cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Alain RODRIGUEZ <arodr...@gmail.com>
Subject Re: counter columns question
Date Wed, 14 Mar 2012 11:52:27 GMT
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
>
>
>
>

Mime
View raw message