Re: repair, compaction, and tombstone rows

2012-11-04 Thread Sylvain Lebresne
On Sat, Nov 3, 2012 at 10:23 PM, horschi hors...@gmail.com wrote: Do you mind if I ask where you stand on making... - ... ExpiringColumn not create any tombstones? Imo this could be safely done if the columns TTL is = gcgrace. Yes, if the TTL = gcgrace this would be safe and I'm pretty sure we

How does Cassandra optimize this query?

2012-11-04 Thread Edward Capriolo
If we create a column family: CREATE TABLE videos ( videoid uuid, videoname varchar, username varchar, description varchar, tags varchar, upload_date timestamp, PRIMARY KEY (videoid,videoname) ); The CLI views this column like so: create column family videos with column_type =

Re: How does Cassandra optimize this query?

2012-11-04 Thread Sylvain Lebresne
On Sun, Nov 4, 2012 at 7:49 PM, Edward Capriolo edlinuxg...@gmail.comwrote: CQL3 Allows me to search the second component of a primary key. Which really just seems to be component 1 of a composite column. So what thrift operation does this correspond to? This looks like a column slice