gaozhangmin opened a new issue, #16002:
URL: https://github.com/apache/pulsar/issues/16002
Our environment encountered a producer client with memory limit set to 8MB
stuck.
the jstack info:
```
cpu=60340268.05ms elapsed=5024193.73s tid=0x00007fbbc4001000 nid=0x427cc
waiting on condition [0x00007fbcd6eba000]
java.lang.Thread.State: WAITING (parking)
at jdk.internal.misc.Unsafe.park([email protected]/Native Method)
- parking to wait for <0x0000000760d3c3a0> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at
java.util.concurrent.locks.LockSupport.park([email protected]/LockSupport.java:194)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await([email protected]/AbstractQueuedSynchronizer.java:2081)
at
org.apache.pulsar.client.impl.MemoryLimitController.reserveMemory(MemoryLimitController.java:58)
at
org.apache.pulsar.client.impl.ProducerImpl.canEnqueueRequest(ProducerImpl.java:811)
at
org.apache.pulsar.client.impl.ProducerImpl.sendAsync(ProducerImpl.java:426)
at
org.apache.pulsar.client.impl.ProducerImpl.internalSendAsync(ProducerImpl.java:321)
at
org.apache.pulsar.client.impl.ProducerImpl.internalSendWithTxnAsync(ProducerImpl.java:392)
at
org.apache.pulsar.client.impl.PartitionedProducerImpl.internalSendWithTxnAsync(PartitionedProducerImpl.java:243)
at
org.apache.pulsar.client.impl.PartitionedProducerImpl.internalSendAsync(PartitionedProducerImpl.java:190)
at
org.apache.pulsar.client.impl.TypedMessageBuilderImpl.sendAsync(TypedMessageBuilderImpl.java:103)
at
```
Then, We dumped the client memory for analysis, found the whole size is less
than 8MB。Did we miss release memory limit somewhere?
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