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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8775) MR2 distcp permits non-positive value to -bandwidth option which causes job never to complete
Date Thu, 06 Sep 2012 20:20:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8775?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13450012#comment-13450012
] 

Hadoop QA commented on HADOOP-8775:
-----------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12544100/diff2.txt
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +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 passed unit tests in hadoop-tools/hadoop-distcp.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/1417//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/1417//console

This message is automatically generated.
                
> MR2 distcp permits non-positive value to -bandwidth option which causes job never to
complete
> ---------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-8775
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8775
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha
>            Reporter: Sandy Ryza
>             Fix For: 2.2.0-alpha
>
>         Attachments: diff2.txt
>
>
> The likelihood that someone would want to enter a non-positive value for -bandwidth seems
really low. However, the job would never complete if a non-positive value was specified. It'd
just get stuck at map 100%. Luckily, a positive value would always lead to the job completing.
> {noformat}
> bash-4.1$ hadoop distcp -bandwidth 0 hdfs://c1204.hal.cloudera.com:17020/user/hdfs/in-dir
hdfs://c1204.hal.cloudera.com:17020/user/hdfs/in-dir58
> hadoop distcp -bandwidth 0 hdfs://c1204.hal.cloudera.com:17020/user/hdfs/in-dir hdfs://c1204.hal.cloudera.com:17020/user/hdfs/in-dir58
> 12/05/23 15:53:01 INFO tools.DistCp: Input Options: DistCpOptions{atomicCommit=false,
syncFolder=false, deleteMissing=false, ignoreFailures=false, maxMaps=20, sslConfigurationFile='null',
copyStrategy='uniformsiz\
> e', sourceFileListing=null, sourcePaths=[hdfs://c1204.hal.cloudera.com:17020/user/hdfs/in-dir],
targetPath=hdfs://c1204.hal.cloudera.com:17020/user/hdfs/in-dir58}
> 12/05/23 15:53:02 WARN conf.Configuration: io.sort.mb is deprecated. Instead, use mapreduce.task.io.sort.mb
> 12/05/23 15:53:02 WARN conf.Configuration: io.sort.factor is deprecated. Instead, use
mapreduce.task.io.sort.factor
> 12/05/23 15:53:02 INFO util.NativeCodeLoader: Loaded the native-hadoop library
> 12/05/23 15:53:03 INFO mapreduce.JobSubmitter: number of splits:3
> 12/05/23 15:53:04 WARN conf.Configuration: mapred.jar is deprecated. Instead, use mapreduce.job.jar
> 12/05/23 15:53:04 WARN conf.Configuration: mapred.map.tasks.speculative.execution is
deprecated. Instead, use mapreduce.map.speculative
> 12/05/23 15:53:04 WARN conf.Configuration: mapred.reduce.tasks is deprecated. Instead,
use mapreduce.job.reduces
> 12/05/23 15:53:04 WARN conf.Configuration: mapred.mapoutput.value.class is deprecated.
Instead, use mapreduce.map.output.value.class
> 12/05/23 15:53:04 WARN conf.Configuration: mapreduce.map.class is deprecated. Instead,
use mapreduce.job.map.class
> 12/05/23 15:53:04 WARN conf.Configuration: mapred.job.name is deprecated. Instead, use
mapreduce.job.name
> 12/05/23 15:53:04 WARN conf.Configuration: mapreduce.inputformat.class is deprecated.
Instead, use mapreduce.job.inputformat.class
> 12/05/23 15:53:04 WARN conf.Configuration: mapred.output.dir is deprecated. Instead,
use mapreduce.output.fileoutputformat.outputdir
> 12/05/23 15:53:04 WARN conf.Configuration: mapreduce.outputformat.class is deprecated.
Instead, use mapreduce.job.outputformat.class
> 12/05/23 15:53:04 WARN conf.Configuration: mapred.map.tasks is deprecated. Instead, use
mapreduce.job.maps
> 12/05/23 15:53:04 WARN conf.Configuration: mapred.mapoutput.key.class is deprecated.
Instead, use mapreduce.map.output.key.class
> 12/05/23 15:53:04 WARN conf.Configuration: mapred.working.dir is deprecated. Instead,
use mapreduce.job.working.dir
> 12/05/23 15:53:04 INFO mapred.ResourceMgrDelegate: Submitted application application_1337808305464_0014
to ResourceManager at c1204.hal.cloudera.com/172.29.98.195:8040
> 12/05/23 15:53:04 INFO mapreduce.Job: The url to track the job: http://auto0:8088/proxy/application_1337808305464_0014/
> 12/05/23 15:53:04 INFO tools.DistCp: DistCp job-id: job_1337808305464_0014
> 12/05/23 15:53:04 INFO mapreduce.Job: Running job: job_1337808305464_0014
> 12/05/23 15:53:09 INFO mapreduce.Job: Job job_1337808305464_0014 running in uber mode
: false
> 12/05/23 15:53:09 INFO mapreduce.Job:  map 0% reduce 0%
> 12/05/23 15:53:14 INFO mapreduce.Job:  map 33% reduce 0%
> 12/05/23 15:53:19 INFO mapreduce.Job:  map 100% reduce 0%
> {noformat}

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