Hi Reed,
Just taking a quick glance at the Pastebin provided I have to say your cluster
balance is already pretty damn good all things considered.
We've seen the upmap balancer at it's best in practice provides a deviation of
about 10-20% percent across OSDs which seems to be matching up on yo
On 9/22/22 21:48, Reed Dier wrote:
Any tips or help would be greatly appreciated.
Try JJ's Ceph balancer [1]. In our case it turned out to be *way* more
efficient than built-in balancer (faster conversion, less movements
involved). And able to achieve a very good PG distribution and "reclai
+1 for increasing PG numbers, those are quite low.
Zitat von Bailey Allison :
Hi Reed,
Just taking a quick glance at the Pastebin provided I have to say
your cluster balance is already pretty damn good all things
considered.
We've seen the upmap balancer at it's best in practice provides
epeat the above 3 steps until balance is achieved, then re-enable the balancer
and unset the "no" flags set earlier?
From: Eugen Block
Sent: Friday, September 23, 2022 2:21 AM
To: ceph-users@ceph.io
Subject: [ceph-users] Re: Balancer Distributi
On 9/23/22 17:05, Wyll Ingersoll wrote:
When doing manual remapping/rebalancing with tools like pgremapper and
placementoptimizer, what are the recommended settings for norebalance,
norecover, nobackfill?
Should the balancer module be disabled if we are manually issuing the pg remap
commands
Hey Wyll,
> $ pgremapper cancel-backfill --yes # to stop all pending operations
> $ placementoptimizer.py balance --max-pg-moves 100 | tee upmap-moves
> $ bash upmap-moves
>
> Repeat the above 3 steps until balance is achieved, then re-enable the
> balancer and unset the "no" flags set earlier?
-users] Re: Balancer Distribution Help
Hey Wyll,
> $ pgremapper cancel-backfill --yes # to stop all pending operations
> $ placementoptimizer.py balance --max-pg-moves 100 | tee upmap-moves
> $ bash upmap-moves
>
> Repeat the above 3 steps until balance is achieved, the
