We run CEPH OSDs on the same hosts as QEMU/KVM with OpenStack. You need to segregate the processes so the OSDs have their dedicated cores and memory, other than that it works fine. Our MONs also run on the same hosts as the OpenStack controller nodes (L3 agents and such) - no problem here, you just need dedicated drives for their data.
Jan > On 10 Jul 2015, at 12:28, Kris Gillespie <kgilles...@bol.com> wrote: > > Hi All, > > So this may have been asked but I’ve googled the crap out of this so maybe my > google-fu needs work. Does anyone have any experience running a Ceph cluster > with the Ceph daemons (mons/osds/rgw) running on the same hosts as other > services (so say Docker containers, or really anything generating load). What > has been your experience? Used cgroups or seen any reason too? Any > performance issues? Troubleshooting a pain? Any other general observations? > > Just curious if anyone out there has done it and to what scale and what > issues they’ve encountered. > > Cheers everyone > > Kris Gillespie| System Engineer | bol.com <http://bol.com/> > > > De informatie verzonden met dit e-mailbericht is uitsluitend bestemd voor de > geadresseerde. Gebruik van deze informatie door anderen dan de geadresseerde > is uitdrukkelijk verboden. Indien u dit bericht per vergissing heeft > ontvangen, verzoeken wij u ons onmiddelijk hiervan op de hoogte te stellen en > het bericht te vernietigen. Openbaarmaking, vermenigvuldiging, verspreiding > en/of verstrekking van deze informatie aan derden is niet toegestaan. Bol.com > b.v. staat niet in voor de juiste en volledige overbrenging van de inhoud van > een verzonden e-mail, noch voor tijdige ontvangst daarvan en aanvaardt geen > aansprakelijkheid in dezen. > The information contained in this communication is confidential and may be > legally privileged. It is intended solely for the use of the individual or > entity to whom it is addressed and others authorised to receive it. If you > are not the intended recipient please notify the sender and destroy this > message. Any disclosure, copying, distribution or taking any action in > reliance on the contents of this information is strictly prohibited and may > be unlawful. Bol.com b.v. is neither liable for the proper and complete > transmission of the information contained in this communication nor for delay > in its receipt. > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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