Re: [RELEASE] Apache Cassandra 0.8.5 released

2011-09-08 Thread Helder Oliveira
Congrats guys! On Sep 8, 2011, at 1:37 PM, Dikang Gu wrote: > Congratulations! > > On Thu, Sep 8, 2011 at 8:15 PM, Sylvain Lebresne wrote: > The Cassandra team is pleased to announce the release of Apache Cassandra > version 0.8.5. > > Cassandra is a highly scalable second-generation distribu

hw requirements

2011-08-29 Thread Helder Oliveira
Hello guys, What is the type of profile of a cassandra server. Are SSD an option ? Does cassandra needs better CPU ou lots of memory ? Are SATA II disks ok ? I am making some tests, and i started evaluating the possible hardware. If someone already has conclusions about it, please share :D Than

Re: help creating data model

2011-08-25 Thread Helder Oliveira
written. > > Cheers > > > - > Aaron Morton > Freelance Cassandra Developer > @aaronmorton > http://www.thelastpickle.com > > On 25/08/2011, at 1:15 AM, Helder Oliveira wrote: > >> Thanks Indranath Ghosh for your tip! >> >> I w

Re: help creating data model

2011-08-24 Thread Helder Oliveira
here is no issues with > concurrent modifications) I would recommend this… > > Request / Event CF: > > key: session_id/events or session_id/requests > column_name: event_id or session_id > column_value: data > > > Start with the simple model and then make changes t

help creating data model

2011-08-22 Thread Helder Oliveira
Hello all, i have a SQL structure like this: Visitant ( has several properties ) Visitant has many Sessions Sessions ( has several properties ) Sessions has many Requests ( has several properties ) Sessions has many Events ( has several properties ) i have read a lot and still confused how to p