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From "Hive QA (JIRA)" <>
Subject [jira] [Commented] (HIVE-7992) StatsRulesProcFactory should gracefully handle overflows
Date Sat, 06 Sep 2014 20:57:29 GMT


Hive QA commented on HIVE-7992:

{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 3 failed/errored test(s), 6184 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: 3 tests failed

This message is automatically generated.


> StatsRulesProcFactory should gracefully handle overflows
> --------------------------------------------------------
>                 Key: HIVE-7992
>                 URL:
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Statistics
>    Affects Versions: 0.13.1
>            Reporter: Mostafa Mokhtar
>            Assignee: Prasanth J
>         Attachments: HIVE-7992.1.patch
> When StatsRulesProcFactory overflows it sets data size to 0 and as a result the Vertex
will ask for a single task, this results in a fairly slow running query, most likely the overflow
is a result of higher than usual number of rows.
> The class should detect an overflow and set a flag when an overflow occurs, if an overflow
occurs StatsRulesProcFactory should request the maximum number of tasks for the vertex.

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