[ceph-users] Re: Squid: deep scrub issues

2024-11-30 Thread Frédéric Nass
No, Marc. The recommended value is always the one that devs agreed on at a point in time. Keep it to the defaults. Frédéric. De : Marc Envoyé : samedi 30 novembre 2024 22:49 À : Frédéric Nass; Laimis Juzeliūnas Cc: ceph-users Objet : RE: Squid: deep scrub issue

[ceph-users] Re: Squid: deep scrub issues

2024-11-30 Thread Marc
So is this recommend for all new squid clusters? osd_scrub_chunk_max from 25 > > To clarify, Squid reduced osd_scrub_chunk_max from 25 to 15 to limit the > impact on client I/Os which may had led to increased (deep)scrubbing > times. > My advise was to raise this value back to 25 and see the in

[ceph-users] Re: EC pool only for hdd

2024-11-30 Thread Rok Jaklič
Thx. Can you explain mappings.txt a little bit? I assume that for every line in mappings.txt apply crush rule 1 for osds in square brackets? Rok On Thu, Nov 28, 2024 at 8:53 AM Eugen Block wrote: > Of course it's possible. You can either change this rule by extracting > the crushmap, decompil

[ceph-users] Re: down OSDs, Bluestore out of space, unable to restart

2024-11-30 Thread Frédéric Nass
*databaseS in general (mysql, postgresql, etc.) Frédéric. - Le 30 Nov 24, à 15:14, Frédéric Nass frederic.n...@univ-lorraine.fr a écrit : > Hi Martin, > > Thanks for sharing your thoughts. I was wondering how database would handle > low > disk space when receiving new requests. Maybe it'

[ceph-users] Re: Squid: deep scrub issues

2024-11-30 Thread Frédéric Nass
Hello Laimis, To clarify, Squid reduced osd_scrub_chunk_max from 25 to 15 to limit the impact on client I/Os which may had led to increased (deep)scrubbing times. My advise was to raise this value back to 25 and see the influence of this change. But clearly, this is a more serious matter. Thank

[ceph-users] Re: down OSDs, Bluestore out of space, unable to restart

2024-11-30 Thread Frédéric Nass
Hi Martin, Thanks for sharing your thoughts. I was wondering how database would handle low disk space when receiving new requests. Maybe it's not much different than what you've described below. Cheers, Frédéric. - Le 29 Nov 24, à 17:46, Martin Konold a écrit : > Hi, > the traditio

[ceph-users] Re: Snaptriming speed degrade with pg increase

2024-11-30 Thread Frédéric Nass
Hi Istvan, Yeah, it's a been a known bug. Thus my previous recommendation to first upgrade your cluster a more recent version of Ceph and then only reshard the mult-site synced bucket. Cheers, Frédéric. - Le 29 Nov 24, à 13:11, Istvan Szabo, Agoda a écrit : > The reshard topic is r