Github user tweise commented on a diff in the pull request:
https://github.com/apache/apex-core/pull/350#discussion_r68496167
--- Diff:
engine/src/main/java/com/datatorrent/stram/engine/StreamingContainer.java ---
@@ -769,7 +769,11 @@ public void
processHeartbeatResponse(ContainerHeartbeatResponse rsp)
}
if (rsp.committedWindowId != lastCommittedWindowId) {
+
lastCommittedWindowId = rsp.committedWindowId;
+
+ bufferServer.purge(lastCommittedWindowId);
--- End diff --
Right, since that window was already materialized in the checkpointed state
it shouldn't be needed. Have you checked that by looking where the subscriber
starts consuming from?
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