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https://issues.apache.org/jira/browse/GEODE-8491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17199411#comment-17199411
 ] 

ASF GitHub Bot commented on GEODE-8491:
---------------------------------------

albertogpz commented on a change in pull request #5509:
URL: https://github.com/apache/geode/pull/5509#discussion_r492080459



##########
File path: 
geode-core/src/main/java/org/apache/geode/internal/cache/wan/AbstractGatewaySender.java
##########
@@ -1118,6 +1115,17 @@ public void distribute(EnumListenerEvent operation, 
EntryEventImpl event,
     }
   }
 
+  private void recordDroppedEvent(EntryEventImpl event) {
+    if (this.eventProcessor != null) {
+      this.eventProcessor.registerEventDroppedInPrimaryQueue(event);

Review comment:
       @boglesby I reverted the change about letting the batch removal thread 
remove the dropped events because I did not find a way to stop the thread when 
the cache was closing.
   
   @boglesby and @gesterzhou , could you please approve the PR if you are ok 
with the changes? Otherwise, please let me know what else should be changed.




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> Events received when gateway sender is stopped use heap memory
> --------------------------------------------------------------
>
>                 Key: GEODE-8491
>                 URL: https://issues.apache.org/jira/browse/GEODE-8491
>             Project: Geode
>          Issue Type: Bug
>          Components: wan
>    Affects Versions: 1.7.0, 1.8.0, 1.9.0, 1.9.1, 1.10.0, 1.9.2, 1.11.0, 
> 1.12.0, 1.13.0
>            Reporter: Alberto Gomez
>            Assignee: Alberto Gomez
>            Priority: Major
>              Labels: pull-request-available
>
> When a gateway sender is stopped, events received are stored in a member 
> variable of the sender (tmpDroppedEvents) to be later sent to secondary 
> gateway senders to remove these dropped events from their queues.
> This events use heap memory from the member and could eventually fill up the 
> available memory.
> See RFC 
> [https://cwiki.apache.org/confluence/display/GEODE/Avoid+the+queuing+of+dropped+events+by+the+primary+gateway+sender+when+the+gateway+sender+is+stopped]
>  



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