steveloughran commented on PR #5176:
URL: https://github.com/apache/hadoop/pull/5176#issuecomment-1336158644

   sorry, should have been clearer: a local spark build and spark-shell process 
is ideal for replication and validation -as all splits are processed in 
different worker threads in that process, it recreates the exact failure mode.
   
   script you can take and tune for your system; uses the mkcsv command in 
cloudstore JAR.
   
   I am going to add this as a scalatest suite in the same module
   
https://github.com/hortonworks-spark/cloud-integration/blob/master/spark-cloud-integration/src/scripts/validating-csv-record-io.sc


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