From hdfs-issues-return-41006-apmail-hadoop-hdfs-issues-archive=hadoop.apache.org@hadoop.apache.org Fri May 11 19:15:13 2012 Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id ED497C373 for ; Fri, 11 May 2012 19:15:12 +0000 (UTC) Received: (qmail 1105 invoked by uid 500); 11 May 2012 19:15:12 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 1077 invoked by uid 500); 11 May 2012 19:15:12 -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 1068 invoked by uid 99); 11 May 2012 19:15:12 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 11 May 2012 19:15:12 +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; Fri, 11 May 2012 19:15:10 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id 7E601491F85 for ; Fri, 11 May 2012 19:14:49 +0000 (UTC) Date: Fri, 11 May 2012 19:14:49 +0000 (UTC) From: "Colin Patrick McCabe (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: <1398593917.55732.1336763689519.JavaMail.tomcat@hel.zones.apache.org> In-Reply-To: <437643778.4197.1335558050636.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Updated] (HDFS-3335) check for edit log corruption at the end of the log 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/HDFS-3335?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Colin Patrick McCabe updated HDFS-3335: --------------------------------------- Attachment: HDFS-3335.010.patch * update comments a bit > check for edit log corruption at the end of the log > --------------------------------------------------- > > Key: HDFS-3335 > URL: https://issues.apache.org/jira/browse/HDFS-3335 > Project: Hadoop HDFS > Issue Type: Improvement > Affects Versions: 0.23.0 > Reporter: Colin Patrick McCabe > Assignee: Colin Patrick McCabe > Attachments: HDFS-3335-b1.001.patch, HDFS-3335-b1.002.patch, HDFS-3335-b1.003.patch, HDFS-3335-b1.004.patch, HDFS-3335.001.patch, HDFS-3335.002.patch, HDFS-3335.003.patch, HDFS-3335.004.patch, HDFS-3335.005.patch, HDFS-3335.006.patch, HDFS-3335.007.patch, HDFS-3335.008.patch, HDFS-3335.009.patch, HDFS-3335.010.patch > > > Even after encountering an OP_INVALID, we should check the end of the edit log to make sure that it contains no more edits. > This will catch things like rare race conditions or log corruptions that would otherwise remain undetected. They will got from being silent data loss scenarios to being cases that we can detect and fix. > Using recovery mode, we can choose to ignore the end of the log if necessary. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira