M Rahimi created AMQ-6000:
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Summary: Pause/resume feature of ActiveMQ not resuming properly
Key: AMQ-6000
URL: https://issues.apache.org/jira/browse/AMQ-6000
Project: ActiveMQ
Issue Type: Sub-task
Components: Broker, JMX
Affects Versions: 5.12.0
Reporter: M Rahimi
Fix For: 5.12.0
The problem is that, when you *resume* the message delivery,
# If there is a message entering the queue: the broker will immediately send
the pending messages to the consumer which is totally OK.
# But if no message _enters_ the queue: the pending messages in the queue will
not be sent to the consumers until the expiration checking is performed on the
queue (which by default is 30 seconds and can be controlled by the
_expireMessagesPeriod_ attribute) and non-expired messages will be sent to the
consumers afterwards.
Obviously we can change the _expireMessagesPeriod_ to limit this delay, but
when you need a milisec precision, performing the expiration check every
milisec will not make sense.
How is it possible to force the queue to start sending messages immediately
after resumption?
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