Return-Path: Delivered-To: apmail-hadoop-chukwa-dev-archive@minotaur.apache.org Received: (qmail 97284 invoked from network); 4 Jan 2010 21:59:15 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 4 Jan 2010 21:59:15 -0000 Received: (qmail 83440 invoked by uid 500); 4 Jan 2010 21:59:15 -0000 Delivered-To: apmail-hadoop-chukwa-dev-archive@hadoop.apache.org Received: (qmail 83417 invoked by uid 500); 4 Jan 2010 21:59:15 -0000 Mailing-List: contact chukwa-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: chukwa-dev@hadoop.apache.org Delivered-To: mailing list chukwa-dev@hadoop.apache.org Received: (qmail 83407 invoked by uid 99); 4 Jan 2010 21:59:15 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 04 Jan 2010 21:59:15 +0000 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; Mon, 04 Jan 2010 21:59:14 +0000 Received: from brutus.apache.org (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 757BA29A0011 for ; Mon, 4 Jan 2010 13:58:54 -0800 (PST) Message-ID: <426499983.29081262642334466.JavaMail.jira@brutus.apache.org> Date: Mon, 4 Jan 2010 21:58:54 +0000 (UTC) From: "Ari Rabkin (JIRA)" To: chukwa-dev@hadoop.apache.org Subject: [jira] Commented: (CHUKWA-433) file-per-post writer In-Reply-To: <61393823.1261367418767.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/CHUKWA-433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12796375#action_12796375 ] Ari Rabkin commented on CHUKWA-433: ----------------------------------- Did the experiment, didn't get interesting results. For my setup, the namenode was able to keep up with one file per post, and I didn't observe a latency penalty. > file-per-post writer > -------------------- > > Key: CHUKWA-433 > URL: https://issues.apache.org/jira/browse/CHUKWA-433 > Project: Hadoop Chukwa > Issue Type: New Feature > Components: data collection > Reporter: Ari Rabkin > Assignee: Ari Rabkin > Attachments: CHUKWA-433.patch > > > I want to add a writer that outputs a separate HDFS file for each post. The use case is performance testing. It's almost certainly useless for any production purpose. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.