Re: lot of MemAvailable but falling cache and raising PSI

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Am 10.09.19 um 14:57 schrieb Michal Hocko:
> On Tue 10-09-19 14:45:37, Stefan Priebe - Profihost AG wrote:
>> Hello Michal,
>>
>> ok this might take a long time. Attached you'll find a graph from a
>> fresh boot what happens over time (here 17 August to 30 August). Memory
>> Usage decreases as well as cache but slowly and only over time and days.
>>
>> So it might take 2-3 weeks running Kernel 5.3 to see what happens.
> 
> No problem. Just make sure to collect the requested data from the time
> you see the actual problem. Btw. you try my very dumb scriplets to get
> an idea of how much memory gets reclaimed due to THP.

You mean your sed and sort on top of the trace file? No i did not with
the current 5.3 kernel do you think it will show anything interesting?
Which line shows me how much memory gets reclaimed due to THP?

Stefan




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