cassandra-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From aaron morton <aa...@thelastpickle.com>
Subject Re: urgent
Date Mon, 04 Apr 2011 12:14:03 GMT
Using a single directory will make be the most efficient use of space, multi directories are
useful when you accidentally run out of space http://www.mail-archive.com/user@cassandra.apache.org/msg07874.html

Can you put the SSD's in a stripe set ? 

Also this may be of interest http://www.bitplumber.net/2010/10/a-cassandra-hardware-stack-dell-c1100s-ocz-vertex-2-ssds-with-sandforce-arista-7048s/

Aaron

On 4 Apr 2011, at 02:32, Anurag Gujral wrote:

> Now it is using all the three disks . I want to understand why recommended approach is
to use
> one single large volume /directory and not multiple ones,can you please explain in detail.
> I am using SSDs using  three small ones is cheaper than using one large one.
> Please Suggest
> Thanks
> Anurag
> 
> On Sun, Apr 3, 2011 at 7:31 AM, aaron morton <aaron@thelastpickle.com> wrote:
> Is this still a problem ? Are you getting errors on the server ?
> 
> It should be choosing the directory with the most space.
> 
> btw, the recommended approach is to use a single large volume/directory for the data.
> 
> Aaron
> 
> On 2 Apr 2011, at 01:56, Anurag Gujral wrote:
> 
> > Hi All,
> >           I have setup a cassandra cluster with three data directories but cassandra
is using only one of them and that disk is out of space
> > and .Why is cassandra not using all the three data directories.
> >
> > Plz Suggest.
> >
> > Thanks
> > Anurag
> 
> 


Mime
View raw message