Burak Yavuz created SPARK-17569: ----------------------------------- Summary: Don't recheck existence of files when generating File Relation resolution in StructuredStreaming Key: SPARK-17569 URL: https://issues.apache.org/jira/browse/SPARK-17569 Project: Spark Issue Type: Improvement Reporter: Burak Yavuz
Structured Streaming's FileSource lists files to classify files as Offsets. Once this file list is committed to a metadata log for a batch, this file list is turned into a "Batch FileSource" Relation which acts as the source to the incremental execution. While this "Batch FileSource" Relation is resolved, we re-check that every single file exists on the Driver. It takes a horrible amount of time, and is a total waste. We can simply skip file existence during execution. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org