Benjamin Mahler created MESOS-540:
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Summary: Executor health checking.
Key: MESOS-540
URL: https://issues.apache.org/jira/browse/MESOS-540
Project: Mesos
Issue Type: Improvement
Reporter: Benjamin Mahler
We currently do not health check running executors.
At Twitter, this has led to out-of-band health checking of executors for an
internal framework.
For the Storm framework, this has led to out-of-band health checking via
ZooKeeper. Health checking would allow Storm to use finer grained executors for
better isolation.
This also helps the Hadoop and Jenkins frameworks as well should health
checking be desired.
As for implementation, I would propose adding a call on the Executor interface:
/**
* Invoked by the ExecutorDriver to determine the health of the executor.
* When this function returns, the Executor is considered healthy.
*/
void heartbeat(ExecutorDriver* driver) = 0;
The driver can then heartbeat periodically and kill when the Executor is not
responding to heartbeats.
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