vamossagar12 commented on code in PR #13801:
URL: https://github.com/apache/kafka/pull/13801#discussion_r1258617166
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connect/runtime/src/main/java/org/apache/kafka/connect/storage/ConnectorOffsetBackingStore.java:
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@@ -279,8 +284,51 @@ public Future<Void> set(Map<ByteBuffer, ByteBuffer>
values, Callback<Void> callb
throw new IllegalStateException("At least one non-null offset
store must be provided");
}
+ boolean containsTombstones = values.containsValue(null);
+
+ // If there are tombstone offsets, then the failure to write to
secondary store will
+ // not be ignored. Also, for tombstone records, we first write to
secondary store and
+ // then to primary stores.
+ if (secondaryStore != null && containsTombstones) {
+ AtomicReference<Throwable> secondaryStoreTombstoneWriteError = new
AtomicReference<>();
+ FutureCallback<Void> secondaryWriteFuture = new FutureCallback<>();
+ secondaryStore.set(values, secondaryWriteFuture);
+ try {
+ // For EOS, there is no timeout for offset commit and it is
allowed to take as much time as needed for
+ // commits. We still need to wait because we want to fail the
offset commit for cases when
Review Comment:
Well the rationale it the same that EOS waits indefinitely for the commits
to happen. In this case, the tombstone containing offset writes happen to fall
in the critical path and hence the commit transaction needs to wait for this as
well.
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