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https://issues.apache.org/jira/browse/SYNAPSE-608?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Supun Kamburugamuva updated SYNAPSE-608:
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Attachment: SYNAPSE-608.patch
Attaching a improved patch.
> Priority based mediation
> ------------------------
>
> Key: SYNAPSE-608
> URL: https://issues.apache.org/jira/browse/SYNAPSE-608
> Project: Synapse
> Issue Type: New Feature
> Reporter: Supun Kamburugamuva
> Attachments: SYNAPSE-608.patch
>
>
> Priority based mediation allows users to execute sequences with a given
> priority. This is important when there is a high volume of traffic going
> through synapse which require different processing capabilities.
> First I'll explain the problem.
> Lets assume we have two types of messages coming in to the ESB. One type of
> message(P1) is very important and other type(P2) is not that important. User
> can afford to loose some of the P2 messages occasionally. Load
> characteristics of both messages change over time. Some time lots of P1 and
> few P2 messages can come. Sometimes lots of P2 messages with few P2 messages
> can come. Sometimes lots of P1 and P2 messages can come.
> In all these scenarios synapse should be able to guarantee the processing of
> P1 messages, even if it loose some P2 messages.
> To get this functionality in to ESB, we have implemented this feature in to
> synapse at two different levels. They are at HTTP transport level and
> mediation level.
> In the mediation level user can filter the messages using normal synapse
> capabilities for determining the priority and execute a sequence with a given
> priority.
> In the transport level there is a configuration to determine the priority
> from HTTP properties and execute the sequences accordingly.
> This feature is totally optional.
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