Gary Tully created AMQ-6824:
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Summary: PrefetchExtension growth with transacted consumers
Key: AMQ-6824
URL: https://issues.apache.org/jira/browse/AMQ-6824
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 5.15.0
Reporter: Gary Tully
Assignee: Gary Tully
Fix For: 5.16.0
With a transacted consumer on either a topic or queue the prefetch extension
increments only. This leads to flow control failing b/c the subscription is
never full. Messages can accumulate on the subscription dispatch channel if the
consumer is blocked or slow. As a result, memory usage limits can be exceeded
for topics.
There is a similar issue with client_ack mode and prefetch.
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