X-Original-To: pgsql-hackers-postgresql.org@postgresql.org Received: from localhost (mx1.hub.org [200.46.208.251]) by postgresql.org (Postfix) with ESMTP id B962C9FA5BA for ; Thu, 15 Jun 2006 12:57:50 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.208.251]) (amavisd-new, port 10024) with ESMTP id 16056-01 for ; Thu, 15 Jun 2006 12:57:40 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey- Received: from candle.pha.pa.us (candle.pha.pa.us [70.90.9.53]) by postgresql.org (Postfix) with ESMTP id 5C7C79F9CAA for ; Thu, 15 Jun 2006 12:57:40 -0300 (ADT) Received: (from pgman@localhost) by candle.pha.pa.us (8.11.6/8.11.6) id k5FFva918328; Thu, 15 Jun 2006 11:57:36 -0400 (EDT) From: Bruce Momjian Message-Id: <200606151557.k5FFva918328@candle.pha.pa.us> Subject: Re: Test request for Stats collector performance improvement In-Reply-To: <27745.1150381653@sss.pgh.pa.us> To: Tom Lane Date: Thu, 15 Jun 2006 11:57:36 -0400 (EDT) CC: Qingqing Zhou , pgsql-hackers@postgresql.org X-Mailer: ELM [version 2.4ME+ PL121 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200606/749 X-Sequence-Number: 84982 Tom Lane wrote: > "Qingqing Zhou" writes: > > Obviously it matches your expectation. > > Hm? I don't see any improvement there: > > > --Before patch -- > > real 0m1.149s > > real 0m1.121s > > real 0m1.128s > > > -- After patch -- > > real 0m1.275s > > real 0m4.063s > > real 0m1.259s The report is incomplete. I need three outputs: stats off stats on stats on, patched He only reported two sets of results. -- Bruce Momjian http://candle.pha.pa.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +