Tom Lane wrote: > Bruce Momjian <[EMAIL PROTECTED]> writes: > > Patch applied. Thanks. > > Wait a minute. This patch changes the behavior so that > LockBufferForCleanup is applied to *every* heap page, not only the ones > where there are removable tuples. It's not hard to imagine scenarios > where that results in severe system-wide performance degradation. > Has there been any real-world testing of this idea?
I see the no-index case now: + if (nindexes) + LockBuffer(buf, BUFFER_LOCK_SHARE); + else + LockBufferForCleanup(buf); Let's see what Greg says, or revert. -- Bruce Momjian [EMAIL PROTECTED] EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. + ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
