hiboyang commented on a change in pull request #31715:
URL: https://github.com/apache/spark/pull/31715#discussion_r587189709
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File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
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@@ -2117,4 +2117,15 @@ package object config {
// batch of block will be loaded in memory with memory mapping, which
has higher overhead
// with small MB sized chunk of data.
.createWithDefaultString("3m")
+
+ private[spark] val MARK_FILE_LOST_ON_EXECUTOR_LOST =
+ ConfigBuilder("spark.shuffle.markFileLostOnExecutorLost")
Review comment:
Hi Cheng, thanks for the comment, and known you from FB! We previously
discussed with people from FB about Cosco, but not for this specific issue.
Just curious, do you guys modify your internal Spark distribution to make
executor lost event not trigger driver to delete map output?
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