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Re: Reducing stats collection overhead
- From: Bruce Momjian <bruce(at)momjian(dot)us>
- To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
- Cc: pgsql-hackers(at)postgresql(dot)org
- Subject: Re: Reducing stats collection overhead
- Date: Sun, 29 Apr 2007 06:08:18 -0400 (EDT)
- Message-id: <200704291008.l3TA8JT27139@momjian.us> <text/plain>
Tom Lane wrote: > Bruce Momjian <bruce(at)momjian(dot)us> writes: > > Yes, it seems we will have to do something for 8.3. > > Yeah, we've kind of ignored any possible overhead of the stats mechanism > for awhile, but I think we've got to face up to this if we're gonna have > it on by default. > > > I assume the method > > below would reduce frequent updates of the stats_command_string too. > > No, stats_command_string is entirely independent now. Oh, right, we used shared memory. No wonder it isn't on the TODO list anymore. ;-) -- Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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