Re: Column Family row keys

2011-10-18 Thread Tyler Hobbs
On Tue, Oct 18, 2011 at 4:30 PM, Jonathan Ellis wrote: > On Tue, Oct 18, 2011 at 4:10 PM, Tyler Hobbs wrote: > > * You'll get range ghosts > > (http://wiki.apache.org/cassandra/FAQ#range_ghosts) with column_count=0. > > You can avoid them if you set column_count=1. > > What heuristic do you us

Re: Column Family row keys

2011-10-18 Thread Jonathan Ellis
On Tue, Oct 18, 2011 at 4:10 PM, Tyler Hobbs wrote: >   * You'll get range ghosts > (http://wiki.apache.org/cassandra/FAQ#range_ghosts) with column_count=0. > You can avoid them if you set column_count=1. What heuristic do you use for skipping empty rows? -- Jonathan Ellis Project Chair, Apache

Re: Column Family row keys

2011-10-18 Thread Tyler Hobbs
A couple of notes: * You need to use the master branch (not the most recent release) if you want to use get_range() with column_count=0 and get any results. * You'll get range ghosts ( http://wiki.apache.org/cassandra/FAQ#range_ghosts) with column_count=0. You can avoid them if you set column_

Re: Column Family row keys

2011-10-18 Thread aaron morton
There no first class support for just getting row keys, you will always want to get a column. You can fake it by requesting zero columns. Cheers - Aaron Morton Freelance Developer @aaronmorton http://www.thelastpickle.com On 19/10/2011, at 3:53 AM, David Fischer(Gtalk) wrote: