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Re: 8.2.3: Server crashes on Windows using Eclipse/Junit

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 20:02:22
Message-ID: 472247CE.7040609@postgresql.org (view raw or flat)
Thread:
Lists: pgsql-hackers
Magnus Hagander wrote:
> Right. You need to look at VM size in *process explorer*. VM size in
> task manager has nothing to do with VM size, it's the private bytes :-S
> And there is no way to see that info from task manager, I think. PE is
> your friend.
> 
> 
> Anyway. Other than a refresher on those, I'd be interested in two other
> important parts:
> * How many threads does it reach when you have 300 active backends?
> * Is there a handle leak? meaning once your 300 backends have exited,
> does the number of handles in the process drop down to the same value it
> had before?

Without patch:

VM: 			1,322,792K
Idle threads:		6		
Peak threads:		306	
Handles at start:	576
Handles at end:		576

With patch:

VM: 			98,088K		
Idle threads:		3	
Peak threads:		7
Handles at start:	576
Handles at end:		585 (585 again after second run).

/D


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Subject: Re: 8.2.3: Server crashes on Windows using Eclipse/Junit
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