On Thu, Aug 27, 2015 at 3:01 PM, Wido den Hollander <wido@xxxxxxxx> wrote: > On 08/26/2015 05:17 PM, Yehuda Sadeh-Weinraub wrote: >> On Wed, Aug 26, 2015 at 6:26 AM, Gregory Farnum <gfarnum@xxxxxxxxxx> wrote: >>> On Wed, Aug 26, 2015 at 9:36 AM, Wido den Hollander <wido@xxxxxxxx> wrote: >>>> Hi, >>>> >>>> It's something which has been 'bugging' me for some time now. Why are >>>> RGW pools prefixed with a period? >>>> >>>> I tried setting the root pool to 'rgw.root', but RGW (0.94.1) refuses to >>>> start: >>>> >>>> ERROR: region root pool name must start with a period >>>> >>>> I'm sending pool statistics to Graphite and when sending a key like this >>>> you 'break' Graphite: ceph.pools.stats.<pool_name>.kb_read >>>> >>>> A pool like .rgw.root will break this since Graphite splits on periods. >>>> >>>> So is there any reason why this is? What's the reasoning behind it? >>> >>> This might just be a leftover from when we were mapping buckets into >>> RADOS pools. Yehuda, is there some more current reason? >> >> No current reason. Moreover, I removed the need for that in the new >> multi-site work, so this requirement will be gone sooner or later >> (probably for Jewel). Note that users will still be able to prefix >> pools with a period, and some pools will stay like that for backward >> compatibility, so anything that breaks with these strings should be >> fixed. >> > > Ah, understood. Nice to know. > > I personally would like to see that all default pools from RGW are > prefixed with 'rgw.' so that it's easy to identify which pools belong to > RGW. > > No existing setups should be touched, but only new ones or people who > change the mapping of their pools. > BTW the current master pull request (https://github.com/ceph/ceph/pull/4944) does this ie. removing the dependencies for periods on poolnames _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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