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From "Sheng Wang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (SINGA-5) Server early terminate when zookeeper singa folder is not initially empty
Date Thu, 28 May 2015 08:56:17 GMT

     [ https://issues.apache.org/jira/browse/SINGA-5?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sheng Wang resolved SINGA-5.
----------------------------
    Resolution: Fixed

> 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
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> 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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