Dear Ceph users, Thank you for everyone's helpful advice
Have a good day. Phong Tran Vào Th 2, 26 thg 8, 2024 vào lúc 20:48 Joachim Kraftmayer < joachim.kraftma...@clyso.com> đã viết: > It is important to understand the behaviour of the ceph services and to > make the right hardware dimensioning. You can also limit the resource > consumption of each service to prevent the memory consumption of the ceph > osd from affecting the ceph mon service on the same node. The resource > required for the ceph mds depends heavily on the expected workload. > > We use the setup you describe very often. > > Hope this helps you one step further, Joachim > > Joachim Kraftmayer > > CEO > > +49 89 2152527-21 <https://call.ctrlq.org/+49%2089%202152527-21> > > joachim.kraftma...@clyso.com > > www.clyso.com > > Hohenzollernstr. 27, 80801 Munich > > Utting a. A. | HR: Augsburg | HRB: 25866 | USt. ID-Nr.: DE2754306 > > > > Am Mo., 26. Aug. 2024 um 09:48 Uhr schrieb Janne Johansson < > icepic...@gmail.com>: > >> Den fre 23 aug. 2024 kl 18:30 skrev Phong Tran Thanh < >> tranphong...@gmail.com>: >> > >> > This is my first time setting up a Ceph cluster for OpenStack. Will >> > running both the Mon service and the OSD service on the same node affect >> > maintenance or upgrades in the future? While running Mon, MDS, and OSD >> > services on the same node does offer some benefits, could someone >> provide >> > me with additional advice? >> >> OSDs can use HUGE amounts of ram when doing internal consistency >> checks and things like that, so co locating the mon(s) with the OSDs >> would mean the host can end up swapping or even dying from lack of >> RAM, and while the machine is heading this way the mon part will >> probably not run well either, so the OSDs could starve the mon and you >> would be having two problems at the same time if this ever occurs. >> >> -- >> May the most significant bit of your life be positive. >> _______________________________________________ >> ceph-users mailing list -- ceph-users@ceph.io >> To unsubscribe send an email to ceph-users-le...@ceph.io >> > -- Trân trọng, ---------------------------------------------------------------------------- *Tran Thanh Phong* Email: tranphong...@gmail.com Skype: tranphong079 _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
