dajac commented on a change in pull request #10863:
URL: https://github.com/apache/kafka/pull/10863#discussion_r652188355
##########
File path: core/src/main/scala/kafka/coordinator/group/GroupCoordinator.scala
##########
@@ -1450,7 +1457,95 @@ class GroupCoordinator(val brokerId: Int,
group.maybeInvokeJoinCallback(member, joinResult)
completeAndScheduleNextHeartbeatExpiration(group, member)
member.isNew = false
+
+ group.addPendingSyncMember(member.memberId)
}
+
+ schedulePendingSync(group)
+ }
+ }
+ }
+ }
+
+ private def removePendingSyncMember(
+ group: GroupMetadata,
+ memberId: String
+ ): Unit = {
+ group.removePendingSyncMember(memberId)
+ maybeCompleteSyncExpiration(group)
+ }
+
+ private def removeSyncExpiration(
+ group: GroupMetadata
+ ): Unit = {
+ group.clearPendingSyncMembers()
+ maybeCompleteSyncExpiration(group)
+ }
+
+ private def maybeCompleteSyncExpiration(
+ group: GroupMetadata
+ ): Unit = {
+ val groupKey = GroupKey(group.groupId)
+ syncPurgatory.checkAndComplete(groupKey)
+ }
+
+ private def schedulePendingSync(
+ group: GroupMetadata
+ ): Unit = {
+ val delayedSync = new DelayedSync(this, group, group.generationId,
group.rebalanceTimeoutMs)
+ val groupKey = GroupKey(group.groupId)
+ syncPurgatory.tryCompleteElseWatch(delayedSync, Seq(groupKey))
+ }
+
+ def tryCompletePendingSync(
+ group: GroupMetadata,
+ generationId: Int,
+ forceComplete: () => Boolean
+ ): Boolean = {
+ group.inLock {
+ if (generationId != group.generationId) {
+ forceComplete()
+ } else {
+ group.currentState match {
+ case Dead | Empty | PreparingRebalance =>
+ forceComplete()
+ case CompletingRebalance | Stable =>
+ if (group.hasReceivedSyncFromAllMembers())
+ forceComplete()
+ else false
+ }
+ }
+ }
+ }
+
+ def onExpirePendingSync(
+ group: GroupMetadata,
+ generationId: Int
+ ): Unit = {
+ group.inLock {
+ if (generationId != group.generationId) {
+ debug(s"Received unexpected notification of sync expiration for
${group.groupId} " +
+ s" with an old generation $generationId.")
Review comment:
Will do.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
