Zhang Jianguo created SPARK-35441:
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Summary: 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
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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