zhouyejoe commented on a change in pull request #32007:
URL: https://github.com/apache/spark/pull/32007#discussion_r615220493
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File path: core/src/main/scala/org/apache/spark/storage/DiskBlockManager.scala
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@@ -153,6 +193,58 @@ private[spark] class DiskBlockManager(conf: SparkConf,
deleteFilesOnStop: Boolea
}
}
+ /**
+ * Get the list of configured local dirs storing merged shuffle blocks
created by external
+ * shuffle services if push based shuffle is enabled. Note that the files in
this directory
+ * will be created by the external shuffle services. We only create the
merge_manager directories
+ * here because currently the shuffle service doesn't have permission to
create directories
+ * under application local directories.
+ */
+ private def createLocalDirsForMergedShuffleBlocks(conf: SparkConf): Unit = {
Review comment:
Added subdirectories count check in UT
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