Benjamin Mahler created MESOS-4664:
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Summary: Add allocator metrics.
Key: MESOS-4664
URL: https://issues.apache.org/jira/browse/MESOS-4664
Project: Mesos
Issue Type: Improvement
Components: allocation
Reporter: Benjamin Mahler
Priority: Critical
There are currently no metrics that provide visibility into the allocator,
except for the event queue size. This makes monitoring an debugging allocation
behavior in a multi-framework setup difficult.
Some thoughts for initial metrics to add:
* How many allocation runs have completed? (counter)
* Current allocation breakdown: allocated / available / total (gauges)
* Current maximum shares (gauges)
* How many active filters are there for the role / framework? (gauges)
* How many frameworks are suppressing offers? (gauges)
* How long does an allocation run take? (timers)
* Maintenance related metrics:
** How many maintenance events are active? (gauges)
** How many maintenance events are scheduled but not active (gauges)
* Quota related metrics:
** How much quota is set for each role? (gauges)
** How much quota is satisfied? How much unsatisfied? (gauges)
Some of these are already exposed from the master's metrics, but we should not
assume this within the allocator.
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