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https://issues.apache.org/jira/browse/HDFS-3696?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13423844#comment-13423844
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Hudson commented on HDFS-3696:
------------------------------
Integrated in Hadoop-Hdfs-0.23-Build #326 (See
[https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/326/])
HDFS-3696. Set chunked streaming mode in WebHdfsFileSystem write operations
to get around a Java library bug causing OutOfMemoryError. (Revision 1366293)
Result = SUCCESS
szetszwo :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1366293
Files :
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/web/WebHdfsFileSystem.java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHDFS.java
*
/hadoop/common/branches/branch-0.23/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/WebHdfsTestUtil.java
> Create files with WebHdfsFileSystem goes OOM when file size is big
> ------------------------------------------------------------------
>
> Key: HDFS-3696
> URL: https://issues.apache.org/jira/browse/HDFS-3696
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.0.0-alpha
> Reporter: Kihwal Lee
> Assignee: Tsz Wo (Nicholas), SZE
> Priority: Critical
> Fix For: 1.2.0, 0.23.3
>
> Attachments: h3696_20120724.patch, h3696_20120724_0.23.patch,
> h3696_20120724_b-1.patch
>
>
> When doing "fs -put" to a WebHdfsFileSystem (webhdfs://), the FsShell goes
> OOM if the file size is large. When I tested, 20MB files were fine, but 200MB
> didn't work.
> I also tried reading a large file by issuing "-cat" and piping to a slow sink
> in order to force buffering. The read path didn't have this problem. The
> memory consumption stayed the same regardless of progress.
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