"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?"
Disregarding what's been said and until ref-counting is implemented this is a useful tool to gently suggest cleanup: https://github.com/ceocoder/jmxgc On Thu, May 26, 2011 at 2:09 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? > -- http://twitter.com/tjake
