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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/06/02 21:23:59 UTC

[jira] [Assigned] (SPARK-15736) Gracefully handle loss of DiskStore files

     [ https://issues.apache.org/jira/browse/SPARK-15736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-15736:
------------------------------------

    Assignee: Apache Spark  (was: Josh Rosen)

> Gracefully handle loss of DiskStore files
> -----------------------------------------
>
>                 Key: SPARK-15736
>                 URL: https://issues.apache.org/jira/browse/SPARK-15736
>             Project: Spark
>          Issue Type: Bug
>          Components: Block Manager
>            Reporter: Josh Rosen
>            Assignee: Apache Spark
>
> If an RDD partition is cached on disk and the on-disk file is lost, then reads of that cached partition will fail and the missing partition is supposed to be recomputed by a new task attempt. However, the current behavior is to repeatedly re-attempt the read on the same machine without performing any recomputation, which leads to a complete job failure.
> In order to fix this problem, the executor with the missing file needs to properly mark the corresponding block as missing so that it stops advertising itself as a cache location for that block.



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