pjfanning commented on code in PR #1892:
URL: https://github.com/apache/pekko/pull/1892#discussion_r2134023588


##########
actor/src/main/scala/org/apache/pekko/actor/dungeon/Children.scala:
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@@ -120,13 +120,13 @@ private[pekko] trait Children { this: ActorCell =>
     refs.valuesIterator.foreach(_.stop())
   }
 
-  @nowarn @volatile private var _nextNameDoNotCallMeDirectly = 0L
+  private val _nextName = new java.util.concurrent.AtomicLong()

Review Comment:
   I actually got AtomicLongFieldUpdater to work by moving the code to be in 
the class that has the private field. The performance in my bench testing is no 
better than the simpler AtomicLong.



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