[jira] [Closed] (FLINK-3878) File cache doesn't support multiple duplicate temp directories

["Fabian Hueske (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-3878?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Fabian Hueske closed FLINK-3878.
--------------------------------
       Resolution: Fixed
         Assignee: Ken Krugler
    Fix Version/s: 1.1.0
                   1.0.4

Fixed for 1.0.4 with 4ae55cfd74d5b43eb4ab6e3a36fa6d8ca15d665d
Fixed for 1.1.0 with 3c90d3654c84f2a5f58564d2243f6a6e83da3fba

Thanks for the fix!

> File cache doesn't support multiple duplicate temp directories
> --------------------------------------------------------------
>
>                 Key: FLINK-3878
>                 URL: https://issues.apache.org/jira/browse/FLINK-3878
>             Project: Flink
>          Issue Type: Bug
>          Components: Distributed Runtime, Local Runtime
>    Affects Versions: 1.1.0, 1.0.2
>            Reporter: Ken Krugler
>            Assignee: Ken Krugler
>             Fix For: 1.0.4, 1.1.0
>
>         Attachments: FLINK-3878.patch
>
>
> Based on https://ci.apache.org/projects/flink/flink-docs-master/setup/config.html, you should be able to specify the same temp directory name multiple times. This works for some of the Flink infrastructure (e.g. the TaskManager's temp file directory), but not for FileCache.
> The problem is that the FileCache() constructor tries to use the same random directory name for each of the specified temp dir locations, so after the first directory is created, the second create fails.



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