Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Enable fairness on Kinesis Source's SynchronousQueue #105

Merged
merged 1 commit into from
Jan 9, 2025
Merged

Enable fairness on Kinesis Source's SynchronousQueue #105

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
5 changes: 4 additions & 1 deletion ...kinesis/src/main/scala/com/snowplowanalytics/snowplow/sources/kinesis/KinesisSource.scala
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -42,11 +42,14 @@ object KinesisSource {
}
}

// We enable fairness on the `SynchronousQueue` to ensure all Kinesis shards are sourced at an equal rate.
private val synchronousQueueFairness: Boolean = true

private def kinesisStream[F[_]: Async](
config: KinesisSourceConfig,
liveness: Ref[F, FiniteDuration]
): Stream[F, Stream[F, LowLevelEvents[Map[String, Checkpointable]]]] = {
val actionQueue = new SynchronousQueue[KCLAction]()
val actionQueue = new SynchronousQueue[KCLAction](synchronousQueueFairness)
for {
_ <- Stream.resource(KCLScheduler.populateQueue[F](config, actionQueue))
events <- Stream.emit(pullFromQueueAndEmit(actionQueue, liveness).stream).repeat
Expand Down
Loading