| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Michael Malis <michaelmalis2(at)gmail(dot)com> |
| Cc: | Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Highly Variable Planning Times |
| Date: | 2017-04-19 22:12:21 |
| Message-ID: | 20170419221221.jlzipgysi53d3s73@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2017-04-19 14:14:54 -0700, Michael Malis wrote:
> > Could you also get a profile using perf record -g? The strace isn't
> > telling us all that much.
>
> I've attached the perf.data file from `perf record -g -p
> <backend-pid>`. I'm not that familiar with perf so if there is more
> information you need let me know. This was on Ubuntu 16.04
You'd have to do a perf report > outfile.txt too, without your system we
can't analyze the perf.data.
https://wiki.postgresql.org/wiki/Profiling_with_perf
- Andres
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