Cyrill commented on code in PR #4688:
URL: https://github.com/apache/ignite-3/pull/4688#discussion_r1851965589
##########
modules/table/src/main/java/org/apache/ignite/internal/table/distributed/disaster/GroupUpdateRequest.java:
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@@ -254,42 +292,60 @@ private static CompletableFuture<Integer> partitionUpdate(
return completedFuture(ASSIGNMENT_NOT_UPDATED.ordinal());
}
- Iif invokeClosure;
-
- if (aliveStableNodes.isEmpty()) {
- if (!manualUpdate) {
- return completedFuture(ASSIGNMENT_NOT_UPDATED.ordinal());
- }
+ if (aliveStableNodes.isEmpty() && !manualUpdate) {
+ return completedFuture(ASSIGNMENT_NOT_UPDATED.ordinal());
+ }
+ if (manualUpdate) {
enrichAssignments(partId, aliveDataNodes, replicas,
partAssignments);
+ }
- // There are no known nodes with data, which means that we can
just put new assignments into pending assignments with "forced"
- // flag.
- invokeClosure = prepareMsInvokeClosure(
- partId,
- longToBytesKeepingOrder(revision),
- Assignments.forced(partAssignments,
assignmentsTimestamp).toBytes(),
- null
- );
- } else {
- Set<Assignment> stableAssignments = Set.copyOf(partAssignments);
+ Assignment nextAssignment = aliveStableNodes.isEmpty()
+ ? nextAssignment(partAssignments)
+ : nextAssignment(localPartitionStateMessageByNode,
partAssignments);
+
+ // There are nodes with data, and we set pending assignments to this
set of nodes. It'll be the source of peers for
+ // "resetPeers", and after that new assignments with restored replica
factor wil be picked up from planned assignments
+ // for the case of the manual update, that was triggered by a user.
+ Iif invokeClosure = prepareMsInvokeClosure(
+ partId,
+ longToBytesKeepingOrder(revision),
+ Assignments.forced(Set.of(nextAssignment),
assignmentsTimestamp).toBytes(),
+ Assignments.toBytes(partAssignments, assignmentsTimestamp)
+ );
- if (manualUpdate) {
- enrichAssignments(partId, aliveDataNodes, replicas,
partAssignments);
- }
+ return
metaStorageMgr.invoke(invokeClosure).thenApply(StatementResult::getAsInt);
+ }
- // There are nodes with data, and we set pending assignments to
this set of nodes. It'll be the source of peers for
- // "resetPeers", and after that new assignments with restored
replica factor wil be picked up from planned assignments
- // for the case of the manual update, that was triggered by a user.
- invokeClosure = prepareMsInvokeClosure(
- partId,
- longToBytesKeepingOrder(revision),
- Assignments.forced(stableAssignments,
assignmentsTimestamp).toBytes(),
- Assignments.toBytes(partAssignments, assignmentsTimestamp)
- );
- }
+ /**
+ * Returns the first assignment in the lexicographic order.
+ */
+ private static Assignment nextAssignment(Set<Assignment> assignments) {
+ assert !assignments.isEmpty() : "Alive nodes with data should not be
empty";
Review Comment:
Changed this. Added todo with IGNITE-23737 to cover the case when there are
no available nodes at all
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