[Serusers] Dispatcher and a dynamic list file

Alistair Cunningham acunningham at integrics.com
Wed Aug 10 16:53:19 CEST 2005

Daniel-Constantin Mierla wrote:
> On 08/09/05 13:51, Alistair Cunningham wrote:
>> I've considered adding a call to ds_select_dst() to call 
>> ds_destroy_list(); ds_load_list() on each request with file locking. 
>> It looks like it should work. Has anyone implemented this? Does it 
>> work? Does it have a significant impact on performance?
> there is on the todo list to add support to reload the destination list 
> upon a fifo command or other external event. Destroying and reloading 
> the list for each request will have quite big performance impact, so it 
> is better to do it only when needed.

That would be fine. Any idea when this will be implemented?

>> I'd also be open to having the other process write to a database 
>> table, which then SER reads. I'm not sure what's the best mechanism 
>> within SER to look up the table - perhaps avpops? I'd even be willing 
>> write a new module to do it - 'dispatcher_db' perhaps, but this 
>> wouldn't be in the short future.
> Do you want a db lookup for each request, or when the server starts and 
> then use a cache?

Probably on each request, as the database would be updated behind SER's 
back by the monitoring process.

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