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Hadoop QA commented on HDFS-5031: --------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12594172/HDFS-5031.patch against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 2 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. The javadoc tool did not generate any warning messages. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 1.3.9) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 core tests{color}. The patch passed unit tests in hadoop-hdfs-project/hadoop-hdfs. {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/4731//testReport/ Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4731//console This message is automatically generated. > BlockScanner scans the block multiple times and on restart scans everything > --------------------------------------------------------------------------- > > Key: HDFS-5031 > URL: https://issues.apache.org/jira/browse/HDFS-5031 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode > Affects Versions: 3.0.0, 2.1.0-beta > Reporter: Vinay > Assignee: Vinay > Priority: Blocker > Attachments: HDFS-5031.patch > > > BlockScanner scans the block twice, also on restart of datanode scans > everything. > Steps: > 1. Write blocks with interval of more than 5 seconds. write new block on > completion of scan for written block. > Each time datanode scans new block, it also scans, previous block which is > already scanned. > Now after restart, datanode scans all blocks again. -- 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