Except that for a major compaction the whole thing gets put in one directory. That's the problem w/ the JBOD approach.
On Thu, Mar 11, 2010 at 12:01 PM, Eric Evans <eev...@rackspace.com> wrote: > On Wed, 2010-03-10 at 23:20 -0600, Jonathan Ellis wrote: >> On Wed, Mar 10, 2010 at 9:31 PM, Anthony Molinaro >> <antho...@alumni.caltech.edu> wrote: >> > I would almost >> > recommend just keeping things simple and removing multiple data >> directories >> > from the config altogether and just documenting that you should plan >> on using >> > OS level mechanisms for growing diskspace and io. >> >> I think that is a pretty sane suggestion actually. > > Or maybe leave the code as is and just document the situation more > clearly? If you're adding more disks to increase storage capacity and > you don't strictly need the extra IO, then multiple data directories > might be preferable to other forms of aggregation (it's certainly > simpler than say a volume manager). > > -- > Eric Evans > eev...@rackspace.com > >