sanpwc commented on code in PR #4446:
URL: https://github.com/apache/ignite-3/pull/4446#discussion_r1871852162
##########
modules/replicator/src/main/java/org/apache/ignite/internal/replicator/ReplicaManager.java:
##########
@@ -1298,6 +1319,93 @@ private CompletableFuture<Boolean>
onPrimaryExpired(PrimaryReplicaEventParameter
return falseCompletedFuture();
}
+ // TODO: move to Replica
https://issues.apache.org/jira/browse/IGNITE-23750
+ private void registerFailoverCallback(TablePartitionId
replicationGroupId) {
+ CompletableFuture<Replica> replicaFuture =
replicaManager.replica(replicationGroupId);
+
+ // TODO: https://issues.apache.org/jira/browse/IGNITE-23753
+ // For now we assume that it's a possible situation to get null
future on node's stopp process, but it should be fixed with
+ // a correct and consistent replica's state.
+ if (replicaFuture == null) {
+ return;
+ }
+
+ replicaFuture.thenApply(electedPrimaryReplica -> {
+ onLeaderElectedFailoverCallback = (leaderNode, term) ->
changePeersAndLearnersAsyncIfPendingExists(
+ electedPrimaryReplica,
+ replicationGroupId,
+ term
+ );
+
+ return
electedPrimaryReplica.raftClient().subscribeLeader(onLeaderElectedFailoverCallback);
+ }).exceptionally(e -> {
+ LOG.error("Rebalance failover subscription on elected primary
replica failed [groupId=" + replicationGroupId + "].", e);
+
Review Comment:
My fault. By failover I mean failHandler
`failureManager.process(new FailureContext(CRITICAL_ERROR, e));`
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