X-Original-To: pgsql-interfaces-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id C69B852B80 for ; Mon, 15 Aug 2005 15:26:42 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 82619-07 for ; Mon, 15 Aug 2005 18:26:41 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id DA5D952B71 for ; Mon, 15 Aug 2005 15:26:40 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.1/8.13.1) with ESMTP id j7FIQfJc011064; Mon, 15 Aug 2005 14:26:41 -0400 (EDT) To: jing han Cc: postgres interface Subject: Re: problems about updating a table and cluster this table at the same time In-reply-to: <20050815170354.49947.qmail@web53509.mail.yahoo.com> References: <20050815170354.49947.qmail@web53509.mail.yahoo.com> Comments: In-reply-to jing han message dated "Mon, 15 Aug 2005 10:03:54 -0700" Date: Mon, 15 Aug 2005 14:26:41 -0400 Message-ID: <11063.1124130401@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.006 required=5 tests=[AWL=0.006] X-Spam-Level: X-Archive-Number: 200508/30 X-Sequence-Number: 5701 jing han writes: > I found when updating a table and clusterdb cron job > happens to run at exactly the same time clustering > that table, then both updating and clustering stuck. > Database server hault. This cause my system hault. This is really hard to believe. Can you give us a repeatable test case? regards, tom lane