Icinga Users, I'm running Icinga 2.7.0 on Debian 8.9 (Jessie), using the packages from the official repository.
I find that every few weeks Icinga uses up all of the available memory and sub-processes are killed by the OOM-killer repeatedly. (It balloons from an RSS of about 32M to 1GB+.) Data: 1) I haven't yet been able to strongly correlate this with any causative environmental factors. 2) When this occurs general monitoring continues but statistics are no longer written via the InfluxdbWriter. Not sure if this is cause or effect. 3) It seems to happen quite rapidly, as the final check_memory logged to InfluxDB shows 1.5 GB free, and a low memory alert is never triggered within Icinga. 4) There was a time when this problem did not exist (several months ago) but I cannot identify when specifically it started. Any suggestions on how to start debugging this issue? Unfortunately my gdb-fu is relatively weak.... Thanks, --Jered
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