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https://issues.apache.org/jira/browse/ARTEMIS-2420?focusedWorklogId=279327&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-279327
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ASF GitHub Bot logged work on ARTEMIS-2420:
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Author: ASF GitHub Bot
Created on: 18/Jul/19 20:54
Start Date: 18/Jul/19 20:54
Worklog Time Spent: 10m
Work Description: PiotrKlimczak commented on issue #2760: ARTEMIS-2420
Adding support for DLA/DLQ prefix for wildcard addresses
URL: https://github.com/apache/activemq-artemis/pull/2760#issuecomment-512983300
OK so I am running all tests now so taking this time to write some design
documentation of what was implemented how and why.
Let's start with example configuration:
<address-setting match="#">
<dead-letter-address-auto-create prefix="DLA.">
<routing-type>AS_ORIGIN</routing-type>
<durable>true</durable>
<temporary>false</temporary>
</dead-letter-address-auto-create>
</address-setting>
<address-setting match="DLA.#">
<!-- DLA config goes here, as for standard addresses -->
</address-setting>
So how DLAs will behave, can be configured in standard way.
Also there is new routing type added for DLA addresses only: AS_ORIGIN.
This new type ensures that if you have multiple queues for address, the
message will go to corresponding DLQ only. So if you have address A1 with
queues Q1 and Q2, and Q2 consumption fails, the message will go only to DLA.Q2
DLQ and never to DLA.Q1.
This ensures predictive dead letter outcome if configured, as obviously
ANYCAST and MULTICAST (default) are also supported.
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Issue Time Tracking
-------------------
Worklog Id: (was: 279327)
Time Spent: 5h 50m (was: 5h 40m)
Remaining Estimate: 6h 10m (was: 6h 20m)
> Reimplementation of AMQ5 dead letter strategy queuePrefix
> ---------------------------------------------------------
>
> Key: ARTEMIS-2420
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2420
> Project: ActiveMQ Artemis
> Issue Type: Improvement
> Components: Broker
> Affects Versions: 2.9.0
> Reporter: Piotr Klimczak
> Priority: Major
> Original Estimate: 12h
> Time Spent: 5h 50m
> Remaining Estimate: 6h 10m
>
> ActiveMQ Classic supports DLQ prefixes for dynamically created destinations.
> This causes regression when switching from AMQ5 to AMQ Artemis, therefore it
> should be reimplemented.
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