sydnash opened a new issue #6021: reader's subscription not auto delete after reader disconnected on non persistent topic URL: https://github.com/apache/pulsar/issues/6021 **Describe the bug** On persistent topic, a reader's subscription will auto delete after reader disconnected, but on non-persistent topic, the reader's subscription is not auto deleted. **To Reproduce** 1. connect a reader on a non-persistent topic 2. then disconnet the reader 3. use bin/pulsar-admin topics stats topicname, the reader's subscription is not been deleted. **Expected behavior** on persistent **Screenshots** root@broker1:/pulsar# bin/pulsar-admin topics stats non-persistent://public/default/test_t3 { "msgRateIn" : 0.0, "msgThroughputIn" : 0.0, "msgRateOut" : 0.0, "msgThroughputOut" : 0.0, "averageMsgSize" : 0.0, "storageSize" : 0, "publishers" : [ ], "subscriptions" : { "reader-e8f7d8" : { "msgRateOut" : 0.0, "msgThroughputOut" : 0.0, "msgRateRedeliver" : 0.0, "msgBacklog" : 0, "blockedSubscriptionOnUnackedMsgs" : false, "msgDelayed" : 0, "unackedMessages" : 0, "type" : "Exclusive", "msgRateExpired" : 0.0, "consumers" : [ ], "isReplicated" : false }, "reader-fb504f" : { "msgRateOut" : 0.0, "msgThroughputOut" : 0.0, "msgRateRedeliver" : 0.0, "msgBacklog" : 0, "blockedSubscriptionOnUnackedMsgs" : false, "msgDelayed" : 0, "unackedMessages" : 0, "type" : "Exclusive", "msgRateExpired" : 0.0, "consumers" : [ ], "isReplicated" : false }, "reader-16a9a5" : { "msgRateOut" : 0.0, "msgThroughputOut" : 0.0, "msgRateRedeliver" : 0.0, "msgBacklog" : 0, "blockedSubscriptionOnUnackedMsgs" : false, "msgDelayed" : 0, "unackedMessages" : 0, "type" : "Exclusive", "msgRateExpired" : 0.0, "consumers" : [ ], "isReplicated" : false }, "reader-61c774" : { "msgRateOut" : 0.0, "msgThroughputOut" : 0.0, "msgRateRedeliver" : 0.0, "msgBacklog" : 0, "blockedSubscriptionOnUnackedMsgs" : false, "msgDelayed" : 0, "unackedMessages" : 0, "type" : "Exclusive", "msgRateExpired" : 0.0, "consumers" : [ ], "isReplicated" : false } }, "replication" : { } } **Desktop (please complete the following information):** - OS: [e.g. iOS] linux pulsar 2.4.0
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