soarez commented on code in PR #14881:
URL: https://github.com/apache/kafka/pull/14881#discussion_r1420873183
##########
metadata/src/main/java/org/apache/kafka/image/TopicDelta.java:
##########
@@ -158,11 +160,21 @@ public LocalReplicaChanges localChanges(int brokerId) {
new LocalReplicaChanges.PartitionInfo(id(),
entry.getValue())
);
topicIds.putIfAbsent(name(), id());
+ updateDirectoryIds(brokerId, entry, prevPartition,
directoryIds);
Review Comment:
We should only add the directoryId as a local change if `prevPartition ==
null || prevPartition.directory(brokerId) !=
entry.getValue().directory(brokerId)`. So this change should be outside of the
leader/follower conditions.
Also I think the info we want/need is a map of
`org.apache.kafka.common.TopicIdPartition` (which already includes the topicId
– it's always present in KRaft mode) to `Uuid` (the directoryId in the
metadata). We can get these as:
```java
if (Replicas.contains(entry.getValue().replicas, brokerId)) {
PartitionRegistration prevPartition =
image.partitions().get(entry.getKey());
if (prevPartition == null || prevPartition.directory(brokerId) !=
entry.getValue().directory(brokerId)) {
directoryIds.put(
new TopicIdPartition(id(), entry.getKey(), name()),
entry.getValue().directory(brokerId)
);
}
}
```
##########
metadata/src/main/java/org/apache/kafka/image/TopicDelta.java:
##########
@@ -158,11 +160,21 @@ public LocalReplicaChanges localChanges(int brokerId) {
new LocalReplicaChanges.PartitionInfo(id(),
entry.getValue())
);
topicIds.putIfAbsent(name(), id());
+ updateDirectoryIds(brokerId, entry, prevPartition,
directoryIds);
Review Comment:
We should only add the directoryId as a local change if `prevPartition ==
null || prevPartition.directory(brokerId) !=
entry.getValue().directory(brokerId)`. So this change should be outside of the
leader/follower conditions.
Also I think the info we want/need is a map of
`org.apache.kafka.common.TopicIdPartition` (which already includes the topicId
– it's always present in KRaft mode) to `Uuid` (the directoryId in the
metadata). We can get these as:
```java
if (Replicas.contains(entry.getValue().replicas, brokerId)) {
PartitionRegistration prevPartition =
image.partitions().get(entry.getKey());
if (prevPartition == null || prevPartition.directory(brokerId) !=
entry.getValue().directory(brokerId)) {
directoryIds.put(
new TopicIdPartition(id(), entry.getKey(), name()),
entry.getValue().directory(brokerId)
);
}
}
```
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