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https://issues.apache.org/jira/browse/HDFS-1787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13032487#comment-13032487
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Hadoop QA commented on HDFS-1787:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12478976/hdfs-1787.patch
against trunk revision 1102153.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 2 new or modified tests.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any 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 failed these core unit tests:
org.apache.hadoop.cli.TestHDFSCLI
org.apache.hadoop.hdfs.TestDFSShell
org.apache.hadoop.hdfs.TestDFSStorageStateRecovery
org.apache.hadoop.hdfs.TestFileConcurrentReader
org.apache.hadoop.tools.TestJMXGet
+1 contrib tests. The patch passed contrib unit tests.
+1 system test framework. The patch passed system test framework compile.
Test results:
https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/499//testReport/
Findbugs warnings:
https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/499//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/hudson/job/PreCommit-HDFS-Build/499//console
This message is automatically generated.
> "Not enough xcievers" error should propagate to client
> ------------------------------------------------------
>
> Key: HDFS-1787
> URL: https://issues.apache.org/jira/browse/HDFS-1787
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Todd Lipcon
> Assignee: Jonathan Hsieh
> Labels: newbie
> Attachments: hdfs-1787.patch
>
>
> We find that users often run into the default transceiver limits in the DN.
> Putting aside the inherent issues with xceiver threads, it would be nice if
> the "xceiver limit exceeded" error propagated to the client. Currently,
> clients simply see an EOFException which is hard to interpret, and have to go
> slogging through DN logs to find the underlying issue.
> The data transfer protocol should be extended to either have a special error
> code for "not enough xceivers" or should have some error code for generic
> errors with which a string can be attached and propagated.
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