Github user witgo commented on a diff in the pull request:
https://github.com/apache/spark/pull/894#discussion_r13131123
--- Diff:
yarn/stable/src/main/scala/org/apache/spark/deploy/yarn/YarnAllocationHandler.scala
---
@@ -90,6 +90,12 @@ private[yarn] class YarnAllocationHandler(
// Containers to be released in next request to RM
private val pendingReleaseContainers = new
ConcurrentHashMap[ContainerId, Boolean]
+ // TODO: Here we can dynamically calculate the default value.
+ // eg: val memoryOverhead = (executorMemory * 0.25D).ceil.toInt
+ // Additional memory overhead - in mb.
--- End diff --
@mridulm @pwendell @sryza @tgravescs
Here's the default value of `memoryOverhead` should be changed dynamically
calculated, right?
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