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Hudson commented on HDFS-4182: ------------------------------ Integrated in Hadoop-Hdfs-trunk #1227 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/1227/]) HDFS-4182. SecondaryNameNode leaks NameCache entries (bobby) (Revision 1409311) Result = FAILURE bobby : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1409311 Files : * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameCache.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestFSDirectory.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameCache.java > SecondaryNameNode leaks NameCache entries > ----------------------------------------- > > Key: HDFS-4182 > URL: https://issues.apache.org/jira/browse/HDFS-4182 > Project: Hadoop HDFS > Issue Type: Bug > Components: name-node > Affects Versions: 0.23.4, 3.0.0, 2.0.2-alpha > Reporter: Todd Lipcon > Assignee: Robert Joseph Evans > Priority: Critical > Fix For: 3.0.0, 2.0.3-alpha, 0.23.5 > > Attachments: HDFS-4182-branch-0.23.txt, HDFS-4182.txt, HDFS-4182.txt, > HDFS-4182.txt, HDFS-4182.txt > > > We recently saw an issue where a 2NN ran out of memory, even though it had a > relatively small fsimage. When we looked at the heap dump, we saw that all of > the memory had gone to entries in the NameCache. > It appears that the NameCache is staying in "initializing" mode forever, and > therefore a long running 2NN leaks entries. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira