paul mackles created SPARK-23943:
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Summary: add more specific health check to MesosRestServer
Key: SPARK-23943
URL: https://issues.apache.org/jira/browse/SPARK-23943
Project: Spark
Issue Type: Improvement
Components: Deploy, Mesos
Affects Versions: 2.3.0, 2.2.1
Environment: Added a more robust health-check to MesosRestServer so
that anyone who runs MesosClusterDispatcher as a marathon app can use it to
check the health of the server:
http://mesosphere.github.io/marathon/docs/health-checks.html
Specifically, this check verifies that the MesosSchedulerDriver is still
running as we have seen certain cases where it dies (rather quietly) and the
only way to revive it is a restart. With this health check, marathon will
restart the dispatcher if the MesosSchedulerDriver stops running.
The health check lives at the url "/health" and returns a 204 when the server
is healthy and a 503 when it is not (e.g. the MesosSchedulerDriver stopped
running).
Reporter: paul mackles
Fix For: 2.4.0
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