If using XO from Source - How much ram are you assigning
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So I have a backup job running, this is all fine and dandy, the question comes in how much ram should I expect to assign to XO so that the environment feels usable. Here is top utilization of node, for Xen Orchestra's service.
This VM has 12 GB of ram and 6 vCPU, and the backups are still taking quite a while to complete.
Obviously pegging the XO resources out would cause performance issues, but besides throwing literally everything I have at XO, how are others achieving backups in a timely window?
It could of course be a factor of the source/destination IOPS, I unfortunately don't have a great way to pull this metric to verify (at least that I've found).
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12GiB is far more than enough. Depending on the size of your infrastructure, it's maybe even overkill. Check https://xen-orchestra.com/docs/troubleshooting.html#memory
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@olivierlambert yeah, I bumped it to that, because at 4GB I had 20MB left while a backup operation was occurring.
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Of real RAM usage? Eg with
htop, take care of the cache too, because even if the cache is used doesn't mean it's really important. Maybe 8GiB is enough for example.
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