[GitHub] [pulsar] merlimat commented on issue #6123: Improve recover time from SPOF

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merlimat commented on issue #6123: Improve recover time from SPOF
URL: https://github.com/apache/pulsar/issues/6123#issuecomment-577307171
 
 
   > I have done some testing of SPOF by kill a broker which dealing a topic pub/sub on it, my pulsar is deployed on k8s.
   
   In case of an ungraceful shutdown (eg: the IP of broker stops responding) there are 2 settings that controls how quickly the failure is detected/fixed: 
   
    1. ZooKeeper session timeout. default 30s. Before the session expires, the ownership of topics still belongs to the failed broker.
    2. Client keep-alive probes. The client sends periodic probes in the connection to detect stale TCP connections. The default time is 1min. In Java client it's possible to configure the interval: https://pulsar.apache.org/api/client/org/apache/pulsar/client/api/ClientBuilder.html#keepAliveInterval-int-java.util.concurrent.TimeUnit-
   
    

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