liangyepianzhou commented on code in PR #15296:
URL: https://github.com/apache/pulsar/pull/15296#discussion_r857545195
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/TransactionsBase.java:
##########
@@ -432,4 +434,35 @@ protected void validateTopicName(String property, String
namespace, String encod
throw new RestException(Response.Status.PRECONDITION_FAILED,
"Topic name is not valid");
}
}
+
+ protected void internalScaleTransactionCoordinators(int replicas, boolean
authoritative) {
+ final int maxPartitions =
pulsar().getConfig().getMaxNumPartitionsPerPartitionedTopic();
+ if (maxPartitions > 0 && replicas > maxPartitions) {
+ throw new RestException(Response.Status.NOT_ACCEPTABLE,
+ "Number of partitions should be less than or equal to " +
maxPartitions);
+ }
+
validateTopicOwnership(SystemTopicNames.TRANSACTION_COORDINATOR_ASSIGN,
authoritative);
+ CompletableFuture<Void> updatePartition = new CompletableFuture<>();
+ namespaceResources().getPartitionedTopicResources()
+
.updatePartitionedTopicAsync(SystemTopicNames.TRANSACTION_COORDINATOR_ASSIGN, p
-> {
+ if (p.partitions >= replicas) {
+ throw new
RestException(Response.Status.NOT_ACCEPTABLE, "Number of partitions should "
+ + "be more than the current number of
transaction coordinator partitions");
+ }
+ return new PartitionedTopicMetadata(replicas);
+ }).thenAccept(r ->
updatePartition.complete(null)).exceptionally(ex -> {
+ updatePartition.completeExceptionally(ex.getCause());
+ return null;
+ });
+ try {
+ updatePartition.get(DEFAULT_OPERATION_TIMEOUT_SEC,
TimeUnit.SECONDS);
Review Comment:
OK, I will abide by this specification
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