Github user mridulm commented on a diff in the pull request:
https://github.com/apache/spark/pull/894#discussion_r13471878
--- Diff:
yarn/common/src/main/scala/org/apache/spark/deploy/yarn/ClientBase.scala ---
@@ -65,6 +65,18 @@ trait ClientBase extends Logging {
val APP_FILE_PERMISSION: FsPermission =
FsPermission.createImmutable(Integer.parseInt("644", 8).toShort)
+ // Additional memory overhead - in mb.
+ protected def memoryOverhead: Int = {
+ var defaultMemoryOverhead = (args.amMemory * 0.25D).ceil.toInt
--- End diff --
We would need to modify this too.
I had merged this PR locally and it resulted in huge overhead being
computed - resulting in job failures due to master running out of memory.
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