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Re: Wierd context-switching issue on Xeon

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: "Magnus Naeslund(t)" <mag(at)fbab(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Joe Conway <mail(at)joeconway(dot)com>,"scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com>,Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, lutzeb(at)aeccom(dot)com,pgsql-performance(at)postgresql(dot)org, Neil Conway <neilc(at)samurai(dot)com>
Subject: Re: Wierd context-switching issue on Xeon
Date: 2004-04-26 19:20:58
Message-ID: 200404261220.58257.josh@agliodbs.com (view raw or flat)
Thread:
Lists: pgsql-performance
Magus,

> It would be interesting to see what a locking implementation ala FUTEX 
> style would give on an 2.6 kernel, as i understood it that would work 
> cross process with some work.

I'mm working on testing a FUTEX patch, but am having some trouble with it.  
Will let you know the results ....

-- 
-Josh Berkus
 Aglio Database Solutions
 San Francisco


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