Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/4838#discussion_r25563229
--- Diff: core/src/main/scala/org/apache/spark/storage/MemoryStore.scala ---
@@ -371,7 +371,7 @@ private[spark] class MemoryStore(blockManager:
BlockManager, maxMemory: Long)
private def ensureFreeSpace(
blockIdToAdd: BlockId,
space: Long): ResultWithDroppedBlocks = {
- logInfo(s"ensureFreeSpace($space) called with curMem=$currentMemory,
maxMem=$maxMemory")
+ logDebug(s"ensureFreeSpace($space) called with curMem=$currentMemory,
maxMem=$maxMemory")
--- End diff --
This one I'd say is fairly important. I've used it somewhat often in
production clusters to understand when things are dropping to disk and why.
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