From: | Magnus Hagander <magnus(at)hagander(dot)net> |
---|---|
To: | Florian Weimer <fw(at)deneb(dot)enyo(dot)de> |
Cc: | Trevor Talbot <quension(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Laurent Duperval <lduperval(at)yahoo(dot)com>, 'PostgreSQL' <pgsql-general(at)postgresql(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: [HACKERS] 8.2.3: Server crashes on Windows using Eclipse/Junit |
Date: | 2007-10-22 18:52:33 |
Message-ID: | 471CF171.6090101@hagander.net |
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Lists: | pgsql-general pgsql-hackers |
Florian Weimer wrote:
> * Magnus Hagander:
>
>> Oh, that's interesting. That's actually a sideeffect of us increasing
>> the stack size for the postgres.exe executable in order to work on other
>> things. By default, it burns 1MB/thread, but ours will do 4MB. Never
>> really thought of the problem that it'll run out of address space.
>> Unfortunately, that size can't be changed in the CreateThread() call -
>> only the initially committed size can be changed there.
>
> Windows XP supports the STACK_SIZE_PARAM_IS_A_RESERVATION flag, which
> apparently allows to reduce the reserved size. It might be better to do
> this the other way round, though (leave the reservation at its 1 MB
> default, and increase it only when necessary).
It does, but we still support windows 2000 as well. I think it's better
to use a different method altogether - one not using one thread per child.
//Magnus
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