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https://issues.apache.org/jira/browse/HDFS-3513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13403625#comment-13403625
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Hadoop QA commented on HDFS-3513:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12533919/HDFS-3513.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 1 new or modified test
files.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 eclipse:eclipse. The patch built with eclipse:eclipse.
-1 findbugs. The patch appears to introduce 1 new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs-httpfs.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/2720//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HDFS-Build/2720//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-hdfs-httpfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2720//console
This message is automatically generated.
> HttpFS should cache filesystems
> -------------------------------
>
> Key: HDFS-3513
> URL: https://issues.apache.org/jira/browse/HDFS-3513
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 2.0.0-alpha
> Reporter: Alejandro Abdelnur
> Assignee: Alejandro Abdelnur
> Attachments: HDFS-3513.patch, HDFS-3513.patch, HDFS-3513.patch
>
>
> HttpFS opens and closes a FileSystem instance against the backend filesystem
> (typically HDFS) on every request. The FileSystem caching is not used as it
> does not have expiration/timeout and filesystem instances in there live
> forever, for long running services like HttpFS this is not a good thing as it
> would keep connections open to the NN.
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