Hi,
On Mon, Mar 20, 2017 at 11:02 AM, Sinthuja Ragendran <sinth...@wso2.com>
wrote:
> Hi,
>
> As the receiver configurations are deployable artefacts, those will be
> active when the tenant is loaded. One approach is to have all tenants
> loaded indefinitely. I think this will have high memory. And therefore we
> internally discussed below approach to handling this problem.
>
> Instead of having multiple MQTT receiver configurations per tenant to
> handle this, implement a specialised/privileged MQTT event receiver which
> could handle multiple subscriptions on behalf of tenants, and it's only
> deployable in the super tenant mode. In that case, this event receiver will
> have the topic URI with {tenantDomain} placeholder and it is used to
> subscribe to the specific tenanted topic. And then, based on which topic
> the event has arrived the tenant flow will be started and an event will be
> inserted into specific tenant space. By this way, only the tenants which
> are actively used/sending events will be loaded, and not all tenants are
> required to be loaded.
>
> Please share your thoughts on this. Also, AFAIR we had the similar
> requirement for Task execution. @Anjana, how are we handling that?
>
Yes, the tasks and their definitions are stored in the super tenant space.
So they get triggered appropriately, and as required, any tenant specific
resources would be loaded by the task implementation.
Cheers,
Anjana.
>
> Thanks,
> Sinthuja.
>
> On Mon, Mar 20, 2017 at 10:50 AM, Jasintha Dasanayake <jasin...@wso2.com>
> wrote:
>
>> HI All
>>
>> When DAS working in tenant mode and a particular tenant has MQTT
>> receivers, those cannot be activated once tenants get unloaded. For an
>> example , if I restart the DAS then those tenants specific MQTT receivers
>> are not loaded unless we explicitly load that particular tenant. IMO,
>> expected behavior would be, those receivers should be loaded and subscribed
>> to a particular topic without loading the tenants explicitly.
>>
>> Are there any known mechanism to address this particular problem ?
>>
>> Thanks and Regards
>> /jasintha
>>
>> --
>>
>> *Jasintha Dasanayake**Associate Technical Lead*
>>
>> *WSO2 Inc. | http://wso2.com <http://wso2.com/>lean . enterprise .
>> middleware*
>>
>>
>> *mobile :- 0711-368-118 <071%20136%208118>*
>>
>
>
>
> --
> *Sinthuja Rajendran*
> Technical Lead
> WSO2, Inc.:http://wso2.com
>
> Blog: http://sinthu-rajan.blogspot.com/
> Mobile: +94774273955 <077%20427%203955>
>
>
>
--
*Anjana Fernando*
Associate Director / Architect
WSO2 Inc. | http://wso2.com
lean . enterprise . middleware
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