the query filter and went to disk.

The number of row cache hits.

The number of table row cache misses.

Latency read from disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

Latency read from disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

The number of client requests per second.

Preprocessing

• Change per second

Latency write to disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

Latency write to disk in milliseconds.

Preprocessing

• Custom multiplier: 0.001

The number of local write requests per second.

Preprocessing

• Change per second

Filter of discoverable key spaces

Filter to exclude discovered key spaces

-

-

-

-

Info about keyspaces and tables

Filter:

- {#JMXKEYSPACE} MATCHES_REGEX {$CASSANDRA.KEY_SPACE.MATCHES}

- {#JMXKEYSPACE} NOT_MATCHES_REGEX {$CASSANDRA.KEY_SPACE.NOT_MATCHES}

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Number of dropped regular writes messages.

Number of dropped regular reads messages.

Size, in bytes, of the on disk data size this node manages.

Number of internal exceptions caught. Under normal exceptions this should be zero.

Number of hint messages written to this node since [re]start. Includes one entry for each host to be hinted per hint.

Number of completed compactions since server [re]start.

Throughput of completed compactions since server [re]start.

Estimated number of compactions remaining to perform.

Number of commit log messages written but yet to be fsync'd.

Current size, in bytes, used by all the commit log segments.

Latency read from disk in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Latency read from disk in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Latency read from disk in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving data to clients in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving data to clients in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving data to clients in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving write requests from clients in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving write requests from clients in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving write requests from clients in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Cache capacity in bytes.

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Total number of cache entries.

All time cache hit rate.

Preprocessing:

- MULTIPLIER: 100

Rate of cache hits.

Preprocessing:

- CHANGE_PER_SECOND

Rate of cache requests.

Preprocessing:

- CHANGE_PER_SECOND

Total size of occupied cache, in bytes.

Number of clients connected to this nodes native protocol server.

Number of connected to this nodes thrift clients.

The number of client requests per second.

Preprocessing:

- CHANGE_PER_SECOND

The number of local write requests per second.

Preprocessing:

- CHANGE_PER_SECOND

Number of write requests timeouts encountered.

Number of queued tasks queued up on this pool.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that were blocked due to queue saturation.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of queued tasks queued up on this pool.

CounterMutationStage: Responsible for counter writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

CounterMutationStage: Responsible for counter writes.

Number of tasks that were blocked due to queue saturation.

CounterMutationStage: Responsible for counter writes.

Number of queued tasks queued up on this pool.

ReadStage: Local reads run on this thread pool.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ReadStage: Local reads run on this thread pool.

Number of tasks that were blocked due to queue saturation.

ReadStage: Local reads run on this thread pool.

Number of queued tasks queued up on this pool.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that were blocked due to queue saturation.

ViewMutationStage: Responsible for materialized view writes.

Number of queued tasks queued up on this pool.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that were blocked due to queue saturation.

MemtableFlushWriter: Writes memtables to disk.

Number of queued tasks queued up on this pool.

HintsDispatcher: Performs hinted handoff.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

HintsDispatcher: Performs hinted handoff.

Number of tasks that were blocked due to queue saturation.

HintsDispatcher: Performs hinted handoff.

Number of queued tasks queued up on this pool.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that were blocked due to queue saturation.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of queued tasks queued up on this pool.

MigrationStage: Runs schema migrations.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MigrationStage: Runs schema migrations.

Number of tasks that were blocked due to queue saturation.

MigrationStage: Runs schema migrations.

Number of queued tasks queued up on this pool.

MiscStage: Misceleneous tasks run here.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MiscStage: Misceleneous tasks run here.

Number of tasks that were blocked due to queue saturation.

MiscStage: Misceleneous tasks run here.

Number of queued tasks queued up on this pool.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that were blocked due to queue saturation.

SecondaryIndexManagement: Performs updates to secondary indexes.

The number of SSTable data files accessed per read - p75.

The number of SSTable data files accessed per read - p95.

Number of tombstones scanned per read - p75.

Number of tombstones scanned per read - p95.

The time spent waiting for free memtable space either on- or off-heap - p75.

Preprocessing:

- MULTIPLIER: 0.001

The time spent waiting for free memtable space either on- or off-heap - p95.

Preprocessing:

- MULTIPLIER: 0.001

The column update time delta - p75.

Preprocessing:

- MULTIPLIER: 0.001

The column update time delta - p95.

Preprocessing:

- MULTIPLIER: 0.001

The ratio of Bloom filter false positives to total checks.

The compression ratio for all SSTables.

The key cache hit rate.

Number of "live" (in use) SSTables.

The size of the largest compacted partition.

The average size of compacted partition.

The number of pending compactions.

The disk space truly used by snapshots.

The amount of data that was compacted since (re)start.

The amount of data that was flushed since (re)start.

The number of pending flushes.

The disk space used by "live" SSTables (only counts in use files).

Disk space used.

The number of row cache hits that do not satisfy the query filter and went to disk.

The number of row cache hits.

The number of table row cache misses.

Latency read from disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

Latency read from disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

The number of client requests per second.

Preprocessing:

- CHANGE_PER_SECOND

Latency write to disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

The number of local write requests per second.

Preprocessing:

- CHANGE_PER_SECOND

-

Cassandra version has changed. Ack to close.

Manual close: YES

Zabbix has not received data for items for the last 15 minutes

-

-

Depends on:

- Too many pending tasks (over {$CASSANDRA.PENDING_TASKS.MAX.HIGH} for 15m)

-

Filter of discoverable key spaces

Filter to exclude discovered key spaces

-

-

-

-

Info about keyspaces and tables

Filter:

- A: {#JMXKEYSPACE} MATCHES_REGEX {$CASSANDRA.KEY_SPACE.MATCHES}

- B: {#JMXKEYSPACE} NOT_MATCHES_REGEX {$CASSANDRA.KEY_SPACE.NOT_MATCHES}

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

-

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Number of dropped regular writes messages.

