Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WZ2Xk-0005V2-1a for pgsql-performance@arkaria.postgresql.org; Sat, 12 Apr 2014 18:20:44 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1WZ2Xj-00080x-9l for pgsql-performance@arkaria.postgresql.org; Sat, 12 Apr 2014 18:20:43 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WYVuG-00019Z-Ek for pgsql-performance@postgresql.org; Fri, 11 Apr 2014 07:29:48 +0000 Received: from sam.nabble.com ([216.139.236.26]) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1WYVuD-0004h4-MC for pgsql-performance@postgresql.org; Fri, 11 Apr 2014 07:29:48 +0000 Received: from [192.168.236.26] (helo=sam.nabble.com) by sam.nabble.com with esmtp (Exim 4.72) (envelope-from ) id 1WYVuA-00022x-Je for pgsql-performance@postgresql.org; Fri, 11 Apr 2014 00:29:42 -0700 Date: Fri, 11 Apr 2014 00:29:42 -0700 (PDT) From: Cora Ma To: pgsql-performance@postgresql.org Message-ID: In-Reply-To: <20140407.224610.2291121243020563456.t-ishii@sraoss.co.jp> References: <1396254699987-5797953.post@n5.nabble.com> <20140407.224610.2291121243020563456.t-ishii@sraoss.co.jp> Subject: Re: performance degradation after launching postgres cluster using pgpool-II MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_242151_22174154.1397201382603" X-Pg-Spam-Score: 0.1 (/) 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 ------=_Part_242151_22174154.1397201382603 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Feeling a little sorry about replying you later. Then, I want to say so many thanks for this advice, cause we pointed our jobserver to the master directly and then the performance issues resolved. My client is so curious that why pgpool doesn't support so welcome platform like java. Hoping it can get improved in the following versions. So, besides pgpool, do you have any other solutions for postgresql cluster? Thanks a lot,Cora Date: Mon, 7 Apr 2014 06:47:13 -0700 From: ml-node+s1045698n5798972h16@n5.nabble.com To: machengcheng001@hotmail.com Subject: Re: performance degradation after launching postgres cluster using pgpool-II > Before starting the cluster, one bulk updates through java code would cost > about 1 hour to finish, but then it would take twice amount of time. pgpool-II is not very good at handling extended protocol (mostly used in Java). If you need to execute large updates, you'd better to connect to PostgreSQL directly. Note that there's no problem that some sessions connect via pgpool-II, while others directly connect PostgreSQL. Best regards, -- Tatsuo Ishii SRA OSS, Inc. Japan English: http://www.sraoss.co.jp/index_en.php Japanese: http://www.sraoss.co.jp -- Sent via pgsql-performance mailing list ([hidden email]) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance If you reply to this email, your message will be added to the discussion below: http://postgresql.1045698.n5.nabble.com/performance-degradation-after-launching-postgres-cluster-using-pgpool-II-tp5797953p5798972.html To unsubscribe from performance degradation after launching postgres cluster using pgpool-II, click here. NAML -- View this message in context: http://postgresql.1045698.n5.nabble.com/performance-degradation-after-launching-postgres-cluster-using-pgpool-II-tp5797953p5799639.html Sent from the PostgreSQL - performance mailing list archive at Nabble.com. ------=_Part_242151_22174154.1397201382603 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit
Feeling a little sorry about replying you later.

Then, I want to say so many thanks for this advice, cause we pointed our jobserver to the master directly and then the performance issues resolved. My client is so curious that why pgpool doesn't support so welcome platform like java. Hoping it can get improved in the following versions.

So, besides pgpool, do you have any other solutions for postgresql cluster?

Thanks a lot,
Cora

Date: Mon, 7 Apr 2014 06:47:13 -0700
From: [hidden email]
To: [hidden email]
Subject: Re: performance degradation after launching postgres cluster using pgpool-II

> Before starting the cluster, one bulk updates through java code would cost
> about 1 hour to finish, but then it would take twice amount of time.

pgpool-II is not very good at handling extended protocol (mostly used
in Java). If you need to execute large updates, you'd better to
connect to PostgreSQL directly. Note that there's no problem that some
sessions connect via pgpool-II, while others directly connect
PostgreSQL.

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp


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