DL1231 commented on code in PR #20837:
URL: https://github.com/apache/kafka/pull/20837#discussion_r2508490053
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core/src/main/java/kafka/server/share/SharePartition.java:
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@@ -1885,6 +1899,11 @@ private int acquireSubsetBatchRecords(
continue;
}
+ // If the record has any pending deliveries, return
immediately and do not deliver the current bad record.
+ if (offsetState.getValue().deliveryCount() >=
BAD_RECORD_DELIVERY_THRESHOLD && (hasBeenAcquired > 0 || acquiredCount > 0)) {
+ return -acquiredCount;
+ }
+
Review Comment:
If the `deliveryCount` of the current record is greater than or equal to the
threshold, it indicates that the current record is a `bad record` and may fail
to be delivered.
- If there are already pending deliveries, we should immediately send those
to avoid being affected by the bad record.
- If there are no pending deliveries, the bad record should be sent
individually.
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