jolshan commented on code in PR #14774:
URL: https://github.com/apache/kafka/pull/14774#discussion_r1419452827
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core/src/main/scala/kafka/server/ReplicaManager.scala:
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@@ -976,6 +975,231 @@ class ReplicaManager(val config: KafkaConfig,
}
}
+ /**
+ * Append messages to offsets topic, and wait for them to be replicated to
other replicas;
+ * the callback function will be triggered either when timeout or the
required acks are satisfied;
+ * if the callback function itself is already synchronized on some object
then pass this object to avoid deadlock.
+ *
+ * Noted that all pending delayed check operations are stored in a queue.
All callers to ReplicaManager.appendRecords()
+ * are expected to call ActionQueue.tryCompleteActions for all affected
partitions, without holding any conflicting
+ * locks.
+ *
+ * @param timeout maximum time we will wait to append
before returning
+ * @param requiredAcks number of replicas who must
acknowledge the append before sending the response
+ * @param internalTopicsAllowed boolean indicating whether internal
topics can be appended to
+ * @param origin source of the append request (ie,
client, replication, coordinator)
+ * @param entriesPerPartition the records per partition to be
appended
+ * @param responseCallback callback for sending the response
+ * @param delayedProduceLock lock for the delayed actions
+ * @param recordValidationStatsCallback callback for updating stats on
record conversions
+ * @param requestLocal container for the stateful instances
scoped to this request -- this must correspond to the
+ * thread calling this method
+ * @param actionQueue the action queue to use.
ReplicaManager#defaultActionQueue is used by default.
+ * @param verificationGuards the mapping from topic partition to
verification guards if transaction verification is used
+ * @param preAppendErrors the mapping from topic partition to
LogAppendResult for errors that occurred before appending
+ */
+ def appendForGroup(timeout: Long,
Review Comment:
I planned to take this out after the refactor. It is only used for
appendForGroup to minimize the diff.
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