Hello,
we don't use a scheduler on OSDs, so priority has no effect. We use this to
reduce load during working ours:
osd scrub begin hour = 18
osd scrub end hour = 7
osd scrub load threshold = 3
osd max scrubs = 1
osd max backfill = 3
osd recovery max active = 5
At least " load threshold" has tob e adopted tot he (cpu) power of the host.
Regards
Holger Hampel
-----Ursprüngliche Nachricht-----
Von: pve-user [mailto:[email protected]] Im Auftrag von lists
Gesendet: Montag, 13. März 2017 18:44
An: PVE User List
Betreff: [PVE-User] blocked requests
Hi,
Another question, if I may... :-)
We are seeing occasional slow requests on our three-node pve ceph 0.94.9
cluster. I've seen it happening after ceph deep-scrubs start. Googling
this, refers me to this page on lowering ceph scrub I/O priority:
http://dachary.org/?p=3268
I'd just like to ask here: Anyone followed that procedure? Seems the
pve/ceph is recent enough. Any insights to share?
Best regards again,
MJ
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