Postgres Pro
Downloads
Home   >   mailing lists

Re: Final Thoughts for 8.3 on LWLocking and Scalability - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Final Thoughts for 8.3 on LWLocking and Scalability
Date
Msg-id 27926.1189520509@sss.pgh.pa.us
Whole thread Raw
In response to Final Thoughts for 8.3 on LWLocking and Scalability  (Simon Riggs <simon@2ndquadrant.com>)
Responses Re: Final Thoughts for 8.3 on LWLocking and Scalability
List pgsql-hackers
Tree view 
Simon Riggs <simon@2ndquadrant.com> writes:
> 1. The ProcArrayLock is acquired Exclusive-ly by only one remaining
> operation: XidCacheRemoveRunningXids(). Reducing things to that level is
> brilliant work, Florian and Tom.

It would be brilliant if it were true, but it isn't.  Better look again.
        regards, tom lane

pgsql-hackers by date:

Previous
From: "Sergey E. Koposov"
Date:
Subject: Re: What is happening on buildfarm member dugong
Next
From: "Marko Kreen"
Date:
Subject: Re: pgcrypto related backend crash on solaris 10/x86_64