I would recommend using RAID-0 rather that multiple data directories. -ryan
2010/4/26 Roland Hänel <rol...@haenel.me>: > I have a configuration like this: > > <DataFileDirectories> > <DataFileDirectory>/storage01/cassandra/data</DataFileDirectory> > <DataFileDirectory>/storage02/cassandra/data</DataFileDirectory> > <DataFileDirectory>/storage03/cassandra/data</DataFileDirectory> > </DataFileDirectories> > > After loading a big chunk of data into cassandra, I end up wich some 70GB in > the first directory, and only about 10GB in the second and third one. All > rows are quite small, so it's not just some big rows that contain the > majority of data. > > Does Cassandra have the ability to 'see' the maximum available space in > these directory? I'm asking myself this question since my limit is 100GB, > and the first directory is approaching this limit... > > And, wouldn't it be better if Cassandra tried to 'load-balance' the files > inside the directories because this will result in better (read) performance > if the directories are on different disks (which is the case for me)? > > Any help is appreciated. > > Roland > >
