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From "Ben Mahler" <>
Subject Re: Review Request 13605: Updated the monitoring endpoint to return instantaneous values.
Date Tue, 14 Jan 2014 07:09:06 GMT

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(Updated Jan. 14, 2014, 7:09 a.m.)

Review request for mesos, Benjamin Hindman and Jie Yu.


Rebased. Will be pairing with Ross tomorrow to update

Repository: mesos-git


This alters statistics.json to return instantaneous resource consumption information.

Previously, one could receive information that is stale by up to 5 seconds (or the RESOURCE_MONITORING_INTERVAL).
This allows one to build Top like utilities using the monitoring endpoint, this is done by
the subsequent change in this chain of reviews.

Diffs (updated)

  src/slave/monitor.hpp 52568ad8ec566f7cf36c249c76d798d44eacb578 
  src/slave/monitor.cpp a931c4f35a8793c66ee03de82f0e0a21b92f8ffa 
  src/tests/monitor_tests.cpp a341893b16fbe502fa32704fcd1f3f85519ad253 



Split the monitoring tests into two tests:

1. Tests that verify the periodic collection is working correctly.
2. Tests that use the instantaneous statistics.json endpoint.


Ben Mahler

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