Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 88996 invoked from network); 21 May 2008 13:58:22 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 21 May 2008 13:58:22 -0000 Received: (qmail 11126 invoked by uid 500); 21 May 2008 13:58:21 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 11100 invoked by uid 500); 21 May 2008 13:58:20 -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 11063 invoked by uid 99); 21 May 2008 13:58:20 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 21 May 2008 06:58:20 -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, 21 May 2008 13:57:34 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id AC8A5234C119 for ; Wed, 21 May 2008 06:57:55 -0700 (PDT) Message-ID: <355515963.1211378275699.JavaMail.jira@brutus> Date: Wed, 21 May 2008 06:57:55 -0700 (PDT) From: "Devaraj Das (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Created: (HADOOP-3429) Increase the buffersize for the streaming parent java process's streams MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org 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 Reporter: Devaraj Das Assignee: Amareshwari Sriramadasu Fix For: 0.18.0 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.