It's conceivable that one of the faster USB 3.0 sticks would be sufficient for this. I wouldn't exactly call it an "enterprise" configuration, but it's worth considering. Keep in mind that if you are comfortable using your RF for durability, you can turn off durable_writes on your keyspace and not write to the commitlog at all.
On Sat, Nov 16, 2013 at 11:05 AM, Philippe <watche...@gmail.com> wrote: > Hi david, we tried it two years ago and the performance of the USB stick > was so dismal we stopped. > Cheers > Le 16 nov. 2013 15:13, "David Tinker" <david.tin...@gmail.com> a écrit : > > Our hosting provider has a cost effective server with 2 x 4TB disks >> with a 16G (or 64G) USB thumb drive option. Would it make sense to put >> the Cassandra commit log on the USB thumb disk and use RAID0 to use >> both 4TB disks for data (and Ubuntu 12.04)? >> >> Anyone know how long USB flash disks last when use for a write heavy >> workload like this? >> >> Please tell me if this is a really bad idea. >> >> Our alternative is to use one 4TB disk for commit log and one for >> data. Of course this will give us only half the space. >> >> Thanks >> David >> >
