I currently have a web application utilizing RSB & RQ. all is working,
however we discovered an issue where no activity (user input) means no
calculations. over the period of days data is not calculated.
Resolution: Create a windows service to run daily that runs the
calculations every day. Should be simple enough, however I do not seem
to understand the semantics of RSB and RQ to get this working
properly. Up until now my use of RSB has been contained within a
single project deployment. Now I need to communicate across projects
(web to service).
Here are my thoughts:
1. Web will update database directly with user input then send a
message to start a specific calculation.
2. Service will receive the message and process.
3. Using a timer the service will also calculate all calculations in
the early morning hours.
4. The web does not need to be concerned with receiving a reply from
the windows service (fire and forget).
Questions:
1. Do I need to start the bus for both the windows service and the
website, or can I just start the bus on the windows service? It
appears I need to start it on both, why is that?
2. Can I use RQ across multiple projects/deployments on the same box?
3. Using RQ and staring the service in both applications would create
the message databases in directories of both the web and windows
service. How would this work with sending messages to the proper queue
to be processed? it seems they would operate independently of one
another.
4. Because the services will be hosted on the same server would the RQ
Uri's be the same? here is my current configuration for both
applications
----------------------------------------------------------------
<facility id="bus for windows service">
<bus
name="XYZ"
threadCount="3"
numberOfRetries="5"
endpoint="rhino.queues://localhost/xyz" />
<messages>
<add
name="xyz.Messages"
endpoint="rhino.queues://localhost/xyz" />
</messages>
</facility>
----------------------------------------------------------------
<facility id="bus for website">
<bus
name="XYZ"
threadCount="3"
numberOfRetries="5"
endpoint="rhino.queues://localhost/xyz" />
<messages>
<add
name="xyz.Messages"
endpoint="rhino.queues://localhost/xyz" />
</messages>
</facility>
----------------------------------------------------------------
is this correct? if not what changes do I need to make?
5. should I change 'localhost' to the actual host name for testing or
deployment?
6. is there anything else I should know about my setup (good/bad/
problematic)?
thank you in advance
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