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From "james strachan (JIRA)" <j...@activemq.org>
Subject [jira] Commented: (AMQ-394) for non-durable topics add a configurable Policy to drop messages from slow consumers
Date Fri, 07 Apr 2006 16:11:22 GMT
    [ http://jira.activemq.org/jira//browse/AMQ-394?page=comments#action_35906 ] 

james strachan commented on AMQ-394:
------------------------------------

Agreed = this is quite a popular feature request.

We've currently got a MessageEvictionStrategy which can be applied in the <policyMap>
on a specific destination or hierarchy; which lets you decide which messages to evict, such
as the oldest or the lowest priority etc.

A missing feature right now is evicting all the expired messages; we should have that done
soon

> for non-durable topics add a configurable Policy to drop messages from slow consumers
> -------------------------------------------------------------------------------------
>
>          Key: AMQ-394
>          URL: http://jira.activemq.org/jira//browse/AMQ-394
>      Project: ActiveMQ
>         Type: New Feature

>   Components: Broker
>     Reporter: james strachan
>      Fix For: 4.1

>
>
> e.g. for market data pricing we may wish to only allow say 1000 pending messages but
discard old messages rather than have things back up. Similarly we may wish to do something
like remove old price changes for the same stock and just keep around the latest prices.
> So some kind of pluggable policy on the non-durable topic subscription would be a good
idea, letting users customize this behaviour.
> Maybe some FlowControlPolicy or something?

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