Broker does not honour flow-to-disk policy on recovery
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Key: QPID-2470
URL: https://issues.apache.org/jira/browse/QPID-2470
Project: Qpid
Issue Type: Bug
Components: C++ Broker
Affects Versions: 0.7
Reporter: Kim van der Riet
Assignee: Kim van der Riet
The broker implements a flow-to-disk strategy as a means of retaining message
content when a queue policy is exceeded. In this strategy, message content
(whether persistent or transient) is written to the store, then released from
memory. Before the message may be consumed, the message content must be
retrieved from the store.
If a broker is stopped while there is flow-to-disk content containing
persistent messages, then the broker fails to honour the policy when that
content is restored. The policy itself is recovered, however, all message
content is restored, even if it violates that policy. In cases where the
flow-to-disk content is greater than the available memory, the broker may
become unresponsive or fail in its recovery owing to memory starvation.
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