incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Tyler Hobbs <ty...@datastax.com>
Subject Re: Read performance in map data type
Date Fri, 04 Apr 2014 18:53:07 GMT
http://www.datastax.com/documentation/developer/java-driver/2.0/java-driver/tracing_t.html


On Fri, Apr 4, 2014 at 11:34 AM, Apoorva Gaurav
<apoorva.gaurav@myntra.com>wrote:

>
>
> On Fri, Apr 4, 2014 at 9:37 PM, Tyler Hobbs <tyler@datastax.com> wrote:
>
>>
>> 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?
>>
> How can I enable that
>
>>
>>
>>
>> --
>> Tyler Hobbs
>> DataStax <http://datastax.com/>
>>
>
>
>
> --
> Thanks & Regards,
> Apoorva
>



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

Mime
View raw message