setTSDBCacheEngineSize
Syntax
setTSDBCacheEngineSize(memSize)
Arguments
memSize is a numeric scalar (in GB). It is greater than 0 and less than maxMemSize * 0.75.
Details
Modify the capacity of the TSDB cache engine online. In a cluster, this command can
only be executed by the admin on the data node or compute node. Please make sure the
cache engine is enabled by specifying configuration parameter
TSDBCacheEngineSize before execution. You can obtain the real-time status
of the TSDB cache engine with function
getTSDBCacheEngineSize to
check if the modification takes effect online.Note:
The modified configuration will expire after the cluster is rebooted. To make it permanent, please change the configuration parameter TSDBCacheEngineSize.
Related function: getTSDBCacheEngineSize.