Zabbix Documentation 5.0

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manual:concepts:server

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manual:concepts:server [2018/11/08 13:00]
martins-v removing duplicated info
manual:concepts:server [2020/03/06 13:25]
marinagen snmp_chache_reload description slightly edited
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 ^Option^Description^Target^ ^Option^Description^Target^
 |config_cache_reload|Reload configuration cache. Ignored if cache is being currently loaded.| | |config_cache_reload|Reload configuration cache. Ignored if cache is being currently loaded.| |
 +|snmp_cache_reload|Reload SNMP cache, clear the SNMP properties (engine time, engine boots, engine id, credentials) for all hosts.| |
 |housekeeper_execute|Start the housekeeping procedure. Ignored if the housekeeping procedure is currently in progress.| | |housekeeper_execute|Start the housekeeping procedure. Ignored if the housekeeping procedure is currently in progress.| |
-|log_level_increase[=<​**target**>​]|Increase log level, affects all processes if target is not specified.|**process type** - All processes of specified type (e.g., poller)\\ See all [[#​server_process_types|server_process_types]].\\ **process type,N** - Process type and number (e.g., poller,3)\\ **pid** - Process identifier (1 to 65535). For larger values specify target as '​process type,​N'​. ​ |+|log_level_increase[=<​**target**>​]|Increase log level, affects all processes if target is not specified.|**process type** - All processes of specified type (e.g., poller)\\ See all [[#​server_process_types|server process types]].\\ **process type,N** - Process type and number (e.g., poller,3)\\ **pid** - Process identifier (1 to 65535). For larger values specify target as '​process type,​N'​. ​ |
 |log_level_decrease[=<​**target**>​]|Decrease log level, affects all processes if target is not specified.|:::​| |log_level_decrease[=<​**target**>​]|Decrease log level, affects all processes if target is not specified.|:::​|
  
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   shell> zabbix_server -c /​usr/​local/​etc/​zabbix_server.conf -R config_cache_reload   shell> zabbix_server -c /​usr/​local/​etc/​zabbix_server.conf -R config_cache_reload
   ​   ​
 +Example of using runtime control to reload the SNMP cache:
 +
 +  shell> zabbix_server -R snmp_cache_reload  ​
   ​   ​
 Example of using runtime control to trigger execution of housekeeper:​ Example of using runtime control to trigger execution of housekeeper:​
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   * ''​ipmi poller''​ - poller for IPMI checks   * ''​ipmi poller''​ - poller for IPMI checks
   * ''​java poller''​ - poller for Java checks   * ''​java poller''​ - poller for Java checks
 +  * ''​lld manager''​ - manager process of low-level discovery tasks
 +  * ''​lld worker''​ - worker process of low-level discovery tasks
   * ''​poller''​ - normal poller for passive checks   * ''​poller''​ - normal poller for passive checks
   * ''​preprocessing manager''​ - manager of preprocessing tasks   * ''​preprocessing manager''​ - manager of preprocessing tasks
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   * ''​unreachable poller''​ - poller for unreachable devices   * ''​unreachable poller''​ - poller for unreachable devices
   * ''​vmware collector''​ - VMware data collector responsible for data gathering from VMware services   * ''​vmware collector''​ - VMware data collector responsible for data gathering from VMware services
 +
 +The server log file can be used to observe these process types.
  
 Various types of Zabbix server processes can be monitored using the **zabbix[process,<​type>,<​mode>,<​state>​]** internal [[:​manual/​config/​items/​itemtypes/​internal|item]]. Various types of Zabbix server processes can be monitored using the **zabbix[process,<​type>,<​mode>,<​state>​]** internal [[:​manual/​config/​items/​itemtypes/​internal|item]].