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https://issues.apache.org/jira/browse/SPARK-27499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16860598#comment-16860598
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Dongjoon Hyun edited comment on SPARK-27499 at 6/11/19 7:42 AM:
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No, I think you didn't read the patch of that, [~junjie].
Could you read the patch? You can start from the following line.
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https://github.com/apache/spark/pull/21238/files#diff-529fc5c06b9731c1fbda6f3db60b16aaR458
Also, please see the following `PVTestsSuite` test case.
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https://github.com/apache/spark/blob/master/resource-managers/kubernetes/integration-tests/src/test/scala/org/apache/spark/deploy/k8s/integrationtest/PVTestsSuite.scala
was (Author: dongjoon):
No, I think you didn't read the patch of that, [~junjie].
Could you read the patch? You can start from the following line.
-
https://github.com/apache/spark/pull/21238/files#diff-529fc5c06b9731c1fbda6f3db60b16aaR458
Also, please see the test case.
> Support mapping spark.local.dir to hostPath volume
> --------------------------------------------------
>
> Key: SPARK-27499
> URL: https://issues.apache.org/jira/browse/SPARK-27499
> Project: Spark
> Issue Type: Improvement
> Components: Kubernetes
> Affects Versions: 3.0.0
> Reporter: Junjie Chen
> Priority: Minor
> Fix For: 2.4.0
>
>
> Currently, the k8s executor builder mount spark.local.dir as emptyDir or
> memory, it should satisfy some small workload, while in some heavily workload
> like TPCDS, both of them can have some problem, such as pods are evicted due
> to disk pressure when using emptyDir, and OOM when using tmpfs.
> In particular on cloud environment, users may allocate cluster with minimum
> configuration and add cloud storage when running workload. In this case, we
> can specify multiple elastic storage as spark.local.dir to accelerate the
> spilling.
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