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From Erick Erickson <>
Subject Re: Using of Streaming to join between shards
Date Fri, 23 Jun 2017 16:56:34 GMT
You've provided no information to help guide an answer and even with
more information there are too many variables to say definitively.

There are quite a number of Streaming join options, see:
You'll have to do some exploration of the various ones mentioned on
that page as they pertain to your particular use case.


On Fri, Jun 23, 2017 at 8:04 AM, mganeshs <> wrote:
> Hi,
> So far we had only one shards so joins are working fine. And now as our data
> is growing, we would like to go for new shards and we would like to go with
> only default sharding mechanism for various reasons.
> Due to this, join will fail. as it's not supported if we have more than one
> shards.
> For this reason we are planning to use join.
> Can you suggest whether streaming can be used like we used join before ?
> Will there be any penalty wrt response time and CPU utilization ?
> Currently we are using simple join which is like one to one mapping sort of
> join. For this when I move to Streaming, What kind of join Should I go for ?
> hashJoin or leftOuterJoin or innerJoin etc ?
> Pls suggest,
> --
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