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  1. AMQ Broker
  2. ENTMQBR-9537

OOM after restarting two brokers in Mirroring

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      mirrorMaxPendingAcks was added as a property on the acceptor.

      With a default value of 10_000 records, we will now pace down the mirror source when the pending records reach to 'mirrorMaxPendingAcks'.

      When the mirror source is flooding the mirror target with a lot of pending messages and the acks are not being found at the target, we pause the ingestion of messages with flow control pause until the pending records are processed. We also issue retries earlier in this situation to clear space to release the flow control pause.
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      mirrorMaxPendingAcks was added as a property on the acceptor. With a default value of 10_000 records, we will now pace down the mirror source when the pending records reach to 'mirrorMaxPendingAcks'. When the mirror source is flooding the mirror target with a lot of pending messages and the acks are not being found at the target, we pause the ingestion of messages with flow control pause until the pending records are processed. We also issue retries earlier in this situation to clear space to release the flow control pause.

      OOM after restarting two brokers in Mirroring.

      07:07:38.466087098Z java.lang.OutOfMemoryError: Java heap space
      07:07:38.467053105Z Dumping heap to /home/jboss/amq-broker/java_pid1.hprof ...
      07:07:47.087153112Z Exception in thread "Thread-5 (activemq-netty-threads)" java.lang.OutOfMemoryError: Java heap space
      07:07:51.495359643Z Heap dump file created [2255954172 bytes in 13.029 secs]
      07:07:54.403719318Z Exception in thread "Thread-6 (ActiveMQ-PageExecutor-server-org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl$9@39c1fe0b)" java.lang.OutOfMemoryError: Java heap space
      07:07:54.686925113Z 2024-11-10 07:07:54,405 WARN  [org.apache.activemq.artemis.protocol.amqp.broker.AMQPSessionCallback] event executor terminated
      2024-11-10T07:07:54.686925113Z java.util.concurrent.RejectedExecutionException: event executor terminated
      

              csuconic@redhat.com Clebert Suconic
              rhn-support-aboucham Abel Bouchama
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                Updated:
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