[GitHub] samza pull request #422: SAMZA-1588: Add random jitter to monitor’s schedu...

[shanthoosh]

GitHub user shanthoosh opened a pull request:

    https://github.com/apache/samza/pull/422

    SAMZA-1588: Add random jitter to monitor’s scheduling interval.

    We’ve observed in LinkedIn execution environments that, all the monitors 
running on the YARN node-manager machines hitting an external service at the 
same time based upon the configured monitor scheduling interval.
    
    To eliminate unnecessary monitor execution spike and congestion caused to 
an external service at the same time, it’s essential to add a random jitter 
to the monitor scheduling interval.
    
    Random jitter will be added to monitor scheduling interval based upon a 
boolean configuration.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/shanthoosh/samza SAMZA-1588

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/samza/pull/422.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #422
    
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commit 9ff3140156546157fef3a12255beeb05c1feccac
Author: Shanthoosh Venkataraman <svenkataraman@...>
Date:   2018-02-15T20:40:12Z

    SAMZA-1588: Add random jitter to monitor’s scheduling interval.

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