apoorvmittal10 commented on code in PR #17870:
URL: https://github.com/apache/kafka/pull/17870#discussion_r1912180796
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core/src/main/java/kafka/server/share/DelayedShareFetch.java:
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@@ -390,18 +407,27 @@ private void handleFetchException(
}
// Visible for testing.
- LinkedHashMap<TopicIdPartition, LogReadResult>
combineLogReadResponse(LinkedHashMap<TopicIdPartition,
FetchRequest.PartitionData> topicPartitionData,
+ LinkedHashMap<TopicIdPartition, LogReadResult>
combineLogReadResponse(LinkedHashMap<TopicIdPartition, Long> topicPartitionData,
LinkedHashMap<TopicIdPartition, LogReadResult> existingFetchedData) {
- LinkedHashMap<TopicIdPartition, FetchRequest.PartitionData>
missingLogReadTopicPartitions = new LinkedHashMap<>();
- topicPartitionData.forEach((topicIdPartition, partitionData) -> {
+ LinkedHashMap<TopicIdPartition, Long> missingLogReadTopicPartitions =
new LinkedHashMap<>();
+ topicPartitionData.forEach((topicIdPartition, fetchOffset) -> {
if (!existingFetchedData.containsKey(topicIdPartition)) {
- missingLogReadTopicPartitions.put(topicIdPartition,
partitionData);
+ missingLogReadTopicPartitions.put(topicIdPartition,
fetchOffset);
}
});
if (missingLogReadTopicPartitions.isEmpty()) {
return existingFetchedData;
}
- LinkedHashMap<TopicIdPartition, LogReadResult>
missingTopicPartitionsLogReadResponse =
readFromLog(missingLogReadTopicPartitions);
+
+ // Computing the total bytes that has already been fetched for the
existing fetched data.
+ int totalPartitionMaxBytesUsed = 0;
+ for (LogReadResult logReadResult : existingFetchedData.values()) {
+ totalPartitionMaxBytesUsed +=
logReadResult.info().records.sizeInBytes();
+ }
+
Review Comment:
I agree this is better but it is not UNIFORM approach then. We are mixing
the handling of computing max bytes for partition at different places.
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