Return-Path: Delivered-To: apmail-hadoop-hbase-dev-archive@locus.apache.org Received: (qmail 9833 invoked from network); 13 Mar 2008 06:29:23 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 13 Mar 2008 06:29:23 -0000 Received: (qmail 1076 invoked by uid 500); 13 Mar 2008 06:29:20 -0000 Delivered-To: apmail-hadoop-hbase-dev-archive@hadoop.apache.org Received: (qmail 1067 invoked by uid 500); 13 Mar 2008 06:29:20 -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 1058 invoked by uid 99); 13 Mar 2008 06:29:20 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 12 Mar 2008 23:29:20 -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; Thu, 13 Mar 2008 06:28:38 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 5710C234C095 for ; Wed, 12 Mar 2008 23:27:46 -0700 (PDT) Message-ID: <338241724.1205389666355.JavaMail.jira@brutus> Date: Wed, 12 Mar 2008 23:27:46 -0700 (PDT) From: "stack (JIRA)" To: hbase-dev@hadoop.apache.org Subject: [jira] Created: (HBASE-507) In master, there are a load of places where no sleep between retries MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org 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: 0.1.0, 0.2.0, 0.16.0 Reporter: stack 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.