You'd have to call system.gc via JMX. https://issues.apache.org/jira/browse/CASSANDRA-2521 is open to address this, btw.
On Thu, May 26, 2011 at 1:09 PM, Konstantin Naryshkin <konstant...@a-bb.net> wrote: > I have a basic understanding of how Cassandra handles the file system > (flushes in Memtables out to SSTables, SSTables get compacted) and I > understand that old files are only deleted when a node is restarted, when > Java does a GC, or when Cassandra feels like it is running out of space. > > My question is, is there some way for us to hurry the process along? We have > a data that we do a lot of inserts into and then delete the data several > hours later. We would like it if we could free up disk space (since our > disks, though large, are shared with other applications). So far, the action > sequence to accomplish this is: > nodetoo flush -> nodetool repair -> nodetool compact -> ?? > > Is there a way for me to make (or even gently suggest to) Cassandra that it > may be a good time to free up some space? > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com