Number of dropped regular reads messages.

Size, in bytes, of the on disk data size this node manages.

Number of internal exceptions caught. Under normal exceptions this should be zero.

Number of hint messages written to this node since [re]start. Includes one entry for each host to be hinted per hint.

Number of completed compactions since server [re]start.

Throughput of completed compactions since server [re]start.

Estimated number of compactions remaining to perform.

Number of commit log messages written but yet to be fsync'd.

Current size, in bytes, used by all the commit log segments.

Latency read from disk in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Latency read from disk in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Latency read from disk in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving data to clients in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving data to clients in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving data to clients in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving write requests from clients in milliseconds - median.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving write requests from clients in milliseconds - p75.

Preprocessing:

- MULTIPLIER: 0.001

Total latency serving write requests from clients in milliseconds - p95.

Preprocessing:

- MULTIPLIER: 0.001

Cache capacity in bytes.

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

Total number of cache entries.

All time cache hit rate.

Preprocessing:

- MULTIPLIER: 100

Rate of cache hits.

Preprocessing:

- CHANGE_PER_SECOND

Rate of cache requests.

Preprocessing:

- CHANGE_PER_SECOND

Total size of occupied cache, in bytes.

Number of clients connected to this nodes native protocol server.

Number of connected to this nodes thrift clients.

The number of client requests per second.

Preprocessing:

- CHANGE_PER_SECOND

The number of local write requests per second.

Preprocessing:

- CHANGE_PER_SECOND

Number of write requests timeouts encountered.

Number of queued tasks queued up on this pool.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of tasks that were blocked due to queue saturation.

MutationStage: Responsible for writes (exclude materialized and counter writes).

Number of queued tasks queued up on this pool.

CounterMutationStage: Responsible for counter writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

CounterMutationStage: Responsible for counter writes.

Number of tasks that were blocked due to queue saturation.

CounterMutationStage: Responsible for counter writes.

Number of queued tasks queued up on this pool.

ReadStage: Local reads run on this thread pool.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ReadStage: Local reads run on this thread pool.

Number of tasks that were blocked due to queue saturation.

ReadStage: Local reads run on this thread pool.

Number of queued tasks queued up on this pool.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

ViewMutationStage: Responsible for materialized view writes.

Number of tasks that were blocked due to queue saturation.

ViewMutationStage: Responsible for materialized view writes.

Number of queued tasks queued up on this pool.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtableFlushWriter: Writes memtables to disk.

Number of tasks that were blocked due to queue saturation.

MemtableFlushWriter: Writes memtables to disk.

Number of queued tasks queued up on this pool.

HintsDispatcher: Performs hinted handoff.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

HintsDispatcher: Performs hinted handoff.

Number of tasks that were blocked due to queue saturation.

HintsDispatcher: Performs hinted handoff.

Number of queued tasks queued up on this pool.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of tasks that were blocked due to queue saturation.

MemtablePostFlush: Cleans up commit log after memtable is written to disk.

Number of queued tasks queued up on this pool.

MigrationStage: Runs schema migrations.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MigrationStage: Runs schema migrations.

Number of tasks that were blocked due to queue saturation.

MigrationStage: Runs schema migrations.

Number of queued tasks queued up on this pool.

MiscStage: Miscellaneous tasks run here.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

MiscStage: Miscellaneous tasks run here.

Number of tasks that were blocked due to queue saturation.

MiscStage: Miscellaneous tasks run here.

Number of queued tasks queued up on this pool.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that are currently blocked due to queue saturation but on retry will become unblocked.

SecondaryIndexManagement: Performs updates to secondary indexes.

Number of tasks that were blocked due to queue saturation.

SecondaryIndexManagement: Performs updates to secondary indexes.

The number of SSTable data files accessed per read - p75.

The number of SSTable data files accessed per read - p95.

Number of tombstones scanned per read - p75.

Number of tombstones scanned per read - p95.

The time spent waiting for free memtable space either on- or off-heap - p75.

Preprocessing:

- MULTIPLIER: 0.001

The time spent waiting for free memtable space either on- or off-heap - p95.

Preprocessing:

- MULTIPLIER: 0.001

The column update time delta - p75.

Preprocessing:

- MULTIPLIER: 0.001

The column update time delta - p95.

Preprocessing:

- MULTIPLIER: 0.001

The ratio of Bloom filter false positives to total checks.

The compression ratio for all SSTables.

The key cache hit rate.

Number of "live" (in use) SSTables.

The size of the largest compacted partition.

The average size of compacted partition.

The number of pending compactions.

The disk space truly used by snapshots.

The amount of data that was compacted since (re)start.

The amount of data that was flushed since (re)start.

The number of pending flushes.

The disk space used by "live" SSTables (only counts in use files).

Disk space used.

The number of row cache hits that do not satisfy the query filter and went to disk.

The number of row cache hits.

The number of table row cache misses.

Latency read from disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

Latency read from disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

The number of client requests per second.

Preprocessing:

- CHANGE_PER_SECOND

Latency write to disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

Latency write to disk in milliseconds.

Preprocessing:

- MULTIPLIER: 0.001

The number of local write requests per second.

Preprocessing:

- CHANGE_PER_SECOND

-

Cassandra version has changed. Ack to close.

Manual close: YES

Zabbix has not received data for items for the last 15 minutes

-

-

Depends on:

- Too many pending tasks (over {$CASSANDRA.PENDING_TASKS.MAX.HIGH} for 15m)

-