Each time we create a new consumer connector, we assign a random consumer id by default. You can try setting "consumer.id" to use a fixed consumer id. In any case, we probably should deregister those beans when shutting down the connector. Could you file a jira?
Thanks, Jun On Thu, Oct 10, 2013 at 7:55 AM, Tanguy tlrx <tlrx....@gmail.com> wrote: > It's in 0.8. > > The JMX names are not exactly the same, but I see 2 beans with similar > names, something like: > > > "my_consumer_group-my_consumer-mytopic-my_consumer_hostname.thing.com-1381416134138-3573c8bf-7-FetchQueueSize" > > -- Tanguy > > > > > > 2013/10/10 Jun Rao <jun...@gmail.com> > > > Is that in 0.7 or 0.8? JMX won't allow a bean with the same name to be > > registered twice. Do you see 2 beans with similar names? What are the > exact > > bean names? > > > > Thanks, > > > > Jun > > > > > > On Thu, Oct 10, 2013 at 2:42 AM, Tanguy tlrx <tlrx....@gmail.com> wrote: > > > > > Hi all, > > > > > > In our application, we are currently starting a Kafka Consumer with the > > > following lines of code: > > > > > > connector = Consumer.createJavaConsumerConnector(consumerConfig); > > > streams = connector .createMessageStreams(map); > > > > > > Then, each KafkaStream is processed in a dedicated thread per topic and > > > partition, as documented here > > > > https://cwiki.apache.org/confluence/display/KAFKA/Consumer+Group+Example > > > > > > We need to stop (halt) and restart the consumer. Today, we just call: > > > > > > connector.shutdown() > > > > > > and wait for threads to terminate. > > > > > > To restart the consumer, we create a new connector: > > > > > > connector = Consumer.createJavaConsumerConnector(consumerConfig); > > > > > > When restarting is complete, I can see that a JMX MBean (we use > Metrics > > > JMXReporter) like "ZookeeperConsumerConnector" is registered twice. > This > > > bean is not registered when the previous connector instance is shut > down. > > > > > > What is the best way to stop/halt and restart a Consumer using the Java > > > API? > > > > > > Is it normal that the MBean is not unregistered at shutdown time? > > > > > > Thanks, > > > > > > -- Tanguy > > > > > > > > > -- > -- Tanguy > twitter @tlrx > https://github.com/tlrx >
