CalvinConfluent commented on code in PR #14706:
URL: https://github.com/apache/kafka/pull/14706#discussion_r1400036881
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metadata/src/main/java/org/apache/kafka/controller/PartitionChangeBuilder.java:
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@@ -466,6 +466,10 @@ private void
maybeUpdateLastKnownLeader(PartitionChangeRecord record) {
partition.lastKnownElr[0] != partition.leader)) {
// Only update the last known leader when the first time the
partition becomes leaderless.
record.setLastKnownELR(Arrays.asList(partition.leader));
+ } else if ((recordHasLeader(record) || partition.leader != NO_LEADER)
Review Comment:
Good catch! To improve the readability, revise to the following.
`record.leader() > 0 || (partition.leader != NO_LEADER && record.leader() !=
NO_LEADER)`
`(Will have a new leader) || (will not become leaderless)`
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