bharanic-dev opened a new issue #14633: URL: https://github.com/apache/pulsar/issues/14633
**Describe the bug** (https://github.com/apache/pulsar/blob/2b3e8aeb5a1c259e0325e5a91dc5d7e20c6ee569/pulsar-broker/src/main/java/org/apache/pulsar/broker/service/BrokerService.java#L594) This can block forever, causing metadata operations to deadlock. "metadata-store-6-1" #61 prio=5 os_prio=0 cpu=139825.70ms elapsed=81027.01s tid=0x00007f1598001000 nid=0x8b waiting for monitor entry [0x00007f15a7805000] java.lang.Thread.State: BLOCKED (on object monitor) at org.apache.pulsar.broker.service.BrokerService.setupTopicPublishRateLimiterMonitor(BrokerService.java:562) - waiting to lock <0x00000003018b1c30> (a org.apache.pulsar.broker.service.BrokerService) at org.apache.pulsar.broker.service.AbstractTopic.updatePublishDispatcher(AbstractTopic.java:920) at org.apache.pulsar.broker.service.AbstractTopic.updatePublishDispatcher(AbstractTopic.java:807) at org.apache.pulsar.broker.service.AbstractTopic.updateMaxPublishRate(AbstractTopic.java:770) at org.apache.pulsar.broker.service.persistent.PersistentTopic.onPoliciesUpdate(PersistentTopic.java:2424) at org.apache.pulsar.broker.service.BrokerService.lambda$null$81(BrokerService.java:1807) at org.apache.pulsar.broker.service.BrokerService$$Lambda$1326/0x00000008408bc440.accept(Unknown Source) at java.util.Optional.ifPresent([email protected]/Optional.java:183) at org.apache.pulsar.broker.service.BrokerService.lambda$null$82(BrokerService.java:1807) at org.apache.pulsar.broker.service.BrokerService$$Lambda$1325/0x00000008408bc040.accept(Unknown Source) at java.util.concurrent.CompletableFuture.uniAcceptNow([email protected]/CompletableFuture.java:753) at java.util.concurrent.CompletableFuture.uniAcceptStage([email protected]/CompletableFuture.java:731) at java.util.concurrent.CompletableFuture.thenAccept([email protected]/CompletableFuture.java:2108) at org.apache.pulsar.broker.service.BrokerService.lambda$null$83(BrokerService.java:1802) at org.apache.pulsar.broker.service.BrokerService$$Lambda$678/0x0000000840655840.accept(Unknown Source) at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap$Section.forEach(ConcurrentOpenHashMap.java:387) at org.apache.pulsar.common.util.collections.ConcurrentOpenHashMap.forEach(ConcurrentOpenHashMap.java:159) at org.apache.pulsar.broker.service.BrokerService.lambda$handlePoliciesUpdates$84(BrokerService.java:1798) at org.apache.pulsar.broker.service.BrokerService$$Lambda$677/0x0000000840655440.accept(Unknown Source) at java.util.concurrent.CompletableFuture$UniAccept.tryFire([email protected]/CompletableFuture.java:714) at java.util.concurrent.CompletableFuture.postComplete([email protected]/CompletableFuture.java:506) at java.util.concurrent.CompletableFuture.complete([email protected]/CompletableFuture.java:2073) at org.apache.pulsar.metadata.impl.ZKMetadataStore.lambda$null$7(ZKMetadataStore.java:139) at org.apache.pulsar.metadata.impl.ZKMetadataStore$$Lambda$226/0x000000084034fc40.run(Unknown Source) at org.apache.pulsar.metadata.impl.AbstractMetadataStore$TaskWrapper.run(AbstractMetadataStore.java:99) at java.util.concurrent.Executors$RunnableAdapter.call([email protected]/Executors.java:515) at java.util.concurrent.FutureTask.run([email protected]/FutureTask.java:264) at java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1128) at java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:628) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run([email protected]/Thread.java:829) **To Reproduce** No reliable way to reproduce the problem, though we have seen this in production deployment. **Expected behavior** This method should not block. -- 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. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
