ankuriitg commented on issue #24208: [SPARK-27272][CORE] Enable blacklisting of 
node/executor on fetch failures by default
URL: https://github.com/apache/spark/pull/24208#issuecomment-476788386
 
 
   Thanks for the review @squito !
   
   I have removed the additional logic and configuration and changed the PR to 
just enable blacklisting for fetch failure to on by default. As @tgravescs 
suggested, we can add that logic later on, if needed.
   
   I also wanted to check if we should enable 
`spark.files.fetchFailure.unRegisterOutputOnHost` by default (added in 
SPARK-19753). This ensures that not only is the host blacklisted but all the 
files on that host are deleted.
   
   @squito , I also agree with turning blacklisting on by default.

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