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Posted to mapreduce-issues@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2012/08/16 09:33:38 UTC
[jira] [Commented] (MAPREDUCE-4562) Support for "FileSystemCounter"
legacy counter group name for compatibility reasons is creating incorrect
counter name
[ https://issues.apache.org/jira/browse/MAPREDUCE-4562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13435810#comment-13435810 ]
Hadoop QA commented on MAPREDUCE-4562:
--------------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12541188/MAPREDUCE-4562.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 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 unit tests in hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core:
org.apache.hadoop.mapred.TestCounters
+1 contrib tests. The patch passed contrib unit tests.
Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2743//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2743//console
This message is automatically generated.
> 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
> Attachments: 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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