caofangkun created STORM-532:
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Summary: Supervisor should restart worker immediately, if the
worker process does not exist any more
Key: STORM-532
URL: https://issues.apache.org/jira/browse/STORM-532
Project: Apache Storm
Issue Type: Improvement
Affects Versions: 0.10.0
Reporter: caofangkun
Priority: Minor
For now
if the worker process does not exist any more
Supervisor will have to wait a few seconds for worker heartbeart timeout and
restart worker .
If supervisor knows the worker processid and check if the process exists in
the sync-processes thread ,may need less time to restart worker.
1: record worker process id in the worker local heartbeart
2: in supervisor sync-processes ,get process id from worker local heartbeat
and check if the pricess exits
3: if not restart it immediately
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