Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 21643 invoked from network); 28 May 2008 08:42:15 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 28 May 2008 08:42:15 -0000 Received: (qmail 85515 invoked by uid 500); 28 May 2008 08:42:13 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 85489 invoked by uid 500); 28 May 2008 08:42:13 -0000 Mailing-List: contact core-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-dev@hadoop.apache.org Received: (qmail 85382 invoked by uid 99); 28 May 2008 08:42:13 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 28 May 2008 01:42:12 -0700 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 28 May 2008 08:41:24 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 9E340234C130 for ; Wed, 28 May 2008 01:41:45 -0700 (PDT) Message-ID: <1707796045.1211964105645.JavaMail.jira@brutus> Date: Wed, 28 May 2008 01:41:45 -0700 (PDT) From: "Amareshwari Sriramadasu (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Updated: (HADOOP-3429) Increase the buffersize for the streaming parent java process's streams In-Reply-To: <355515963.1211378275699.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HADOOP-3429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Amareshwari Sriramadasu updated HADOOP-3429: -------------------------------------------- Status: Patch Available (was: Open) > Increase the buffersize for the streaming parent java process's streams > ----------------------------------------------------------------------- > > Key: HADOOP-3429 > URL: https://issues.apache.org/jira/browse/HADOOP-3429 > Project: Hadoop Core > Issue Type: Improvement > Components: contrib/streaming > Reporter: Devaraj Das > Assignee: Amareshwari Sriramadasu > Fix For: 0.18.0 > > Attachments: patch-3429.txt > > > We saw improved performance when we increased the buffersize for Pipes (HADOOP-1788). In the streaming case, the buffersize is 8K (default for BufferedOutputStream). We should set that to 128k. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.