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https://issues.apache.org/jira/browse/HIVE-21732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16842220#comment-16842220
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slim bouguerra commented on HIVE-21732:
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At first look at the PR, In my opinion this is not really adding latency but
rather it is injecting load on the CPU by forcing the scheduling of extra
threads that does spin for a given amount of time. I think the title should be
something like load injection, or we should define what is latency and how we
are making sure that it is actually increasing it.
> Configurable injection of latency for LLAP task execution
> ---------------------------------------------------------
>
> Key: HIVE-21732
> URL: https://issues.apache.org/jira/browse/HIVE-21732
> 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, HIVE-21732.patch
>
> Time Spent: 10m
> 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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