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Hadoop QA commented on HDFS-6016: --------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12630994/HDFS-6016.patch against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:red}-1 tests included{color}. The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch. {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:red}-1 core tests{color}. The patch failed these unit tests in hadoop-hdfs-project/hadoop-hdfs: org.apache.hadoop.hdfs.TestFileAppend4 org.apache.hadoop.hdfs.server.blockmanagement.TestRBWBlockInvalidation org.apache.hadoop.hdfs.server.blockmanagement.TestBlockTokenWithDFS org.apache.hadoop.hdfs.TestReplaceDatanodeOnFailure {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/6232//testReport/ Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6232//console This message is automatically generated. > Update datanode replacement policy to make writes more robust > ------------------------------------------------------------- > > Key: HDFS-6016 > URL: https://issues.apache.org/jira/browse/HDFS-6016 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: datanode, ha, hdfs-client, namenode > Reporter: Kihwal Lee > Assignee: Kihwal Lee > Attachments: HDFS-6016.patch > > > As discussed in HDFS-5924, writers that are down to only one node due to node > failures can suffer if a DN does not restart in time. We do not worry about > writes that began with single replica. -- This message was sent by Atlassian JIRA (v6.1.5#6160)