Re: cleaning house

2010-04-20 Thread B. Todd Burruss
thx, that did the trick. Jonathan Ellis wrote: Added to http://wiki.apache.org/cassandra/MemtableSSTable: SSTables that are obsoleted by a compaction are deleted asynchronously when the JVM performs a GC. You can force a GC from jconsole if necessary but this is not necessary; Cassandra will f

Re: cleaning house

2010-04-20 Thread B. Todd Burruss
i have done no deletes, just inserts. so you are correct, there isn't any "data" to cleanup. however when i run some of the cleanup and/or compaction tasks the space used on disk actually grows, and i would like to force any unneeded files to be removed. as i write this, jonathan has respond

Re: cleaning house

2010-04-20 Thread Jonathan Ellis
Added to http://wiki.apache.org/cassandra/MemtableSSTable: SSTables that are obsoleted by a compaction are deleted asynchronously when the JVM performs a GC. You can force a GC from jconsole if necessary but this is not necessary; Cassandra will force one itself if it detects that it is low on sp

Re: cleaning house

2010-04-20 Thread Benjamin Black
Are you deleting data through the API or just doing a bunch of inserts and then running a compaction? The latter will not result in anything to clean up since data must be explicitly deleted. b On Tue, Apr 20, 2010 at 10:33 AM, B. Todd Burruss wrote: > i'm trying to draw some correlation betwe

cleaning house

2010-04-20 Thread B. Todd Burruss
i'm trying to draw some correlation between the size of my data and the space used on disk. i have set 1 so there isn't any reason to keep data around. my approach is this: after only doing "puts" to cassandra for a while i stop my client and want to perform the proper "cleanup" and/or "comp