jsancio commented on a change in pull request #10344:
URL: https://github.com/apache/kafka/pull/10344#discussion_r596467199
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File path: core/src/main/scala/kafka/raft/KafkaMetadataLog.scala
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@@ -37,8 +37,9 @@ final class KafkaMetadataLog private (
log: Log,
scheduler: Scheduler,
// This object needs to be thread-safe because it is used by the
snapshotting thread to notify the
- // polling thread when snapshots are created.
- snapshotIds: ConcurrentSkipListSet[OffsetAndEpoch],
+ // polling thread when snapshots are created. Using a Map instead of a Set
so that there is no
+ // need to handle NoSuchElementException.
+ snapshotIds: ConcurrentSkipListMap[OffsetAndEpoch, Unit],
Review comment:
We can probably use iterator and reverse-iterator but iterators require
`hasNext` follow by `next`. I didn't want to think/research the concurrency and
consistency implications.
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