I wrote:
... enabling LWLOCK_STATS shows that the contention
rate on the sinval locks is now completely negligible --- one block
per thousand acquisitions on SInvalWriteLock, and less than one in
1 on SInvalReadLock. The vast majority of the LWLock contention
now comes from WALInsertLock
Greg Smith írta:
On Sun, 11 May 2008, Hans-Juergen Schoenig wrote:
we also made some simple autoconf hack to check for broken
posix_fadvise.
Because of how you did that, your patch is extremely difficult to even
test. You really should at least scan the output from diff you're
about to
On Thu, 19 Jun 2008, Zoltan Boszormenyi wrote:
This patch (revisited and ported to current CVS HEAD) is indeed using
Greg's original patch and also added another patch written by Mark Wong
that helps evicting closed XLOGs from memory faster.
Great, that will save me some trouble. I've got a