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https://issues.apache.org/jira/browse/SPARK-15736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Josh Rosen updated SPARK-15736:
-------------------------------
Summary: Gracefully handle loss of DiskStore files (was: Gracefully handle
loss of cached RDDs' on-disk files)
> 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: Josh Rosen
>
> 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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