Horton

Re: Final(?) proposal for wal_sync_method changes

Greg Smith <greg@2ndquadrant.com>

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From: Greg Smith <greg@2ndquadrant.com>
To: Josh Berkus <josh@agliodbs.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Magnus Hagander <magnus@hagander.net>, Bruce Momjian <bruce@momjian.us>, pgsql-hackers@postgresql.org
Date: 2010-12-10T02:50:56Z
Lists: pgsql-hackers 
Josh Berkus wrote:
> Did you rerun test_sync with O_DIRECT entabled, using my patch?  The
> figures you had from test_fsync earlier were without O_DIRECT.
>   

No--I was just focused on testing the changes that had already been 
committed.  The use of O_DIRECT in the server but not test_fsync could 
very well be the reason for the difference; don't know yet.  I'm trying 
to get through this CF before I start getting distracted by newer 
patches, I'll get to yours soon I hope.

-- 
Greg Smith   2ndQuadrant US    greg@2ndQuadrant.com   Baltimore, MD
PostgreSQL Training, Services and Support        www.2ndQuadrant.us
"PostgreSQL 9.0 High Performance": http://www.2ndQuadrant.com/books