| From: | Matteo Beccati <php(at)beccati(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>, Rui DeSousa <rui(at)crazybean(dot)net>, Torsten Zuehlsdorff <mailinglists(at)toco-domains(dot)de>, Keith Fiske <keith(at)omniti(dot)com>, 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> |
| Subject: | Re: [HACKERS] kqueue |
| Date: | 2020-01-22 16:11:44 |
| Message-ID: | b9605a7f-4d1f-d794-1141-cb769e34ba47@beccati.com |
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| Lists: | pgsql-hackers |
On 22/01/2020 17:06, Tom Lane wrote:
> Matteo Beccati <php(at)beccati(dot)com> writes:
>> On 21/01/2020 02:06, Thomas Munro wrote:
>>> [1] https://www.postgresql.org/message-id/CA%2BhUKGJAC4Oqao%3DqforhNey20J8CiG2R%3DoBPqvfR0vOJrFysGw%40mail.gmail.com
>
>> I had a NetBSD 8.0 VM lying around and I gave the patch a spin on latest
>> master.
>> With the kqueue patch, a pgbench -c basically hangs the whole postgres
>> instance. Not sure if it's a kernel issue, HyperVM issue o what, but
>> when it hangs, I can't even kill -9 the postgres processes or get the VM
>> to properly shutdown. The same doesn't happen, of course, with vanilla
>> postgres.
>
> I'm a bit confused about what you are testing --- the kqueue patch
> as per this thread, or that plus the WaitLatch refactorizations in
> the other thread you point to above?
my bad, I tested the v14 patch attached to the email.
The quoted url was just above the patch name in the email client and
somehow my brain thought I was quoting the v14 patch name.
Cheers
--
Matteo Beccati
Development & Consulting - http://www.beccati.com/
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