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Re: [PERFORM] Hanging queries on dual CPU windows

This is a discussion on Re: [PERFORM] Hanging queries on dual CPU windows within the pgsql Hackers forums, part of the PostgreSQL category; --> On Sunday 12 March 2006 09:40, Magnus Hagander wrote: > Looking a my system while testing this it still ...


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  #1 (permalink)  
Old 04-12-2008, 02:35 AM
Jan de Visser
 
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Default Re: [PERFORM] Hanging queries on dual CPU windows

On Sunday 12 March 2006 09:40, Magnus Hagander wrote:
> Looking a my system while testing this it still loooked like it was
> hanging on that plac ein the code, even though I saw no problems. So I'm
> not convinced we can actually trust the stacktrace from the non-default
> threads. So I don't think this patch will actually work :-( But it's
> worth a try.


I'm afraid you're right. Hangs again

jan


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  #2 (permalink)  
Old 04-12-2008, 02:35 AM
Jan de Visser
 
Posts: n/a
Default Re: [PERFORM] Hanging queries on dual CPU windows

On Monday 13 March 2006 09:26, Jan de Visser wrote:
> On Sunday 12 March 2006 09:40, Magnus Hagander wrote:
> > Looking a my system while testing this it still loooked like it was
> > hanging on that plac ein the code, even though I saw no problems. So I'm
> > not convinced we can actually trust the stacktrace from the non-default
> > threads. So I don't think this patch will actually work :-( But it's
> > worth a try.

>
> I'm afraid you're right. Hangs again


I now have the toolchain set up, so if you want me to try stuff, please let me
know. Resolving this is important to us.

On a whim, I replaced InitializeCriticalSection with
InitializeCriticalSectionAndSpinCount, since MSDN told me that would be
better for SMP. No joy.

jan

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Â* Â* Â* Â* Â* Â* Â* Â* Baruk Khazad! Khazad ai-menu!
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