Zabbix Documentation 5.2

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manual:appendix:install:timescaledb

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manual:appendix:install:timescaledb [2020/03/25 11:17]
marinagen more precised wording
manual:appendix:install:timescaledb [2020/03/25 13:54] (current)
Andrejs Tumilovics [TimescaleDB compression]
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 ^Parameter^Default^Comments^ ^Parameter^Default^Comments^
 |//Enable compression//​| Enabled | Checking or unchecking the checkbox does not activate/​deactivate compression immediately. Because compression is handled by the Housekeeper,​ the changes will take effect in up to 2 times ''​HousekeepingFrequency''​ hours (set in [[manual/​appendix/​config/​zabbix_server|zabbix_server.conf]]) \\ \\ After disabling compression,​ new chunks that fall into the compression period will not be compressed. However, all previously compressed data will stay compressed. To uncompress previously compressed chunks, follow instructions in [[https://​docs.timescale.com/​latest/​using-timescaledb/​compression|TimescaleDB]] documentation. \\ \\ When upgrading from older versions of Zabbix with TimescaleDB support, compression will not be enabled by default.| |//Enable compression//​| Enabled | Checking or unchecking the checkbox does not activate/​deactivate compression immediately. Because compression is handled by the Housekeeper,​ the changes will take effect in up to 2 times ''​HousekeepingFrequency''​ hours (set in [[manual/​appendix/​config/​zabbix_server|zabbix_server.conf]]) \\ \\ After disabling compression,​ new chunks that fall into the compression period will not be compressed. However, all previously compressed data will stay compressed. To uncompress previously compressed chunks, follow instructions in [[https://​docs.timescale.com/​latest/​using-timescaledb/​compression|TimescaleDB]] documentation. \\ \\ When upgrading from older versions of Zabbix with TimescaleDB support, compression will not be enabled by default.|
-| //Compress records older than//| 7d | This parameter cannot be less than 7 days. \\ \\ +| //Compress records older than//| 7d | This parameter cannot be less than 7 days. \\ \\ Due to immutability of compressed chunks all late data (e.g. data delayed by a proxy) that is older than this value will be discarded.| ​
-Due to immutability of compressed chunks all late data (e.g. data delayed by a proxy) that is older than this value will be discarded.| ​+