dongzhonghua opened a new issue, #20976: URL: https://github.com/apache/pulsar/issues/20976
### Search before asking - [X] I searched in the [issues](https://github.com/apache/pulsar/issues) and found nothing similar. ### Version Linux 4.18.0-2.4.3.3.kwai.x86_64 #1 SMP Wed Apr 6 06:31:51 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux Pulsar 2.11.0 ### Minimal reproduce step use 20topics and 128 partitions per topic to pressure test, I guess it's becaues to many look up requests. ### What did you expect to see? no exception ### What did you see instead? first, it occurs: 2023-08-11T15:15:33,332+0800 [pulsar-io-4-45] WARN org.apache.pulsar.client.impl.BinaryProtoLookupService.lambda$findBroker$1(BinaryProtoLookupService.java:122) - [persistent://public/default/__change_events] failed to send lookup request : Disconnected from server at infra-bjmt-rs-21.idchb1az4.yz.kwaidc.com/10.88.166.178:6650 2023-08-11T15:15:33,332+0800 [pulsar-io-4-47] WARN org.apache.pulsar.client.impl.ClientCnx.checkRequestTimeout(ClientCnx.java:1286) - [id: 0xbd641ae4, L:/10.88.166.178:41344 ! R:infra-bjmt-rs-21.idchb1az4.yz.kwaidc.com/10.88.166.178:6650] Lookup request timeout {'durationMs': '30000', 'reqId':'2001116152093582614', 'remote':'infra-bjmt-rs-21.idchb1az4.yz.kwaidc.com/10.88.166.178:6650', 'local':'/10.88.166.178:41344'} 2023-08-11T15:15:33,332+0800 [pulsar-io-4-45] WARN org.apache.pulsar.client.impl.ConnectionHandler.handleConnectionError(ConnectionHandler.java:88) - [persistent://public/default/__change_events] [null] Error connecting to broker: org.apache.pulsar.client.api.PulsarClientException$ConnectException: Disconnected from server at infra-bjmt-rs-21.idchb1az4.yz.kwaidc.com/10.88.166.178:6650 ### Anything else? _No response_ ### Are you willing to submit a PR? - [ ] I'm willing to submit a PR! -- 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]
