Return-Path: Delivered-To: apmail-hadoop-hbase-dev-archive@locus.apache.org Received: (qmail 61421 invoked from network); 5 Apr 2008 02:18:00 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 5 Apr 2008 02:18:00 -0000 Received: (qmail 8699 invoked by uid 500); 5 Apr 2008 02:17:58 -0000 Delivered-To: apmail-hadoop-hbase-dev-archive@hadoop.apache.org Received: (qmail 8682 invoked by uid 500); 5 Apr 2008 02:17:58 -0000 Mailing-List: contact hbase-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hbase-dev@hadoop.apache.org Delivered-To: mailing list hbase-dev@hadoop.apache.org Received: (qmail 8673 invoked by uid 99); 5 Apr 2008 02:17:58 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 04 Apr 2008 19:17:58 -0700 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Sat, 05 Apr 2008 02:17:25 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 75EFC234C0BB for ; Fri, 4 Apr 2008 19:15:24 -0700 (PDT) Message-ID: <853770816.1207361724481.JavaMail.jira@brutus> Date: Fri, 4 Apr 2008 19:15:24 -0700 (PDT) From: "Jim Kellerman (JIRA)" To: hbase-dev@hadoop.apache.org Subject: [jira] Updated: (HBASE-507) In master, there are a load of places where no sleep between retries In-Reply-To: <338241724.1205389666355.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HBASE-507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Jim Kellerman updated HBASE-507: -------------------------------- Resolution: Fixed Status: Resolved (was: Patch Available) Committed to trunk. > In master, there are a load of places where no sleep between retries > -------------------------------------------------------------------- > > Key: HBASE-507 > URL: https://issues.apache.org/jira/browse/HBASE-507 > Project: Hadoop HBase > Issue Type: Bug > Affects Versions: 0.2.0 > Reporter: stack > Assignee: Jim Kellerman > Fix For: 0.2.0 > > Attachments: 507-0.1.patch, 507-trunk.patch > > > Here is an example: > {code} > 270308 2008-03-12 14:10:02,054 DEBUG org.apache.hadoop.hbase.HMaster: numberOfMetaRegions: 1, onlineMetaRegions.size(): 1 > 270309 2008-03-12 14:10:02,054 DEBUG org.apache.hadoop.hbase.HMaster: process server shutdown scanning .META.,,1 on XX.XX.XX.184:60020 HMaster > 270310 2008-03-12 14:10:02,056 DEBUG org.apache.hadoop.hbase.HMaster: process server shutdown scanning .META.,,1 on XX.XX.XX.184:60020 HMaster > 270311 2008-03-12 14:10:02,057 DEBUG org.apache.hadoop.hbase.HMaster: process server shutdown scanning .META.,,1 on XX.XX.XX.184:60020 HMaster > 270312 2008-03-12 14:10:02,059 DEBUG org.apache.hadoop.hbase.HMaster: process server shutdown scanning .META.,,1 on XX.XX.XX.184:60020 HMaster > 270313 2008-03-12 14:10:02,060 DEBUG org.apache.hadoop.hbase.HMaster: process server shutdown scanning .META.,,1 on XX.XX.XX.184:60020 HMaster > 270314 2008-03-12 14:10:02,062 WARN org.apache.hadoop.hbase.HMaster: Processing pending operations: ProcessServerShutdown of XX.XX.XX.180:60020 > 270315 org.apache.hadoop.hbase.NotServingRegionException: org.apache.hadoop.hbase.NotServingRegionException .META.,,1 > 270316 at org.apache.hadoop.hbase.HRegionServer.getRegion(HRegionServer.java:1606) > ... > {code} > Whats actually going on here is 5 retries without a wait in between (logging should include index numbering retry. Seems to be a bunch of duplicated code around retrying that we might be able to fix with a Callable. Jim Firby today suggested we do expotential backoffs in our retries. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.