liangyepianzhou commented on code in PR #20948:
URL: https://github.com/apache/pulsar/pull/20948#discussion_r1302344158
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pulsar-broker/src/main/java/org/apache/pulsar/broker/service/persistent/MessageDeduplication.java:
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@@ -323,26 +323,29 @@ public MessageDupStatus isDuplicate(PublishContext
publishContext, ByteBuf heade
String producerName = publishContext.getProducerName();
long sequenceId = publishContext.getSequenceId();
+ headersAndPayload.markReaderIndex();
+ MessageMetadata msgMetadata =
Commands.parseMessageMetadata(headersAndPayload);
+ headersAndPayload.resetReaderIndex();
long highestSequenceId =
Math.max(publishContext.getHighestSequenceId(), sequenceId);
if (producerName.startsWith(replicatorPrefix)) {
// Message is coming from replication, we need to use the original
producer name and sequence id
// for the purpose of deduplication and not rely on the
"replicator" name.
- int readerIndex = headersAndPayload.readerIndex();
- MessageMetadata md =
Commands.parseMessageMetadata(headersAndPayload);
- producerName = md.getProducerName();
- sequenceId = md.getSequenceId();
- highestSequenceId = Math.max(md.getHighestSequenceId(),
sequenceId);
+ producerName = msgMetadata.getProducerName();
+ sequenceId = msgMetadata.getSequenceId();
+ highestSequenceId = Math.max(msgMetadata.getHighestSequenceId(),
sequenceId);
Review Comment:
This is not related to this PR. We should ignore it.
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