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Re: futex

From: Neil Conway <neilc(at)samurai(dot)com>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: Manfred Spraul <manfred(at)colorfullife(dot)com>,pgsql-hackers(at)postgresql(dot)org
Subject: Re: futex
Date: 2004-08-25 22:26:28
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Lists: pgsql-hackers
Josh Berkus wrote:
> I'll have to admit to having only a beginner's grasp of this stuff, but I do 
> believe that that was what the OSDL patch did.   Jan also tried a simpler 
> patch, which didn't work either.    Both Jan and Tom have expressed the 
> opinion that the only solution is to make the BufrMgrLock more granular (as 
> in, not monolithic) but this is a huge task.

It's worth noting that I did a lot of work toward that goal (making the 
BufMgrLock more granular) earlier in 2004, but unfortunately wasn't able 
to get it finished before leaving for the summer. I can't guarantee that 
the approach I took was the right one, but if anyone's interested in 
working on this area then it might save some time to start with previous 
work. I want to take another shot at doing this for 8.1, although I 
don't know right now if I'll be able to.


In response to

  • Re: futex at 2004-08-25 17:27:11 from Josh Berkus


  • Re: futex at 2004-08-25 22:34:36 from Josh Berkus

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