jolshan commented on code in PR #15968:
URL: https://github.com/apache/kafka/pull/15968#discussion_r1636905567
##########
clients/src/main/java/org/apache/kafka/clients/ApiVersions.java:
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@@ -34,10 +34,21 @@ public class ApiVersions {
private final Map<String, NodeApiVersions> nodeApiVersions = new
HashMap<>();
private byte maxUsableProduceMagic = RecordBatch.CURRENT_MAGIC_VALUE;
+ private short maxProduceSupportedVersion = ApiKeys.PRODUCE.latestVersion();
public synchronized void update(String nodeId, NodeApiVersions
nodeApiVersions) {
this.nodeApiVersions.put(nodeId, nodeApiVersions);
this.maxUsableProduceMagic = computeMaxUsableProduceMagic();
+ this.maxProduceSupportedVersion = computeMaxProduceSupportedVersion();
+ }
+
+ private short computeMaxProduceSupportedVersion() {
+ Optional<Short> knownBrokerNodesMinSupportedVersionForProduce =
this.nodeApiVersions.values().stream()
Review Comment:
I wonder if we should also confirm that the IBP is at least 2.8 on the
cluster. (Note this only applies to ZK clusters as all kraft clusters are 3.0
and above/have topic IDs)
There is a case someone is running a new cluster with a very old IBP.
This check would be similar to what
`!topicIds.entrySet().stream().anyMatch(e -> e.getValue() == Uuid.ZERO_UUID)`
was doing before.
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