From hdfs-issues-return-16580-apmail-hadoop-hdfs-issues-archive=hadoop.apache.org@hadoop.apache.org Sat Apr 02 23:05:46 2011 Return-Path: Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: (qmail 38324 invoked from network); 2 Apr 2011 23:05:45 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 2 Apr 2011 23:05:45 -0000 Received: (qmail 90023 invoked by uid 500); 2 Apr 2011 23:05:45 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 89992 invoked by uid 500); 2 Apr 2011 23:05:45 -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 89984 invoked by uid 99); 2 Apr 2011 23:05:45 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 02 Apr 2011 23:05:45 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=5.0 tests=ALL_TRUSTED,T_RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 02 Apr 2011 23:05:43 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id B77F28F622 for ; Sat, 2 Apr 2011 23:05:05 +0000 (UTC) Date: Sat, 2 Apr 2011 23:05:05 +0000 (UTC) From: "Hairong Kuang (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: <1475424925.30829.1301785505748.JavaMail.tomcat@hel.zones.apache.org> In-Reply-To: <358551071.29457.1301691906126.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Commented] (HDFS-1800) Extend image checksumming to function with multiple fsimage files MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HDFS-1800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13015086#comment-13015086 ] Hairong Kuang commented on HDFS-1800: ------------------------------------- Could we put checksum as part of the image file name? > Extend image checksumming to function with multiple fsimage files > ----------------------------------------------------------------- > > Key: HDFS-1800 > URL: https://issues.apache.org/jira/browse/HDFS-1800 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: name-node > Affects Versions: Edit log branch (HDFS-1073) > Reporter: Todd Lipcon > Assignee: Todd Lipcon > Fix For: Edit log branch (HDFS-1073) > > Attachments: hdfs-1800-prelim.txt > > > HDFS-903 added the MD5 checksum of the fsimage to the VERSION file in each image directory. This allows it to verify that the FSImage didn't get corrupted or accidentally replaced on disk. > With HDFS-1073, there may be multiple fsimage_N files in a storage directory corresponding to different checkpoints. So having a single MD5 in the VERSION file won't suffice. Instead we need to store an MD5 per image file. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira