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Posted to dev@hive.apache.org by "Sushanth Sowmyan (JIRA)" <ji...@apache.org> on 2014/03/26 03:21:15 UTC
[jira] [Updated] (HIVE-6521) WebHCat cannot fetch correct
percentComplete for Hive jobs
[ https://issues.apache.org/jira/browse/HIVE-6521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sushanth Sowmyan updated HIVE-6521:
-----------------------------------
Resolution: Fixed
Fix Version/s: 0.14.0
Status: Resolved (was: Patch Available)
> WebHCat cannot fetch correct percentComplete for Hive jobs
> ----------------------------------------------------------
>
> Key: HIVE-6521
> URL: https://issues.apache.org/jira/browse/HIVE-6521
> Project: Hive
> Issue Type: Bug
> Components: WebHCat
> Affects Versions: 0.13.0
> Reporter: Deepesh Khandelwal
> Assignee: Deepesh Khandelwal
> Fix For: 0.14.0
>
> Attachments: HIVE-6521.2.patch, HIVE-6521.patch
>
>
> WebHCat E2E test TestHive_7 failed because percentComplete wasn't returned as expected.
> {noformat}
> check_job_percent_complete failed. got percentComplete "map 0% reduce 0%", expected "map 100% reduce 100%"
> {noformat}
> So, there are two problems here.
> # The log parsing is broken for status of percentComplete. In the stderr of the job we see:
> {noformat}
> Launching Job 1 out of 1
> Number of reduce tasks is set to 0 since there's no reduce operator
> Starting Job = job_1393486488858_0691, Tracking URL = http://ambari-sec-1393480847-others-2-4.cs1cloud.internal:8088/proxy/application_1393486488858_0691/
> Kill Command = /usr/lib/hadoop/bin/hadoop job -kill job_1393486488858_0691
> Hadoop job information for Stage-1: number of mappers: 1; number of reducers: 0
> 2014-02-27 18:40:50,166 Stage-1 map = 0%, reduce = 0%
> 2014-02-27 18:40:56,599 Stage-1 map = 100%, reduce = 0%, Cumulative CPU 0.87 sec
> 2014-02-27 18:40:57,656 Stage-1 map = 100%, reduce = 0%, Cumulative CPU 0.87 sec
> 2014-02-27 18:40:58,706 Stage-1 map = 100%, reduce = 0%, Cumulative CPU 0.87 sec
> MapReduce Total cumulative CPU time: 870 msec
> Ended Job = job_1393486488858_0691
> MapReduce Jobs Launched:
> Job 0: Map: 1 Cumulative CPU: 0.87 sec HDFS Read: 305 HDFS Write: 0 SUCCESS
> Total MapReduce CPU Time Spent: 870 msec
> {noformat}
> The assumption in the code is that the line containing the percent status will end after "reduce = \d+%" but that fails with the above.
> # The last status from Hive job is "map = 100%, reduce = 0%" instead of expected "map = 100%, reduce = 100%".
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