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From aaron morton <aa...@thelastpickle.com>
Subject Re: counter column family
Date Wed, 04 Apr 2012 18:43:41 GMT
You may have better luck with Hector specific questions on the Hector User Group https://groups.google.com/forum/?fromgroups#!forum/hector-users

Cheers
 
-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 4/04/2012, at 5:54 PM, Tamar Fraenkel wrote:

> Hi!
> So, if I am using Hector, I need to do:
> cassandraHostConfigurator.setRetryDownedHosts(false)?
> 
> How will this affect my application generally?
> 
> Thanks
> 
> Tamar Fraenkel 
> Senior Software Engineer, TOK Media 
> 
> <tokLogo.png>
> 
> tamar@tok-media.com
> Tel:   +972 2 6409736 
> Mob:  +972 54 8356490 
> Fax:   +972 2 5612956 
> 
> 
> 
> 
> 
> On Tue, Mar 27, 2012 at 4:25 PM, R. Verlangen <robin@us2.nl> wrote:
> You should use a connection pool without retries to prevent a "single" increment of +1
have a result of e.g. +3.
> 
> 
> 2012/3/27 Rishabh Agrawal <rishabh.agrawal@impetus.co.in>
> You can even define how much increment you want. But let me just warn you, as far my
knowledge, it has consistency issues.
> 
>  
> From: puneet loya [mailto:puneetloya@gmail.com] 
> Sent: Tuesday, March 27, 2012 5:59 PM
> 
> 
> To: user@cassandra.apache.org
> Subject: Re: counter column family
> 
>  
> thanxx a ton :) :)
> 
>  
> the counter column family works synonymous as 'auto increment' in other databases rite?
> 
>  
> I mean we have a column of  type integer which increments with every insert.
> 
>  
> Am i goin the rite way??
> 
>  
> please reply :)
> 
> On Tue, Mar 27, 2012 at 5:50 PM, R. Verlangen <robin@us2.nl> wrote:
> 
> create column family MyCounterColumnFamily with default_validation_class=CounterColumnType
and key_validation_class=UTF8Type and comparator=UTF8Type; 
> 
>  
> There you go! Keys must be utf8, as well as the column names. Of course you can change
those validators.
> 
>  
> Cheers!
> 
>  
> 2012/3/27 puneet loya <puneetloya@gmail.com>
> 
> Can u give an example of create column family with counter column in it. 
> 
>  
>  
> Please reply
> 
>  
>  
> Regards,
> 
>  
> Puneet Loya
> 
> 
> 
>  
> -- 
> With kind regards,
> 
>  
> Robin Verlangen
> 
> www.robinverlangen.nl
> 
>  
>  
> 
> 
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> 
> -- 
> With kind regards,
> 
> Robin Verlangen
> www.robinverlangen.nl
> 
> 


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