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https://issues.apache.org/jira/browse/HDFS-5364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13803635#comment-13803635
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Hadoop QA commented on HDFS-5364:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12609964/HDFS-5364.002.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 2 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}. The javadoc tool did not generate any
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 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-common-project/hadoop-nfs hadoop-hdfs-project/hadoop-hdfs-nfs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/5269//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/5269//console
This message is automatically generated.
> Add OpenFileCtx cache
> ---------------------
>
> Key: HDFS-5364
> URL: https://issues.apache.org/jira/browse/HDFS-5364
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: nfs
> Reporter: Brandon Li
> Assignee: Brandon Li
> Attachments: HDFS-5364.001.patch, HDFS-5364.002.patch
>
>
> NFS gateway can run out of memory when the stream timeout is set to a
> relatively long period(e.g., >1 minute) and user uploads thousands of files
> in parallel. Each stream DFSClient creates a DataStreamer thread, and will
> eventually run out of memory by creating too many threads.
> NFS gateway should have a OpenFileCtx cache to limit the total opened files.
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