[jira] [Closed] (AMQ-3394) Better Fault Tolerance

["Timothy Bish (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMQ-3394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Timothy Bish closed AMQ-3394.
-----------------------------

    Resolution: Not A Problem

Configuration issue.

> Better Fault Tolerance
> ----------------------
>
>                 Key: AMQ-3394
>                 URL: https://issues.apache.org/jira/browse/AMQ-3394
>             Project: ActiveMQ
>          Issue Type: New Feature
>          Components: Broker
>    Affects Versions: 5.5.0
>            Reporter: Darren Govoni
>
> Other queue technologies provide a manner of fault tolerance missing from AMQ message semantics.
> That is, messages can be acknowledged at any time by a client. Failing to do so within the messages TTL, should result in the message re-appearing on the queue so another client can re-try it.
> Reliable messaging with AMQ currently pertains to only message receipt, but in practical systems distributing work via a queue this is unsufficient semantics to ensure tolerance of faults "during" work processing. In that case, clients will only acknowledge a message in the event of successful processing of that message (left to the client to decide). If the client were to suffer a fatality during processing, the work associated with the message is left undone in the current AMQ because it cannot be re-processed. In these extreme (but not uncommon) fault conditions, it is not possible for the client to "re-queue" the message. 
> Combining TTL, re-queue behavior (in the Broker) and INDIVIDUAL_ACKNOWLEDGE (on the client) of messages should achieve the desired increase in fault-tolerance described here.

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