Return-Path: Delivered-To: apmail-cassandra-commits-archive@www.apache.org Received: (qmail 48682 invoked from network); 10 Nov 2010 20:15:10 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 10 Nov 2010 20:15:10 -0000 Received: (qmail 29181 invoked by uid 500); 10 Nov 2010 20:15:42 -0000 Delivered-To: apmail-cassandra-commits-archive@cassandra.apache.org Received: (qmail 29062 invoked by uid 500); 10 Nov 2010 20:15:41 -0000 Mailing-List: contact commits-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@cassandra.apache.org Delivered-To: mailing list commits@cassandra.apache.org Received: (qmail 29054 invoked by uid 99); 10 Nov 2010 20:15:41 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 10 Nov 2010 20:15:41 +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; Wed, 10 Nov 2010 20:15:39 +0000 Received: from thor (localhost [127.0.0.1]) by thor.apache.org (8.13.8+Sun/8.13.8) with ESMTP id oAAKFHNB001795 for ; Wed, 10 Nov 2010 20:15:17 GMT Message-ID: <21254506.13131289420117518.JavaMail.jira@thor> Date: Wed, 10 Nov 2010 15:15:17 -0500 (EST) From: "Brandon Williams (JIRA)" To: commits@cassandra.apache.org Subject: [jira] Commented: (CASSANDRA-1719) improve read repair In-Reply-To: <12620211.87501289257690257.JavaMail.jira@thor> 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/CASSANDRA-1719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12930756#action_12930756 ] Brandon Williams commented on CASSANDRA-1719: --------------------------------------------- Appears to not work in 0.6.7 either. I got this stacktrace on the node that was missing data: ERROR 20:14:11,591 Uncaught exception in thread Thread[CACHETABLE-TIMER-3,5,main] java.lang.RuntimeException: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 at org.apache.cassandra.service.ConsistencyChecker$DataRepairHandler.callMe(ConsistencyChecker.java:186) at org.apache.cassandra.service.ConsistencyChecker$DataRepairHandler.callMe(ConsistencyChecker.java:141) at org.apache.cassandra.utils.ExpiringMap$CacheMonitor.run(ExpiringMap.java:105) at java.util.TimerThread.mainLoop(Timer.java:534) at java.util.TimerThread.run(Timer.java:484) Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0 at java.util.ArrayList.rangeCheck(ArrayList.java:571) at java.util.ArrayList.get(ArrayList.java:349) at org.apache.cassandra.service.ReadResponseResolver.resolve(ReadResponseResolver.java:131) at org.apache.cassandra.service.ReadResponseResolver.resolve(ReadResponseResolver.java:45) at org.apache.cassandra.service.ConsistencyChecker$DataRepairHandler.callMe(ConsistencyChecker.java:182) ... 4 more > improve read repair > ------------------- > > Key: CASSANDRA-1719 > URL: https://issues.apache.org/jira/browse/CASSANDRA-1719 > Project: Cassandra > Issue Type: Improvement > Components: Core > Reporter: Jonathan Ellis > Assignee: Jonathan Ellis > Priority: Minor > Fix For: 0.6.8, 0.7.0 > > Attachments: 1719.txt > > > Read repair recomputes the local digest for each replica, which is a lot of wasted CPU on large reads -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.