davidtinker commented on issue #2431: Unable to consume messages, need to re-subscribe client URL: https://github.com/apache/pulsar/issues/2431#issuecomment-514078550 We have had similar problems with our 3 node cluster (2.3.1). Every couple of weeks a bunch of our subscriptions (but not all) stop receiving messages and we have to restart all brokers to get things going again. Restarting the consuming services doesn't help. Another problem we have that might be related and possibly easier to diagnose is that sometimes subscriptions seem to get "stuck" with a message in the backlog but nothing delivered to the client. Restarting the consuming service doesn't help. The brokers have to be restarted. I have attached the stats. Tx. [internal-stats.txt](https://github.com/apache/pulsar/files/3420595/internal-stats.txt) [topic-stats.txt](https://github.com/apache/pulsar/files/3420596/topic-stats.txt)
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