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https://issues.apache.org/jira/browse/MAPREDUCE-4562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13436691#comment-13436691
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Hudson commented on MAPREDUCE-4562:
-----------------------------------
Integrated in Hadoop-Hdfs-trunk #1137 (See
[https://builds.apache.org/job/Hadoop-Hdfs-trunk/1137/])
MAPREDUCE-4562. Support for "FileSystemCounter" legacy counter group name
for compatibility reasons is creating incorrect counter name. Contributed by
Jarek Jarcec Cecho. (Revision 1373823)
Result = FAILURE
tomwhite :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1373823
Files :
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/counters/AbstractCounters.java
*
/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapred/TestCounters.java
> Support for "FileSystemCounter" legacy counter group name for compatibility
> reasons is creating incorrect counter name
> ----------------------------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4562
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4562
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 0.23.0, 0.23.1, 2.0.0-alpha
> Reporter: Jarek Jarcec Cecho
> Assignee: Jarek Jarcec Cecho
> Fix For: 0.23.3, 2.1.0-alpha
>
> Attachments: MAPREDUCE-4562.patch, MAPREDUCE-4562.patch
>
>
> Hi Guys,
> I was investigating issue in Sqoop project(http://sqoop.apache.org/). Problem
> is that we are reporting number of written filesystem bytes back to the user
> and on Hadoop 0.23/2.x we're always getting 0. I've noticed that there was
> some refactorization in FileSystem counter related code and found
> MAPREDUCE-3542 requesting backward compatibility.
> Included patch seems to be adding counter "FileSystemCounter":
> {code:title=hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/counters/AbstractCounters.java:84}
> legacyMap.put("FileSystemCounter", FileSystemCounter.class.getName());
> {code}
> But it appears that original name is "FileSystemCounters" (Notice the plural
> "s" at the end of name):
> {code:title=src/mapred/org/apache/hadoop/mapred/Task.java:91 (0.20.2)}
> protected static final String FILESYSTEM_COUNTER_GROUP = "FileSystemCounters";
> {code}
> {code:title=src/mapred/org/apache/hadoop/mapred/Task.java:109 (1.0.3)}
> protected static final String FILESYSTEM_COUNTER_GROUP = "FileSystemCounters";
> {code}
> I therefore believe that this counter should be renamed in order to provide
> backward compatibility. I might fix this discrepancy in Sqoop, but I believe
> that other projects/users might also be affected and therefore it would be
> better to fix it in upstream.
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