Probably. Can you open a ticket? On Mon, Jul 12, 2010 at 10:41 PM, Todd Burruss <bburr...@real.com> wrote: > Is it possible to get this feature in 0.7? > > > > -----Original Message----- > From: Jonathan Ellis [jbel...@gmail.com] > Received: 7/12/10 5:06 PM > To: user@cassandra.apache.org [u...@cassandra.apache.org] > Subject: Re: GCGraceSeconds per ColumnFamily/Keyspace > > GCGS per CF sounds totally reasonable to me. > > On Mon, Jul 12, 2010 at 6:33 PM, Todd Burruss <bburr...@real.com> wrote: >> I have two CFs in my keyspace. one i care about allowing a good amount of >> time for tombstones to propagate (GCGraceSeconds large) ... but the other i >> couldn't care and in fact i want them gone ASAP so i don't iterate over >> them. has any thought been given to making this setting per Keyspace or per >> ColumnFamily? >> >> my scenario is that i add columns to rows in one CF, UserData, with >> logging data or activity, but we only want to keep, say 5000 columns per >> user. So i also store the user's ID in another CF, PruneCollection, and >> periodically iterate over it using the IDs found in PruneCollection to >> "prune" the columns in UserData - and then immediately delete the ID from >> PruneCollection. if the code is adding, say 50 IDs per second to >> PruneCollection then the number of deleted keys starts to build up, forcing >> my iterator to skip over large amounts of deleted keys. With a small >> GCGraceSeconds these keys are removed nicely, but i can't do that because it >> affects the tombstones in UserData as well, which need to be propagated. >> >> thoughts? > > > > -- > Jonathan Ellis > Project Chair, Apache Cassandra > co-founder of Riptano, the source for professional Cassandra support > http://riptano.com >
-- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com