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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2018/12/12 15:59:17 UTC

[GitHub] xuanyuanking opened a new pull request #23298: [SPARK-26222][SQL] Track file listing time

xuanyuanking opened a new pull request #23298: [SPARK-26222][SQL] Track file listing time
URL: https://github.com/apache/spark/pull/23298
 
 
   ## What changes were proposed in this pull request?
   
   File listing time in scan node's SQL metrics has done and improved in spark-20136/SPARK-26327. In this pr we use QueryPlanningTracker to track start and end time of file listing.
   
   ## How was this patch tested?
   
   Add test for DataFrameWriter and Non-physical phase below:
   - DataFrameReader.load, file listing will be triggered by DataSource.resolveRelation.
   - Analyze rule like FindDataSourceTable.
   - Optimization rule like PruneFileSourcePartitions, OptimizeMetadataOnlyQuery.
   

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