Github user a-roberts commented on a diff in the pull request:
https://github.com/apache/spark/pull/16196#discussion_r91309585
--- Diff: core/src/main/scala/org/apache/spark/util/SizeEstimator.scala ---
@@ -89,7 +90,13 @@ object SizeEstimator extends Logging {
// A cache of ClassInfo objects for each class
// We use weakKeys to allow GC of dynamically created classes
- private val classInfos = new MapMaker().weakKeys().makeMap[Class[_],
ClassInfo]()
+ private val classInfos = new ThreadLocal[WeakHashMap[Class[_],
ClassInfo]] {
+ override def initialValue(): java.util.WeakHashMap[Class[_],
ClassInfo] = {
+ val toReturn = new WeakHashMap[Class[_], ClassInfo]()
+ toReturn.put(classOf[Object], new ClassInfo(objectSize, new
Array[Int](0)))
+ return toReturn
--- End diff --
Got it, thanks will give this a try
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
