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Hadoop QA commented on HDFS-7276: --------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12676247/h7276_20141021.patch against trunk revision b294276. {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 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.TestCrcCorruption org.apache.hadoop.hdfs.web.TestWebHDFSForHA org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencing {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/8477//testReport/ Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8477//console This message is automatically generated. > Limit the number of byte arrays used by DFSOutputStream > ------------------------------------------------------- > > Key: HDFS-7276 > URL: https://issues.apache.org/jira/browse/HDFS-7276 > Project: Hadoop HDFS > Issue Type: Improvement > Components: hdfs-client > Reporter: Tsz Wo Nicholas Sze > Assignee: Tsz Wo Nicholas Sze > Attachments: h7276_20141021.patch > > > When there are a lot of DFSOutputStream's writing concurrently, the number of > outstanding packets could be large. The byte arrays created by those packets > could occupy a lot of memory. -- This message was sent by Atlassian JIRA (v6.3.4#6332)