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From "Matt Cheah (JIRA)" <>
Subject [jira] [Commented] (SPARK-24137) [K8s] Mount temporary directories in emptydir volumes
Date Tue, 01 May 2018 17:02:00 GMT


Matt Cheah commented on SPARK-24137:

[~foxish] [~liyinan926] for SA.

We actually did this on our prototype fork, but looks like it got lost when we implemented
this stuff in mainline.

> [K8s] Mount temporary directories in emptydir volumes
> -----------------------------------------------------
>                 Key: SPARK-24137
>                 URL:
>             Project: Spark
>          Issue Type: Bug
>          Components: Kubernetes
>    Affects Versions: 2.3.0
>            Reporter: Matt Cheah
>            Priority: Major
> Currently the Spark local directories do not get any volumes and volume mounts, which
means we're writing Spark shuffle and cache contents to the file system mounted by Docker.
This can be terribly inefficient. We should use emptydir volumes for these directories instead
for significant performance improvements.

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