Hello, On Mon, 20 Jun 2016 21:15:47 +0200 Michael Hanscho wrote: > Hi! > On 2016-06-20 14:32, Daleep Singh Bais wrote: > > Dear All, > > > > Is their some criteria for deciding on Ceph journal size to be used, > > whether in respect to Data partition size etc? I have noticed that if > > not specified, it takes the journal size to be 5GB. > > > > Any insight in this regard will be helpful for my understanding. > > See documentation: > http://docs.ceph.com/docs/master/rados/configuration/osd-config-ref/ > > osd journal size = {2 * (expected throughput * filestore max sync > interval)} > > http://comments.gmane.org/gmane.comp.file-systems.ceph.user/28433 > Thanks for quoting that thread. ^o^ For the OP, read it, because while the above formula certainly is correct, large journals are nearly always a waste. Christian -- Christian Balzer Network/Systems Engineer chibi@xxxxxxx Global OnLine Japan/Rakuten Communications http://www.gol.com/ _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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