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Posted to issues@spark.apache.org by "Yuming Wang (Jira)" <ji...@apache.org> on 2021/05/19 08:20:00 UTC
[jira] [Commented] (SPARK-35441) InMemoryFileIndex load all files
into memroy
[ https://issues.apache.org/jira/browse/SPARK-35441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17347404#comment-17347404 ]
Yuming Wang commented on SPARK-35441:
-------------------------------------
What is your driver memory?
> InMemoryFileIndex load all files into memroy
> --------------------------------------------
>
> Key: SPARK-35441
> URL: https://issues.apache.org/jira/browse/SPARK-35441
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.3.1
> Reporter: Zhang Jianguo
> Priority: Minor
>
> When InMemoryFileIndex is initialated, it'll load all files of ${rootPath}. If there're thousands of files, it could lead to OOM.
>
> https://github.com/apache/spark/blob/0b3758e8cdb3eaa9d55ce3b41ecad5fa01567343/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InMemoryFileIndex.scala#L66
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