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Hadoop QA commented on HDFS-6898: --------------------------------- {color:red}-1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12663482/HDFS-6898.03.patch 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 3 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.server.balancer.TestBalancerWithSaslDataTransfer org.apache.hadoop.security.TestRefreshUserMappings {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/7739//testReport/ Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/7739//console This message is automatically generated. > DN must reserve space for a full block when an RBW block is created > ------------------------------------------------------------------- > > Key: HDFS-6898 > URL: https://issues.apache.org/jira/browse/HDFS-6898 > Project: Hadoop HDFS > Issue Type: Bug > Components: datanode > Affects Versions: 2.5.0 > Reporter: Gopal V > Assignee: Arpit Agarwal > Attachments: HDFS-6898.01.patch, HDFS-6898.03.patch > > > DN will successfully create two RBW blocks on the same volume even if the > free space is sufficient for just one full block. > One or both block writers may subsequently get a DiskOutOfSpace exception. > This can be avoided by allocating space up front. -- This message was sent by Atlassian JIRA (v6.2#6252)