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From Tyler Hobbs <ty...@datastax.com>
Subject Re: Read performance in map data type
Date Fri, 04 Apr 2014 16:07:26 GMT
On Fri, Apr 4, 2014 at 12:41 AM, Apoorva Gaurav
<apoorva.gaurav@myntra.com>wrote:

> If we store the same data as a json using text data type i.e (studentID
> int, subjectMarksJson text) we are getting a latency of ~10ms from the same
> client for even bigger. I understand that json is not the preferred storage
> for cassandra and will loose various flexibility which a proper tabular
> approach provides. But such a huge jump in read latency is killer. I'm
> pastebin-ing the histogram for json storage as well
> http://pastebin.com/RiW6hMb2.
>

Can you trace the slow query and paste the results?


-- 
Tyler Hobbs
DataStax <http://datastax.com/>

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