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From Tamar Fraenkel <ta...@tok-media.com>
Subject Re: counter columns question
Date Wed, 14 Mar 2012 15:21:22 GMT
Thanks!
*Tamar Fraenkel *
Senior Software Engineer, TOK Media

[image: Inline image 1]

tamar@tok-media.com
Tel:   +972 2 6409736
Mob:  +972 54 8356490
Fax:   +972 2 5612956





On Wed, Mar 14, 2012 at 1:52 PM, Alain RODRIGUEZ <arodrime@gmail.com> wrote:

> Here you got a good explaination of how the counters work.
>
> Video : http://blip.tv/datastax/counters-in-cassandra-5497678
> Sildes :
> http://www.datastax.com/wp-content/uploads/2011/07/cassandra_sf_counters.pdf
>
> I think it will answer your question and help you understanding
> interesting things about counters.
>
> If you need a short answer, it concurrency will be handled nicely and
> you'll have the expected result.
>
> Alain
>
> 2012/3/14 Tamar Fraenkel <tamar@tok-media.com>
>
>> Hi!
>>
>> My apologies for the naive question, but I am new to Cassandra and even
>> more to counter columns.
>>
>> If I have a counter column, what happens if two threads are trying to
>> increment it's value at the same time for the same key?
>>
>> Thanks,
>>
>> *Tamar Fraenkel *
>> Senior Software Engineer, TOK Media
>>
>> [image: Inline image 1]
>>
>> tamar@tok-media.com
>> Tel:   +972 2 6409736
>> Mob:  +972 54 8356490
>> Fax:   +972 2 5612956
>>
>>
>>
>>
>

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