+1 for atop. Be sure to adjust the sampling interval so it suits your
needs. It'll tell you what caused the spike.
Alternatively you could probably use sysdig, but I expect that'd result in
a fair performance hit if your system is already struggling.
Micky
On 14 February 2018 at 08:15, Gunnar "N
Am 06.02.2018 um 15:31 schrieb Thomas Güttler:
>
>
> Am 05.02.2018 um 14:26 schrieb Andreas Kretschmer:
>>
>>
>> Am 05.02.2018 um 14:14 schrieb Thomas Güttler:
>>> What do you suggest to get some reliable figures?
>>
>> sar is often recommended, see
>> https://blog.2ndquadrant.com/in-the-defense
On Tue, 2018-02-06 at 15:31 +0100, Thomas Güttler wrote:
>
But one thing is still unclear. Imagine I see a peak in the chart. The peak
> was some hours ago. AFAIK sar has only the aggregated numbers.
>
> But I need to know details if I want to answer the question "Why?". The peak
> has gone
Am 05.02.2018 um 14:26 schrieb Andreas Kretschmer:
Am 05.02.2018 um 14:14 schrieb Thomas Güttler:
What do you suggest to get some reliable figures?
sar is often recommended, see
https://blog.2ndquadrant.com/in-the-defense-of-sar/.
Can you exclude other reasons like vacuum / vacuum freeze
