[CentOS] Increase CPU usage on HV after upgrade (7.2 -> 7.3)

[Subscriber]

Hello Gianluca,

Wednesday, January 18, 2017, 3:54:15 PM, you wrote:

> In the mean time, if you have not disabled it, you should find some
> collected statistics from sysstat/sar.
> Look at the sarXX files under /var/log/sa. They should be kept for 30 day
> by default in CentOS 7.

Unfortunately, on that host such statistics is disabled.

> So you can compare cpu, mem, I/O profiles before and after the upgrade.
> If you have access to Red Hat documents you can look also here:
> https://access.redhat.com/articles/325783

> or in general some articles like this:
> https://www.blackmoreops.com/2014/06/18/sysstat-sar-examples-usage/
> and to create pdf graphics with kSar
> https://www.thomas-krenn.com/en/wiki/Linux_Performance_Analysis_using_kSar

> HIH,
> Gianluca
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> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos



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