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https://issues.apache.org/jira/browse/DRILL-2697?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14481630#comment-14481630
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Chris Westin commented on DRILL-2697:
-------------------------------------
Note this should speed up any tests that require pauses for synchronizing
execution lifecycle with test steps, because they wouldn't have to wait for an
arbitrary period of time, but can instead progress when ready. If we find such
tests are common, and are starting to take a lot of time, we may want to
prioritize this.
> Pause injections should pause indefinitely until signalled
> ----------------------------------------------------------
>
> Key: DRILL-2697
> URL: https://issues.apache.org/jira/browse/DRILL-2697
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Flow
> Affects Versions: 0.9.0
> Reporter: Sudheesh Katkam
> Fix For: 1.1.0
>
>
> Currently injected pauses make threads sleep for a specified time. This can
> be an enhanced to stop the thread indefinitely using a CountDownLatch. It is
> quite similar to how cancellation works.
> Tasks:
> (a) Add another message to RPC layer to signal paused remote threads to
> resume (through ControlHandler) by counting down. Complications if the thread
> has not reached the pause site yet.
> (b) Add resume signal (like ctrl-c) to sqlline
> (further enhancement: another signal to trigger pause from sqlline)
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