Return-Path: X-Original-To: apmail-hbase-issues-archive@www.apache.org Delivered-To: apmail-hbase-issues-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 191A2E294 for ; Wed, 16 Jan 2013 03:12:21 +0000 (UTC) Received: (qmail 28066 invoked by uid 500); 16 Jan 2013 03:12:20 -0000 Delivered-To: apmail-hbase-issues-archive@hbase.apache.org Received: (qmail 27839 invoked by uid 500); 16 Jan 2013 03:12:20 -0000 Mailing-List: contact issues-help@hbase.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list issues@hbase.apache.org Received: (qmail 27726 invoked by uid 99); 16 Jan 2013 03:12:18 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 16 Jan 2013 03:12:18 +0000 Date: Wed, 16 Jan 2013 03:12:18 +0000 (UTC) From: "chunhui shen (JIRA)" To: issues@hbase.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HBASE-7213) Have HLog files for .META. and -ROOT- edits only 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/HBASE-7213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13554697#comment-13554697 ] chunhui shen commented on HBASE-7213: ------------------------------------- Ted found the failed test in https://builds.apache.org/job/HBase-TRUNK/3751/testReport/org.apache.hadoop.hbase.regionserver/TestHRegionOnCluster/testDataCorrectnessReplayingRecoveredEdits/ I think the root cause is : {code} 2013-01-15 18:55:11,132 INFO [RegionServer:1;minerva.apache.org,57481,1358276108448] regionserver.HRegionServer(1658): STOPPED: Meta HLog roller thread is no longer alive -- stop {code} >From the code: {code} this.metaHLogRoller = new MetaLogRoller(this, this); String n = Thread.currentThread().getName(); Threads.setDaemonThreadRunning(this.metaHLogRoller.getThread(), n + "MetaLogRoller", uncaughtExceptionHandler); {code} {code} if (metaHLogRoller != null && !metaHLogRoller.isAlive()) { stop("Meta HLog roller thread is no longer alive -- stop"); return false; } {code} Should we consider it is possible where metaHLogRoller != null but we haven't start this thread? Make an addendum patch. [~devaraj] Could you confirm it? > Have HLog files for .META. and -ROOT- edits only > ------------------------------------------------ > > Key: HBASE-7213 > URL: https://issues.apache.org/jira/browse/HBASE-7213 > Project: HBase > Issue Type: Improvement > Components: master, regionserver > Reporter: Devaraj Das > Assignee: Devaraj Das > Priority: Critical > Fix For: 0.96.0 > > Attachments: 7213-15.patch, 7213-2.10.patch, 7213-2.11.patch, 7213-2.12.patch, 7213-2.14.patch, 7213-2.14.patch, 7213-2.16.patch, 7213-2.4.patch, 7213-2.6.patch, 7213-2.8.patch, 7213-2.9.patch, 7213-addendum.patch, 7213-in-progress.2.2.patch, 7213-in-progress.2.patch, 7213-in-progress.patch, 7213v13.txt, TEST-org.apache.hadoop.hbase.client.TestMultiParallel.xml > > > Over on HBASE-6774, there is a discussion on separating out the edits for .META. regions from the other regions' edits w.r.t where the edits are written. This jira is to track an implementation of that. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira