Persistant Dead Letter Channel to avoid memory consumption between retries
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Key: CAMEL-4575
URL: https://issues.apache.org/jira/browse/CAMEL-4575
Project: Camel
Issue Type: New Feature
Components: camel-core
Reporter: Jean-Baptiste Onofré
Fix For: 2.8.3, 2.9.0
When using a DeadLetterChannel, the messages are stored in memory between the
retries (redeliveries). They are flushed from the memory only when we get the
maximumRedeliveries value.
It means that we can have an important memory consumption, because the messages
are memory resident for a long time when:
- if we have an important maximumRedeliveries, especially if we have -1
- if we have an important redeliveryDelay
I propose to create a PersistentDeadLetterChannel, working like the
DeadLetterChannel, but, between redeliveries, the messages are flushed to a
persistent store (filesystem, JMQ queue, JDBC, ...).
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