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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2018/12/11 12:49:45 UTC

[GitHub] viirya edited a comment on issue #23272: [SPARK-26265][Core] Fix deadlock in BytesToBytesMap.MapIterator when locking both BytesToBytesMap.MapIterator and TaskMemoryManager

viirya edited a comment on issue #23272: [SPARK-26265][Core] Fix deadlock in BytesToBytesMap.MapIterator when locking both BytesToBytesMap.MapIterator and TaskMemoryManager
URL: https://github.com/apache/spark/pull/23272#issuecomment-446190635
 
 
   > last question: does the test always reproduce the bug? Or it has some randomness?
   
   If without the change, as I tried it locally 10 times, the test can reproduce the bug 10 times. But I'm not sure if it is 100% to reproduce the bug. I think we can't always to reproduce a deadlock like this.

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