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Posted to common-issues@hadoop.apache.org by "Wei-Chiu Chuang (JIRA)" <ji...@apache.org> on 2017/08/20 18:37:02 UTC
[jira] [Commented] (HADOOP-12502) SetReplication OutOfMemoryError
[ https://issues.apache.org/jira/browse/HADOOP-12502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16134525#comment-16134525 ]
Wei-Chiu Chuang commented on HADOOP-12502:
------------------------------------------
Hi [~vinayrpet] thanks for the patch!
I saw a similar OOM error when I do hdfs dfs -chmod. So I assume many other commands are prone to this bug too. Haven't reviewed the patch yet, but should we make sure the fix considers other commands as well?
> SetReplication OutOfMemoryError
> -------------------------------
>
> Key: HADOOP-12502
> URL: https://issues.apache.org/jira/browse/HADOOP-12502
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.3.0
> Reporter: Philipp Schuegerl
> Assignee: Vinayakumar B
> Attachments: HADOOP-12502-01.patch, HADOOP-12502-02.patch, HADOOP-12502-03.patch, HADOOP-12502-04.patch, HADOOP-12502-05.patch, HADOOP-12502-06.patch
>
>
> Setting the replication of a HDFS folder recursively can run out of memory. E.g. with a large /var/log directory:
> hdfs dfs -setrep -R -w 1 /var/log
> Exception in thread "main" java.lang.OutOfMemoryError: GC overhead limit exceeded
> at java.util.Arrays.copyOfRange(Arrays.java:2694)
> at java.lang.String.<init>(String.java:203)
> at java.lang.String.substring(String.java:1913)
> at java.net.URI$Parser.substring(URI.java:2850)
> at java.net.URI$Parser.parse(URI.java:3046)
> at java.net.URI.<init>(URI.java:753)
> at org.apache.hadoop.fs.Path.initialize(Path.java:203)
> at org.apache.hadoop.fs.Path.<init>(Path.java:116)
> at org.apache.hadoop.fs.Path.<init>(Path.java:94)
> at org.apache.hadoop.hdfs.protocol.HdfsFileStatus.getFullPath(HdfsFileStatus.java:222)
> at org.apache.hadoop.hdfs.protocol.HdfsFileStatus.makeQualified(HdfsFileStatus.java:246)
> at org.apache.hadoop.hdfs.DistributedFileSystem.listStatusInternal(DistributedFileSystem.java:689)
> at org.apache.hadoop.hdfs.DistributedFileSystem.access$600(DistributedFileSystem.java:102)
> at org.apache.hadoop.hdfs.DistributedFileSystem$14.doCall(DistributedFileSystem.java:712)
> at org.apache.hadoop.hdfs.DistributedFileSystem$14.doCall(DistributedFileSystem.java:708)
> at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
> at org.apache.hadoop.hdfs.DistributedFileSystem.listStatus(DistributedFileSystem.java:708)
> at org.apache.hadoop.fs.shell.PathData.getDirectoryContents(PathData.java:268)
> at org.apache.hadoop.fs.shell.Command.recursePath(Command.java:347)
> at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:308)
> at org.apache.hadoop.fs.shell.Command.recursePath(Command.java:347)
> at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:308)
> at org.apache.hadoop.fs.shell.Command.recursePath(Command.java:347)
> at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:308)
> at org.apache.hadoop.fs.shell.Command.recursePath(Command.java:347)
> at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:308)
> at org.apache.hadoop.fs.shell.Command.recursePath(Command.java:347)
> at org.apache.hadoop.fs.shell.Command.processPaths(Command.java:308)
> at org.apache.hadoop.fs.shell.Command.processPathArgument(Command.java:278)
> at org.apache.hadoop.fs.shell.Command.processArgument(Command.java:260)
> at org.apache.hadoop.fs.shell.Command.processArguments(Command.java:244)
> at org.apache.hadoop.fs.shell.SetReplication.processArguments(SetReplication.java:76)
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