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Hadoop QA commented on HDFS-3087: --------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12636070/HDFS-3087.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 1 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}. There were no new javadoc 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/6464//testReport/ Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6464//console This message is automatically generated. > Decomissioning on NN restart can complete without blocks being replicated > ------------------------------------------------------------------------- > > Key: HDFS-3087 > URL: https://issues.apache.org/jira/browse/HDFS-3087 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 0.23.0 > Reporter: Kihwal Lee > Priority: Critical > Attachments: HDFS-3087.patch > > > If a data node is added to the exclude list and the name node is restarted, > the decomissioning happens right away on the data node registration. At this > point the initial block report has not been sent, so the name node thinks the > node has zero blocks and the decomissioning completes very quick, without > replicating the blocks on that node. -- This message was sent by Atlassian JIRA (v6.2#6252)