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I don't recall. It might be that I started with PG=2.
Trying get an even distribution of PGs accros my 2 OSDs now. Tried different numbers (keeping pgp_num same as pg_num :) but I keep getting one OSD with more PGs compared to the other. Since this is just for learning/testing I would like to somehow make it evenly distributed. What's the easiest/quickest way to accomplish that ? (if possible) Also, is there a command to show the space used on each OSD by each pool ? I found the space by pool, or by OSD, but no easy way to combine the 2 ways of looking at space used Have a nice day, Dani > Date: Wed, 28 Aug 2013 13:28:29 -0700 > Subject: Re: Reading from replica > From: greg@xxxxxxxxxxx > To: daniel_pol@xxxxxxxxxxx > CC: ceph-users@xxxxxxxxxxxxxx > > On Wed, Aug 28, 2013 at 1:22 PM, daniel pol <daniel_pol@xxxxxxxxxxx> wrote: > > Sorry, my bad. Only my second post and forgot the "reply all" > > > > Thanks for the info. I'm looking at the impact of pg number on performance. > > Just trying to learn more about how Ceph works. > > I didn't set pgp_num. It came by default with 2 in my case. > > Did you start the pool with 2 PGs? If not, that's...odd. You can > update it with "ceph osd pool set" (see > http://ceph.com/docs/master/rados/operations/control/). > -Greg > Software Engineer #42 @ http://inktank.com | http://ceph.com |
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