vanzin commented on a change in pull request #24499: [SPARK-25888][Core] Serve
local disk persisted blocks by the external service after releasing executor by
dynamic allocation
URL: https://github.com/apache/spark/pull/24499#discussion_r279988524
##########
File path:
common/network-shuffle/src/main/java/org/apache/spark/network/shuffle/ExternalShuffleBlockResolver.java
##########
@@ -179,6 +179,18 @@ public ManagedBuffer getBlockData(
return getSortBasedShuffleBlockData(executor, shuffleId, mapId, reduceId);
}
+ public ManagedBuffer getBlockData(
Review comment:
There's code elsewhere in this class (`deleteNonShuffleFiles`) that seems to
be for deleting non-shuffle files when executors die. I wonder why that is not
causing problems for you.
A quick look seems to tell me it's hooked up only in standalone mode, which
means two things:
- it should probably be wired up in YARN also
- it should be fixed so that it doesn't cause problems with the code you're
adding
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