From: | Dave Page <dpage(at)postgresql(dot)org> |
---|---|
To: | Magnus Hagander <magnus(at)hagander(dot)net> |
Cc: | Trevor Talbot <quension(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: 8.2.3: Server crashes on Windows using Eclipse/Junit |
Date: | 2007-10-26 16:24:40 |
Message-ID: | 472214C8.4030509@postgresql.org |
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Lists: | pgsql-general pgsql-hackers |
Magnus Hagander wrote:
> Taking this one to -hackers once and for all now...
>
> Can you try the attached patch? See how many backends you can get up to.
Regression tests run just fine, and I've run multiple pgbench runs with
3 and 4 sessions of 100 connections each*, with pgAdmin monitoring
things at the same time. Saw up to 403 simultanteous connections in
pg_stat_activity, and the system remained stable and responsive, albeit
somewhat slower than normal.
So, 400 connections on a 2.33GHz MacBook Pro running XP Pro with 2GB RAM
- thats not too shabby :-)
/D
* For those that weren't peering over Magnus' or Greg's shoulder during
various IM discussions over the last few days, I've found that the ~125
connection ceiling I was hitting when running from a command prompt was
actually an as yet unsolved problem in pgbench, not the server. Multiple
pgbench sessions seem to run just fine if kept to around 100 connections
each.
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