| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, 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: kqueue |
| Date: | 2016-09-13 18:53:42 |
| Message-ID: | 20160913185342.ryfxbwwbjnh6acnu@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2016-09-13 14:47:08 -0400, Tom Lane wrote:
> Also I notice that the WaitEventSet thread started with a simple
> pgbench test, so I don't really buy the claim that that's not a
> way that will reach the problem.
You can reach it, but not when using 1 core:one pgbench thread:one
client connection, there need to be more connections than that. At least
that was my observation on x86 / linux.
Andres
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