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From Sávio S. Teles de Oliveira <savio.te...@cuia.com.br>
Subject Re: Read timeouts with ALLOW FILTERING turned on
Date Tue, 05 Aug 2014 18:04:56 GMT
How much did you reduce *read_request_timeout_in_ms* on your local machine?
Cassandra timeout during read query is higher than one machine because
Cassandra server must run the read operation in more servers (so you have
network traffic).


2014-08-05 14:54 GMT-03:00 Robert Coli <rcoli@eventbrite.com>:

> On Tue, Aug 5, 2014 at 10:01 AM, Clint Kelly <clint.kelly@gmail.com>
> wrote:
>
>> Allow me to rephrase a question I asked last week.  I am performing some
>> queries with ALLOW FILTERING and getting consistent read timeouts like the
>> following:
>>
>
> ALLOW FILTERING should be renamed PROBABLY TIMEOUT in order to properly
> describe its typical performance.
>
> As a general statement, if you have to ALLOW FILTERING, you are probably
> Doing It Wrong in terms of schema design.
>
> A correctly operated cluster is unlikely to need to increase the default
> timeouts. If you find yourself "needing" to do so, you are, again, probably
> Doing It Wrong.
>
> =Rob
>



-- 
Atenciosamente,
Sávio S. Teles de Oliveira
voice: +55 62 9136 6996
http://br.linkedin.com/in/savioteles
Mestrando em Ciências da Computação - UFG
Arquiteto de Software
CUIA Internet Brasil

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