| From: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
|---|---|
| To: | Torsten Zuehlsdorff <mailinglists(at)toco-domains(dot)de> |
| Cc: | Keith Fiske <keith(at)omniti(dot)com>, Matteo Beccati <php(at)beccati(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andres Freund <andres(at)anarazel(dot)de>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Marko Tiikkaja <marko(at)joh(dot)to>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>, Noah Misch <noah(at)leadboat(dot)com>, Mateusz Guzik <mjguzik(at)gmail(dot)com> |
| Subject: | Re: [HACKERS] kqueue |
| Date: | 2018-05-21 07:03:57 |
| Message-ID: | CAEepm=3-vKPDZUeJ21kpjt4Xsr0A3UaPxyJpyu6OjQC1Ffgh+Q@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Apr 11, 2018 at 1:05 PM, Thomas Munro
<thomas(dot)munro(at)enterprisedb(dot)com> wrote:
> I heard through the grapevine of some people currently investigating
> performance problems on busy FreeBSD systems, possibly related to the
> postmaster pipe. I suspect this patch might be a part of the solution
> (other patches probably needed to get maximum value out of this patch:
> reuse WaitEventSet objects in some key places, and get rid of high
> frequency PostmasterIsAlive() read() calls). The autoconf-fu in the
> last version bit-rotted so it seemed like a good time to post a
> rebased patch.
Once I knew how to get a message resent to someone who wasn't
subscribed to our mailing list at the time it was sent[1] so they
could join an existing thread. I don't know how to do that with the
new mailing list software, so I'm CC'ing Mateusz so he can share his
results on-thread. Sorry for the noise.
--
Thomas Munro
http://www.enterprisedb.com
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