clolov commented on code in PR #13180:
URL: https://github.com/apache/kafka/pull/13180#discussion_r1094398310
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metadata/src/main/java/org/apache/kafka/metadata/migration/KRaftMigrationDriver.java:
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@@ -415,7 +416,7 @@ public void run() throws Exception {
log.info("Migrating {} records from ZK",
batch.size());
}
CompletableFuture<?> future =
zkRecordConsumer.acceptBatch(batch);
- count.addAndGet(batch.size());
+ summary.acceptBatch(batch);
Review Comment:
I am new to this part of the codebase, so this might have an obvious answer,
but previously we used an AtomicInteger, which leads me to believe there was a
race-condition which the author was trying to avoid. If this is true, the new
MigrationSummary class does not impose any synchronization barriers, is this
correct?
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