| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Nikolai Zhubr <n-a-zhubr(at)yandex(dot)ru> |
| Cc: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, PG-General Mailing List <pgsql-general(at)postgresql(dot)org>, Craig Ringer <craig(dot)ringer(at)2ndquadrant(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Subject: | Re: Causeless CPU load waves in backend, on windows, 9.5.5 (EDB binary). |
| Date: | 2017-02-03 19:16:40 |
| Message-ID: | 20170203191640.6s5ebxzsj7vm37xo@alap3.anarazel.de |
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| Lists: | pgsql-general |
On 2017-02-03 22:17:55 +0300, Nikolai Zhubr wrote:
> 03.02.2017 20:29, Andres Freund:
> [...]
> > > > Could you use process monitor or such to see what the process is doing
> > > > while using a lot of CPU?
> > >
> > > I'm not sure how to do this, especially considering that the process in
> > > question is running as a service?
> >
> > I don't think that stops you, if you have admin privileges.
>
> Well, profiling postgres.exe is still beyond my capability at this time
> anyway. Instead, I'll try to prepare a most simple client application
> example for testing the behaviour in question so that anyone could run it
> easily. (And while working on such an example, maybe I'll get some more
> understanding of what is actually going on here.)
I'm missing something. All you need to do is to start
processexplorer.exe and filter out other applications?
Andres
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