Return-Path: Delivered-To: apmail-hadoop-hbase-issues-archive@minotaur.apache.org Received: (qmail 3409 invoked from network); 16 Apr 2010 05:25:50 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 16 Apr 2010 05:25:50 -0000 Received: (qmail 79122 invoked by uid 500); 16 Apr 2010 05:25:50 -0000 Delivered-To: apmail-hadoop-hbase-issues-archive@hadoop.apache.org Received: (qmail 78967 invoked by uid 500); 16 Apr 2010 05:25:50 -0000 Mailing-List: contact hbase-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list hbase-issues@hadoop.apache.org Received: (qmail 78956 invoked by uid 99); 16 Apr 2010 05:25:49 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 16 Apr 2010 05:25:49 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.22] (HELO thor.apache.org) (140.211.11.22) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 16 Apr 2010 05:25:47 +0000 Received: from thor (localhost [127.0.0.1]) by thor.apache.org (8.13.8+Sun/8.13.8) with ESMTP id o3G5PQET002668 for ; Fri, 16 Apr 2010 01:25:26 -0400 (EDT) Message-ID: <25055090.3221271395526056.JavaMail.jira@thor> Date: Fri, 16 Apr 2010 01:25:26 -0400 (EDT) From: "Todd Lipcon (JIRA)" To: hbase-issues@hadoop.apache.org Subject: [jira] Commented: (HBASE-2457) RS gets stuck compacting region ad infinitum 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/HBASE-2457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12857678#action_12857678 ] Todd Lipcon commented on HBASE-2457: ------------------------------------ Managed to use the log level servlet to get debug logs of the no-op compactions: 2010-04-15 22:24:05,594 WARN org.apache.hadoop.hbase.regionserver.MemStoreFlusher: Region test1,4993900000,1271390277054 has too many store files, putting it back at the end of the flush queue. 2010-04-15 22:24:05,594 DEBUG org.apache.hadoop.hbase.regionserver.CompactSplitThread: Compaction requested for region test1,4993900000,1271390277054/1736416594 because: regionserver/192.168.42.43:60020.cacheFlusher 2010-04-15 22:24:05,594 INFO org.apache.hadoop.hbase.regionserver.HRegion: Starting compaction on region test1,4993900000,1271390277054 2010-04-15 22:24:05,597 DEBUG org.apache.hadoop.hbase.regionserver.Store: Skipped compaction of 1 file; compaction size of actions: 231.5m; Skipped 7 files, size: 242232921 2010-04-15 22:24:05,598 INFO org.apache.hadoop.hbase.regionserver.HRegion: compaction completed on region test1,4993900000,1271390277054 in 0sec > RS gets stuck compacting region ad infinitum > -------------------------------------------- > > Key: HBASE-2457 > URL: https://issues.apache.org/jira/browse/HBASE-2457 > Project: Hadoop HBase > Issue Type: Bug > Affects Versions: 0.20.4 > Reporter: Todd Lipcon > Priority: Critical > Attachments: log.gz, stack > > > Testing 0.20_pre_durability@934643, I ended up in a state where one region server got stuck compacting a single region over and over again forever. This was with a special config with very low flush threshold in order to stress test flush/compact code. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira