codelipenghui commented on a change in pull request #9789:
URL: https://github.com/apache/pulsar/pull/9789#discussion_r587924752
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File path: conf/broker.conf
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@@ -275,6 +275,9 @@ maxUnackedMessagesPerBroker=0
# limit/2 messages
maxUnackedMessagesPerSubscriptionOnBrokerBlocked=0.16
+# Broker periodically checks if subscription is stuck and unblock if flag is
enabled. (Default is disabled)
+unblockStuckSubscriptionEnabled=false
Review comment:
From the description of the flag, the broker will periodically check if
stuck and unblock, Should we inform users what is the default frequency and how
to change the frequency.
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