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From "Sheng Wang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SINGA-5) Server early terminate when zookeeper singa folder is not initially empty
Date Thu, 28 May 2015 08:24:19 GMT
Sheng Wang created SINGA-5:
------------------------------

             Summary: Server early terminate when zookeeper singa folder is not initially
empty
                 Key: SINGA-5
                 URL: https://issues.apache.org/jira/browse/SINGA-5
             Project: Singa
          Issue Type: Bug
            Reporter: Sheng Wang


Ideally, when a singa process crashes, its registered (ephemeral) file in zookeeper will be
automatically deleted.

However, this deletion will be executed after a TIME_OUT time. Hence, if we rerun singa immediately,
the server will get a phantom worker. If this is the only registered worker when the file
is finally deleted, the server will think all workers have been left. It may terminate its
service, before worker starts to execute.



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