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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-8943) Fix memory limit check for combine nested mapjoins [Spark Branch]
Date Wed, 26 Nov 2014 23:42:12 GMT


Hive QA commented on HIVE-8943:

{color:red}Overall{color}: -1 at least one tests failed

Here are the results of testing the latest attachment:

{color:red}ERROR:{color} -1 due to 6 failed/errored test(s), 7180 tests executed
*Failed tests:*

Test results:
Console output:
Test logs:

Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 6 tests failed

This message is automatically generated.

ATTACHMENT ID: 12683931 - PreCommit-HIVE-SPARK-Build

> Fix memory limit check for combine nested mapjoins [Spark Branch]
> -----------------------------------------------------------------
>                 Key: HIVE-8943
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>    Affects Versions: spark-branch
>            Reporter: Szehon Ho
>            Assignee: Szehon Ho
>         Attachments: HIVE-8943.1-spark.patch, HIVE-8943.1-spark.patch, HIVE-8943.2-spark.patch
> Its the opposite problem of what we thought in HIVE-8701.
> SparkMapJoinOptimizer does combine nested mapjoins into one work due to removal of RS
for big-table.  So we need to enhance the check to calculate if all the MapJoins in that work
(spark-stage) will fit into the memory, otherwise it might overwhelm memory for that particular
spark executor.

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