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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Work logged] (HIVE-21732) Configurable injection of load for LLAP task execution
Date Fri, 17 May 2019 18:38:00 GMT


ASF GitHub Bot logged work on HIVE-21732:

                Author: ASF GitHub Bot
            Created on: 17/May/19 18:37
            Start Date: 17/May/19 18:37
    Worklog Time Spent: 10m 
      Work Description: pvary commented on pull request #634: HIVE-21732: Configurable injection
of latency for LLAP task execution

 File path: common/src/java/org/apache/hadoop/hive/conf/
 @@ -627,6 +627,14 @@ private static void populateLlapDaemonVarsSet(Set<String> llapDaemonVarsSetLocal
         "internal usage only, used only in test mode. If set false, the operation logs, and
the " +
         "operation log directory will not be removed, so they can be found after the test
+    HIVE_TEST_LOAD_ENABLED("hive.test.load.enabled", false,
 Review comment:
   I am not experienced enough with HIVE_IN_TEST. What I see is that it is used widely around
Hive and I am afraid that reusing that config we modify the behavior seriously enough to invalidate
our test results. Can we be reasonably sure that it does not change anything seriously?
   I understand the desire to keep the number of config variables minimal, so I am open for
discussion. We might just use the host names to check if the load is needed - but this is
also not too elegant.
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Issue Time Tracking

    Worklog Id:     (was: 244185)
    Time Spent: 1h 40m  (was: 1.5h)

> Configurable injection of load for LLAP task execution
> ------------------------------------------------------
>                 Key: HIVE-21732
>                 URL:
>             Project: Hive
>          Issue Type: Test
>            Reporter: Peter Vary
>            Assignee: Peter Vary
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: HIVE-21732.2.patch, HIVE-21732.3.patch, HIVE-21732.4.patch, HIVE-21732.5.patch,
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
> For evaluating testing, it would be good to have a configurable way to inject latency
for LLAP tasks.
> The configuration should be able to control how much latency is injected into each daemon.

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