http://wiki.apache.org/cassandra/MemtableSSTable
On Sat, May 21, 2011 at 3:40 AM, Jonathan Colby <jonathan.co...@gmail.com> wrote: > > On each of our nodes we have an average of 80 - 100 GB actual cassandra data > on 1 TB disks. There is normally plenty of capacity on the nodes. Swap is > OFF. OS is Debian 64 bit. > > Every once in a while, the disk usage will skyrocket to 500+ GB, even once > filling up the 1 TB disk (at least according to linux df). > > The thing is, after restarting the cassandra daemon, the disk usage correctly > reflects the actual data usage. > > What could be causing this massive temporary disk allocation? > > Is it malloc? Is this an indication that something is not configured > correctly? Is this a bug? > > Any help would be appreciated! > > Jon > > > > -- Jonathan Ellis Project Chair, Apache Cassandra co-founder of DataStax, the source for professional Cassandra support http://www.datastax.com