AndrewJSchofield commented on code in PR #14384:
URL: https://github.com/apache/kafka/pull/14384#discussion_r1324599448
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clients/src/main/java/org/apache/kafka/clients/producer/internals/ProducerBatch.java:
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@@ -94,9 +100,40 @@ public ProducerBatch(TopicPartition tp,
MemoryRecordsBuilder recordsBuilder, lon
this.isSplitBatch = isSplitBatch;
float compressionRatioEstimation =
CompressionRatioEstimator.estimation(topicPartition.topic(),
recordsBuilder.compressionType());
+ this.currentLeaderEpoch = PartitionInfo.UNKNOWN_LEADER_EPOCH;
+ this.leaderChangedAttempts = -1;
recordsBuilder.setEstimatedCompressionRatio(compressionRatioEstimation);
}
+ /*
+ * Returns whether the leader epoch has changed since the last attempt.
+ * @param latestLeaderEpoch The latest leader epoch.
+ * @return true if the leader has changed, otherwise false.
+ */
+ boolean hasLeaderChanged(int latestLeaderEpoch) {
+ boolean leaderChanged = false;
+ // Checking for leader change makes sense only from 1st retry
onwards(attempt >=1).
+ log.trace("For {}, attempting to change leader, currentLeaderEpoch:{},
leaderChangedAttempts:{}, latestLeaderEpoch: {}, current Attempt: {}",
Review Comment:
There are 4 separate calls to `attempts()` (or the equivalent of
`attempts.get()`) in this method. Capture the value with a single call and use
instead.
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