[jira] [Commented] (HIVE-6682) nonstaged mapjoin table memory check may be broken

["Sergey Shelukhin (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-6682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13938157#comment-13938157 ] 

Sergey Shelukhin commented on HIVE-6682:
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*in

> nonstaged mapjoin table memory check may be broken
> --------------------------------------------------
>
>                 Key: HIVE-6682
>                 URL: https://issues.apache.org/jira/browse/HIVE-6682
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.13.0
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>
> We are getting the below error from task while the staged load works correctly. 
> We don't set the memory threshold so low so it seems the settings are just not handled correctly. This seems to always trigger on the first check. Given that map task might have bunch more stuff, not just the hashmap, we may also need to adjust the memory check (e.g. have separate configs).
> {noformat}
> Error: java.lang.RuntimeException: org.apache.hadoop.hive.ql.metadata.HiveException: org.apache.hadoop.hive.ql.exec.mapjoin.MapJoinMemoryExhaustionException: 2014-03-14 08:11:21	Processing rows:	200000	Hashtable size:	199999	Memory usage:	204001888	percentage:	0.197
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:195)
> 	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
> 	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:430)
> 	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)
> 	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:168)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:415)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548)
> 	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:163)
> Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: org.apache.hadoop.hive.ql.exec.mapjoin.MapJoinMemoryExhaustionException: 2014-03-14 08:11:21	Processing rows:	200000	Hashtable size:	199999	Memory usage:	204001888	percentage:	0.197
> 	at org.apache.hadoop.hive.ql.exec.mr.HashTableLoader.load(HashTableLoader.java:104)
> 	at org.apache.hadoop.hive.ql.exec.MapJoinOperator.loadHashTable(MapJoinOperator.java:150)
> 	at org.apache.hadoop.hive.ql.exec.MapJoinOperator.cleanUpInputFileChangedOp(MapJoinOperator.java:165)
> 	at org.apache.hadoop.hive.ql.exec.Operator.cleanUpInputFileChanged(Operator.java:1026)
> 	at org.apache.hadoop.hive.ql.exec.Operator.cleanUpInputFileChanged(Operator.java:1030)
> 	at org.apache.hadoop.hive.ql.exec.Operator.cleanUpInputFileChanged(Operator.java:1030)
> 	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:489)
> 	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:177)
> 	... 8 more
> Caused by: org.apache.hadoop.hive.ql.exec.mapjoin.MapJoinMemoryExhaustionException: 2014-03-14 08:11:21	Processing rows:	200000	Hashtable size:	199999	Memory usage:	204001888	percentage:	0.197
> 	at org.apache.hadoop.hive.ql.exec.mapjoin.MapJoinMemoryExhaustionHandler.checkMemoryStatus(MapJoinMemoryExhaustionHandler.java:91)
> 	at org.apache.hadoop.hive.ql.exec.HashTableSinkOperator.processOp(HashTableSinkOperator.java:248)
> 	at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:791)
> 	at org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:92)
> 	at org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask.startForward(MapredLocalTask.java:375)
> 	at org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask.startForward(MapredLocalTask.java:346)
> 	at org.apache.hadoop.hive.ql.exec.mr.HashTableLoader.loadDirectly(HashTableLoader.java:147)
> 	at org.apache.hadoop.hive.ql.exec.mr.HashTableLoader.load(HashTableLoader.java:82)
> 	... 15 more
> {noformat}



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