Chao created HIVE-9455:
--------------------------

             Summary: MapJoin task shouldn't start if HashTableSink task failed 
[Spark Branch] 
                 Key: HIVE-9455
                 URL: https://issues.apache.org/jira/browse/HIVE-9455
             Project: Hive
          Issue Type: Sub-task
    Affects Versions: spark-branch
            Reporter: Chao


While playing with {{auto_join25.q}}, I noticed that even though the task for 
hash table sink failed, HOS will still continue launch the task for map join. 
This is not the desired result. Instead, like MR, we should abandon the second 
task.

Console output:

{code}
Total jobs = 2
Launching Job 1 out of 2
In order to change the average load for a reducer (in bytes):
  set hive.exec.reducers.bytes.per.reducer=<number>
In order to limit the maximum number of reducers:
  set hive.exec.reducers.max=<number>
In order to set a constant number of reducers:
  set mapreduce.job.reduces=<number>

Query Hive on Spark job[0] stages:
0

Status: Running (Hive on Spark job[0])
Job Progress Format
CurrentTime StageId_StageAttemptId: 
SucceededTasksCount(+RunningTasksCount-FailedTasksCount)/TotalTasksCount 
[StageCost]
2015-01-23 16:18:14,604 Stage-0_0: 0/1
2015-01-23 04:18:14     Processing rows:        4       Hashtable size: 3       
Memory usage:   119199408       percentage:     0.25
2015-01-23 16:18:15,611 Stage-0_0: 0(+0,-1)/1
Status: Finished successfully in 1.07 seconds
Launching Job 2 out of 2
In order to change the average load for a reducer (in bytes):
  set hive.exec.reducers.bytes.per.reducer=<number>
In order to limit the maximum number of reducers:
  set hive.exec.reducers.max=<number>
In order to set a constant number of reducers:
  set mapreduce.job.reduces=<number>
2015-01-23 16:22:27,854 Stage-1_0: 0(+0,-1)/1
Status: Finished successfully in 1.01 seconds
Loading data to table default.dest1
Table default.dest1 stats: [numFiles=0, numRows=0, totalSize=0, rawDataSize=0]
OK
Time taken: 311.979 seconds
{code}



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