[GitHub] rhtyd commented on issue #2892: sysctl: don't use swap until last resort

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rhtyd commented on issue #2892: sysctl: don't use swap until last resort
URL: https://github.com/apache/cloudstack/pull/2892#issuecomment-428901397
 
 
   @wido the `kernel.panic = 10` is already set to reboot VR faster on panic (10s).
   @resmo we already have VR process monitoring service in CloudStack that can check if a process is running or not and send alerts (spec https://cwiki.apache.org/confluence/display/CLOUDSTACK/Monitoring+VR+services), so ideally if any of the core services die an alert will be issued. With the value set at 2, VRs will be at a higher risk to get frequent OOM if the memory is not sufficient, for example the default system offering for routers is bare minimum (1cpu and 256mb ram) actually too small to be used in production (I believer most people change/configure the router/system offering based on their needs) and may hit oom frequently. Thoughts?

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