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From "Stephan Ewen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-1968) Make Distributed Cache more robust
Date Mon, 04 May 2015 13:13:06 GMT

     [ https://issues.apache.org/jira/browse/FLINK-1968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stephan Ewen updated FLINK-1968:
--------------------------------
    Affects Version/s: 0.9

> Make Distributed Cache more robust
> ----------------------------------
>
>                 Key: FLINK-1968
>                 URL: https://issues.apache.org/jira/browse/FLINK-1968
>             Project: Flink
>          Issue Type: Bug
>    Affects Versions: 0.9
>            Reporter: Stephan Ewen
>            Assignee: Stephan Ewen
>
> The distributed cache has a variety of issues at the moment.
>  - It does not give a proper exception when a non-cached file is accessed
>  - It swallows I/O exceptions that happen during file transfer and later only returns
null
>  - It keeps inonsistently reference counts and attempts to copy often, resolving this
via file collisions
>  - Files are not properly removes on shutdown
>  - No shutdown hook to remove files when process is killed



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