Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1XECcB-0005Yb-4X for pgsql-performance@arkaria.postgresql.org; Mon, 04 Aug 2014 07:23:27 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1XECc9-0008Mo-JW for pgsql-performance@arkaria.postgresql.org; Mon, 04 Aug 2014 07:23:25 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1XECc7-0008MZ-Ey for pgsql-performance@postgresql.org; Mon, 04 Aug 2014 07:23:23 +0000 Received: from mail-pd0-x22f.google.com ([2607:f8b0:400e:c02::22f]) by magus.postgresql.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1XECc2-0005jK-Ei for pgsql-performance@postgresql.org; Mon, 04 Aug 2014 07:23:22 +0000 Received: by mail-pd0-f175.google.com with SMTP id r10so9097898pdi.6 for ; Mon, 04 Aug 2014 00:23:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:message-id:date:user-agent:mime-version:to:cc:subject :references:in-reply-to:content-type:content-transfer-encoding; bh=aVIT1IFWeXSVhRaJULLnY24il8XTSGrR0tbiu3c5UzU=; b=ubavi7m5a16IZSqUzGHuwt+uO+TQXc1GaWzb5AAZXJC7SVpbXs+daeZb3H+OjpCmKp zoXqIAqT9/V/v/WPM2EotfuxH9RReSy195+pjaIRp30VBcjKwM/LIM7HMPHeOeLQbgUC 3yepO4CZuWtn2OWsHcrDfYie/0i8KT2ZE6Wzsbq/IiiqGbI141F40rU1T3MQOBwMYwMA DL4Vqk02l1LmE/1NvT4dWI1ePcE6GuNqmVmo3z1nvq8fe9jC922vi9xEjsQ8MSBIySqF EEior+5lkoEsEJX0hJLqj9RVzQuZIwZt40Qon8vaVXPt57TGxfd54ooxIbOgyQBiovAM xWfg== X-Received: by 10.68.88.161 with SMTP id bh1mr22265110pbb.6.1407136994633; Mon, 04 Aug 2014 00:23:14 -0700 (PDT) Received: from [192.168.2.103] ([116.226.74.154]) by mx.google.com with ESMTPSA id co14sm60252859pac.43.2014.08.04.00.23.12 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 04 Aug 2014 00:23:13 -0700 (PDT) From: Rural Hunter X-Google-Original-From: Rural Hunter Message-ID: <53DF34DF.6010200@gmail.com> Date: Mon, 04 Aug 2014 15:23:11 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Tom Lane CC: "pgsql-performance@postgresql.org" Subject: Re: Very slow planning performance on partition table References: <53CFB6BC.4050606@gmail.com> <25010.1406253203@sss.pgh.pa.us> <53D26875.2080604@gmail.com> <53D51E49.102@gmail.com> <24564.1406478487@sss.pgh.pa.us> In-Reply-To: <24564.1406478487@sss.pgh.pa.us> Content-Type: text/plain; charset=gb18030; format=flowed Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -0.9 (/) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-performance Precedence: bulk Sender: pgsql-performance-owner@postgresql.org Hi Tom, Could my problem be a victim of this issue? http://postgresql.1045698.n5.nabble.com/Planner-performance-extremely-affected-by-an-hanging-transaction-20-30-times-td5771686.html is the patch mentioned in that thread applied in 9.2.9? -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance