That's right. If you're not using Spark, you can ignore
spark-defaults.conf. The nodes will still need to be Hazelcast clustered
however.

On Thu, 19 Jul 2018 at 13:47, Shazni Nazeer <[email protected]> wrote:

> Thanks, Gokul.
>
> If I get it right, I need to worry about spark-defaults.conf only if I
> have batch analytics in place, right? Otherwise, is it sufficient to
> configure the event-processor.xml HA mode?
>
> On Thu, Jul 19, 2018 at 11:43 AM Gokul Balakrishnan <[email protected]>
> wrote:
>
>> Hi Shazni,
>>
>> If you need no Spark functionality, you can skip setting up the Spark
>> cluster, and concentrate only on the real-time aspects. This way, both
>> Spark nodes will simply act as independent processing units. However, this
>> is not a feasible model of operation if/when you need batch analytics
>> capabilities.
>>
>> The same applies to indexing (interactive analytics) as well.
>>
>> To go one step further, you can start up both DAS nodes as Receiver
>> nodes. When this is done, only the event receivers and the Siddhi runtimes
>> will be active, and the Spark- & Indexing- related bundles will not be
>> active at all. Again, if you need to do any batch analytics or indexing,
>> this mode will not be sufficient.
>>
>> Best,
>>
>> On Thu, 19 Jul 2018 at 13:36, Shazni Nazeer <[email protected]> wrote:
>>
>>> I want to configure minimum HA between two DAS nodes. I only have CEP
>>> artifacts in the DAS. Is it necessary to do spark related configurations as
>>> is mentioned in the following doc in that case? Is it fine to skip that
>>> configuration since I do not have any batch scripts?
>>>
>>> [1]
>>> https://docs.wso2.com/display/DAS320/Configuring+a+Minimum+High+Availability+Cluster
>>>
>>> --
>>> Shazni Nazeer
>>>
>>> Mob : +94 777737331
>>> LinkedIn : http://lk.linkedin.com/in/shazninazeer
>>>
>>> Blogs :
>>>
>>> https://medium.com/@mshazninazeer
>>> http://shazninazeer.blogspot.com
>>>
>>> <http://wso2.com/signature>
>>>
>>
>>
>> --
>> Gokul Balakrishnan
>> Associate Lead Solutions Engineer
>> WSO2, Inc.  |  http://wso2.com
>> M +94 77 593 5789  |  P +94 11 214 5345
>>
>>
>> <http://wso2.com/signature>
>>
>
>
> --
> Shazni Nazeer
>
> Mob : +94 777737331
> LinkedIn : http://lk.linkedin.com/in/shazninazeer
>
> Blogs :
>
> https://medium.com/@mshazninazeer
> http://shazninazeer.blogspot.com
>
> <http://wso2.com/signature>
>


-- 
Gokul Balakrishnan
Associate Lead Solutions Engineer
WSO2, Inc.  |  http://wso2.com
M +94 77 593 5789  |  P +94 11 214 5345


<http://wso2.com/signature>
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