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From Sandesh Hegde <sand...@datatorrent.com>
Subject Re: How to set affinity between default unifier and its downstream operator
Date Fri, 30 Jun 2017 06:06:37 GMT
Why do you want unifier in the separate container?

To put the unifier in the separate container, set UNIFIER_SINGLE_FINAL to
true on the output port.

On Thu, Jun 29, 2017 at 10:56 PM Vivek Bhide <bhide.vivek@gmail.com> wrote:

> Hi
>
> My application is connecting to Kafka topic with 2 partitions and there are
> corresponding KafkaSinglePortInputOperator instances. Since there are more
> than 1 instances, as per apex functionality, application has a default
> unifier as a next downstream operator when deployed. Problem is unifier
> operator and next downstream operator, dedupoperator, (defined in
> populateDag as downstream operator to KafkaSinglePortInputOperator) are
> getting deployed in same container. How can I make sure that unifier and
> dedupoperator are getting their individual instances? I know that, ANTI
> AFFINITY rule can be set in populateDag but how to set that rule with an
> operator which is present only at the run time (unifier). Is there any
> provision to prevent this from happening?
>
> Regards
> Vivek
>
>
>
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