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Hadoop QA commented on HDFS-5274: --------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12632352/HDFS-5274-11.txt 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 4 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:red}-1 findbugs{color}. The patch appears to introduce 6 new Findbugs (version 1.3.9) warnings. {color:red}-1 release audit{color}. The applied patch generated 1 release audit warnings. {color:red}-1 core tests{color}. The patch failed these unit tests in hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs: org.apache.hadoop.tracing.TestTracing {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/6281//testReport/ Release audit warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/6281//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/6281//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6281//console This message is automatically generated. > Add Tracing to HDFS > ------------------- > > Key: HDFS-5274 > URL: https://issues.apache.org/jira/browse/HDFS-5274 > Project: Hadoop HDFS > Issue Type: New Feature > Components: datanode, namenode > Affects Versions: 2.1.1-beta > Reporter: Elliott Clark > Assignee: Elliott Clark > Attachments: HDFS-5274-0.patch, HDFS-5274-1.patch, > HDFS-5274-10.patch, HDFS-5274-11.txt, HDFS-5274-2.patch, HDFS-5274-3.patch, > HDFS-5274-4.patch, HDFS-5274-5.patch, HDFS-5274-6.patch, HDFS-5274-7.patch, > HDFS-5274-8.patch, HDFS-5274-8.patch, HDFS-5274-9.patch, Zipkin Trace > a06e941b0172ec73.png, Zipkin Trace d0f0d66b8a258a69.png, ss-5274v8-get.png, > ss-5274v8-put.png > > > Since Google's Dapper paper has shown the benefits of tracing for a large > distributed system, it seems like a good time to add tracing to HDFS. HBase > has added tracing using HTrace. I propose that the same can be done within > HDFS. -- This message was sent by Atlassian JIRA (v6.2#6252)