Re: [PR] fix: Fix leak in FlatMapPrefix operator. [pekko]

["He-Pin (via GitHub)" <gi...@apache.org>]

He-Pin commented on code in PR #1622:
URL: https://github.com/apache/pekko/pull/1622#discussion_r1894889010


##########
stream/src/main/scala/org/apache/pekko/stream/impl/fusing/FlatMapPrefix.scala:
##########
@@ -128,8 +129,8 @@ import pekko.util.OptionVal
 
       def materializeFlow(): Unit =
         try {
-          val prefix = accumulated.toVector
-          accumulated.clear()
+          val prefix = builder.result()
+          builder = null // free for GC

Review Comment:
   @queimadus would you like to give this patch a try?



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