kamalcph commented on code in PR #20706:
URL: https://github.com/apache/kafka/pull/20706#discussion_r2434544374
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core/src/main/scala/kafka/server/ReplicaManager.scala:
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@@ -1636,7 +1636,7 @@ class ReplicaManager(val config: KafkaConfig,
/**
* Process all remote fetches by creating async read tasks and handling them
in DelayedRemoteFetch collectively.
*/
- private def processRemoteFetches(remoteFetchInfos:
util.HashMap[TopicIdPartition, RemoteStorageFetchInfo],
+ private def processRemoteFetches(remoteFetchInfos:
util.LinkedHashMap[TopicIdPartition, RemoteStorageFetchInfo],
Review Comment:
1. Processing the partition in the same order as client sent might address
starvation issues if any.
2. Also, if we want to introduce a dynamic broker config to switch between
single vs multi fetch to reduce the remote calls, then the partitions need to
be processed in the same order.
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