Return-Path: Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: (qmail 35177 invoked from network); 29 Apr 2010 09:56:16 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 29 Apr 2010 09:56:16 -0000 Received: (qmail 32210 invoked by uid 500); 29 Apr 2010 09:56:16 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 32120 invoked by uid 500); 29 Apr 2010 09:56:16 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 32112 invoked by uid 99); 29 Apr 2010 09:56:15 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 29 Apr 2010 09:56:15 +0000 X-ASF-Spam-Status: No, hits=-1365.2 required=10.0 tests=ALL_TRUSTED,AWL X-Spam-Check-By: apache.org Received: from [140.211.11.22] (HELO thor.apache.org) (140.211.11.22) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 29 Apr 2010 09:56:14 +0000 Received: from thor (localhost [127.0.0.1]) by thor.apache.org (8.13.8+Sun/8.13.8) with ESMTP id o3T9tsbZ025592 for ; Thu, 29 Apr 2010 09:55:54 GMT Message-ID: <31923739.2271272534954514.JavaMail.jira@thor> Date: Thu, 29 Apr 2010 05:55:54 -0400 (EDT) From: "Jeff Hammerbacher (JIRA)" To: hdfs-issues@hadoop.apache.org Subject: [jira] Created: (HDFS-1120) Make DataNode's block-to-device placement policy pluggable MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Make DataNode's block-to-device placement policy pluggable ---------------------------------------------------------- Key: HDFS-1120 URL: https://issues.apache.org/jira/browse/HDFS-1120 Project: Hadoop HDFS Issue Type: Improvement Components: data-node Reporter: Jeff Hammerbacher As discussed on the mailing list, as the number of disk drives per server increases, it would be useful to allow the DataNode's policy for new block placement to grow in sophistication from the current round-robin strategy. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.