incubator-cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From aaron morton <aa...@thelastpickle.com>
Subject Re: Fp chance for column level bloom filter
Date Thu, 18 Jul 2013 09:38:32 GMT
It's dropped in 1.2, if that's a concern then probably a good reason to upgrade. 

https://issues.apache.org/jira/browse/CASSANDRA-5492

Cheers

-----------------
Aaron Morton
Cassandra Consultant
New Zealand

@aaronmorton
http://www.thelastpickle.com

On 18/07/2013, at 1:09 PM, Takenori Sato <tsato@cloudian.com> wrote:

> Hi,
> 
> I thought memory consumption of column level bloom filter will become a big concern when
a row becomes very wide like more than tens of millions of columns. 
> 
> But I read from source(1.0.7) that fp chance for column level bloom filter is hard-coded
as 0.160, which is very high. So seems not.
> 
> Is this correct?
> 
> Thanks,
> Takenori


Mime
View raw message