rahij commented on issue #25928: optimization: call fs.exists only when necessary URL: https://github.com/apache/spark/pull/25928#issuecomment-535179773 @dongjoon-hyun the exists method does: ``` return getFileStatus(f) != null; ``` the `getFileStatus` method can be slow depending on the implementation. The one I'm working with can take > 1 minute for datasources with a lot of files.
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