On Sat, Mar 25, 2017 at 2:54 PM, Mike Percy <mpe...@apache.org> wrote:
> Kudu currently relies on local storage on a POSIX file system. Right now > there is no support for S3, which would be interesting but is non-trivial > in certain ways (particularly if we wanted to rely on S3's replication and > disable Kudu's app-level replication). > > I would suggest using only either EXT4 or XFS file systems for production > deployments as of Kudu 1.3, in a JBOD configuration, with one SSD per > machine for the WAL and with the data disks on either SATA or SSD drives > depending on the workload. Anything else is untested AFAIK. > I would amend this and say that SSD for the WAL is nice to have, but not a requirement. We do lots of testing on non-SSD test clusters and I'm aware of many production clusters which also do not have SSD. -Todd -- Todd Lipcon Software Engineer, Cloudera
