mattisonchao commented on a change in pull request #14940:
URL: https://github.com/apache/pulsar/pull/14940#discussion_r838390286
##########
File path:
pulsar-broker/src/main/java/org/apache/pulsar/broker/TransactionMetadataStoreService.java
##########
@@ -163,86 +165,63 @@ public boolean test(NamespaceBundle namespaceBundle) {
}
public CompletableFuture<Void>
handleTcClientConnect(TransactionCoordinatorID tcId) {
- CompletableFuture<Void> completableFuture = new CompletableFuture<>();
- internalPinnedExecutor.execute(() -> {
- if (stores.get(tcId) != null) {
- completableFuture.complete(null);
- } else {
-
pulsarService.getBrokerService().checkTopicNsOwnership(TopicName
- .TRANSACTION_COORDINATOR_ASSIGN.getPartition((int)
tcId.getId()).toString())
- .thenRun(() -> internalPinnedExecutor.execute(() -> {
- final Semaphore tcLoadSemaphore = this.tcLoadSemaphores
- .computeIfAbsent(tcId.getId(), (id) -> new
Semaphore(1));
- Deque<CompletableFuture<Void>> deque =
pendingConnectRequests
- .computeIfAbsent(tcId.getId(), (id) -> new
ConcurrentLinkedDeque<>());
- if (tcLoadSemaphore.tryAcquire()) {
- // when tcLoadSemaphore.release(), this command will
acquire semaphore,
- // so we should jude the store exist again.
- if (stores.get(tcId) != null) {
- completableFuture.complete(null);
- }
-
- openTransactionMetadataStore(tcId).thenAccept((store)
-> internalPinnedExecutor.execute(() -> {
- stores.put(tcId, store);
- LOG.info("Added new transaction meta store {}",
tcId);
- long endTime = System.currentTimeMillis() +
HANDLE_PENDING_CONNECT_TIME_OUT;
- while (true) {
- // prevent thread in a busy loop.
- if (System.currentTimeMillis() < endTime) {
- CompletableFuture<Void> future =
deque.poll();
- if (future != null) {
- // complete queue request future
- future.complete(null);
- } else {
- break;
- }
- } else {
- deque.clear();
- break;
+ if (stores.get(tcId) != null) {
Review comment:
@eolivelli
I think I find the root cause by #13969
I will change the code and try to remove the thread pool ( that will
seriously reduce efficiency )
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