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Hadoop QA commented on HDFS-7491: --------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12699303/HDFS-7491-2.patch against trunk revision 72389c7. {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 2.0.3) 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.web.TestWebHDFS Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/9601//testReport/ Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/9601//console This message is automatically generated. > Add incremental blockreport latency to DN metrics > ------------------------------------------------- > > Key: HDFS-7491 > URL: https://issues.apache.org/jira/browse/HDFS-7491 > Project: Hadoop HDFS > Issue Type: Improvement > Components: datanode > Reporter: Ming Ma > Assignee: Ming Ma > Priority: Minor > Attachments: HDFS-7491-2.patch, HDFS-7491.patch > > > In a busy cluster, IBR processing could be delayed due to NN FSNamesystem > lock and cause NN to throw NotReplicatedYetException to DFSClient and thus > increase the overall application latency. > This will be taken care of when we address the NN FSNamesystem lock > contention issue. > It is useful if we can provide IBR latency metrics from DN's point of view. -- This message was sent by Atlassian JIRA (v6.3.4#6332)