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Hadoop QA commented on HDFS-6581: --------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12669765/HDFS-6581.merge.04.patch against trunk revision 485c96e. {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 29 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:red}-1 javadoc{color}. The javadoc tool appears to have generated 112 warning messages. See https://builds.apache.org/job/PreCommit-HDFS-Build/8085//artifact/trunk/patchprocess/diffJavadocWarnings.txt for details. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:red}-1 findbugs{color}. The patch appears to introduce 4 new Findbugs (version 2.0.3) 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.crypto.random.TestOsSecureRandom org.apache.hadoop.ipc.TestCallQueueManager org.apache.hadoop.ipc.TestFairCallQueue The test build failed 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/8085//testReport/ Release audit warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/8085//artifact/trunk/patchprocess/patchReleaseAuditProblems.txt Findbugs warnings: https://builds.apache.org/job/PreCommit-HDFS-Build/8085//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8085//console This message is automatically generated. > Write to single replica in memory > --------------------------------- > > Key: HDFS-6581 > URL: https://issues.apache.org/jira/browse/HDFS-6581 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode > Reporter: Arpit Agarwal > Assignee: Arpit Agarwal > Attachments: HDFS-6581.merge.01.patch, HDFS-6581.merge.02.patch, > HDFS-6581.merge.03.patch, HDFS-6581.merge.04.patch, > HDFSWriteableReplicasInMemory.pdf, Test-Plan-for-HDFS-6581-Memory-Storage.pdf > > > Per discussion with the community on HDFS-5851, we will implement writing to > a single replica in DN memory via DataTransferProtocol. > This avoids some of the issues with short-circuit writes, which we can > revisit at a later time. -- This message was sent by Atlassian JIRA (v6.3.4#6332)