...@lists.ceph.com]" im Auftrag von
"Mark Nelson [mark.nel...@inktank.com]
Gesendet: Freitag, 04. Juli 2014 16:10
Bis: ceph-users@lists.ceph.com
Betreff: Re: [ceph-users] write performance per disk
On 07/03/2014 08:11 AM, VELARTIS Philipp Dürhammer wrote:
> Hi,
>
> I have a ceph cluster
On 07/03/2014 08:11 AM, VELARTIS Philipp Dürhammer wrote:
Hi,
I have a ceph cluster setup (with 45 sata disk journal on disks) and get
only 450mb/sec writes seq (maximum playing around with threads in rados
bench) with replica of 2
Which is about ~20Mb writes per disk (what y see in atop also)
On 04/07/14 02:32, VELARTIS Philipp Dürhammer wrote:
Ceph.conf:
rbd cache = true
rbd cache size = 2147483648
rbd cache max dirty = 1073741824
Just a FYI - I posted a setting very like this in another thread, and
remarked that it was "aggressive" - probably too much
-
Von: Wido den Hollander [mailto:w...@42on.com]
Gesendet: Freitag, 04. Juli 2014 10:55
An: VELARTIS Philipp Dürhammer; ceph-users@lists.ceph.com
Betreff: Re: AW: [ceph-users] write performance per disk
On 07/03/2014 04:32 PM, VELARTIS Philipp Dürhammer wrote:
HI,
Ceph.conf:
osd journal
Philipp Dürhammer; ceph-users@lists.ceph.com
Betreff: Re: AW: [ceph-users] write performance per disk
On 07/03/2014 04:32 PM, VELARTIS Philipp Dürhammer wrote:
> HI,
>
> Ceph.conf:
> osd journal size = 15360
> rbd cache = true
> rbd cache size = 2147483648
&g
s [mailto:ceph-users-boun...@lists.ceph.com] Im Auftrag von Wido
den Hollander
Gesendet: Donnerstag, 03. Juli 2014 15:22
An: ceph-users@lists.ceph.com
Betreff: Re: [ceph-users] write performance per disk
On 07/03/2014 03:11 PM, VELARTIS Philipp Dürhammer wrote:
Hi,
I have a ceph cluster setup (wit
Von: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] Im Auftrag von Wido
den Hollander
Gesendet: Donnerstag, 03. Juli 2014 15:22
An: ceph-users@lists.ceph.com
Betreff: Re: [ceph-users] write performance per disk
On 07/03/2014 03:11 PM, VELARTIS Philipp Dürhammer wrote:
> Hi,
>
> I have
On 07/03/2014 03:11 PM, VELARTIS Philipp Dürhammer wrote:
Hi,
I have a ceph cluster setup (with 45 sata disk journal on disks) and get
only 450mb/sec writes seq (maximum playing around with threads in rados
bench) with replica of 2
How many threads?
Which is about ~20Mb writes per disk (wha
Hi,
I have a ceph cluster setup (with 45 sata disk journal on disks) and get only
450mb/sec writes seq (maximum playing around with threads in rados bench) with
replica of 2
Which is about ~20Mb writes per disk (what y see in atop also)
theoretically with replica2 and having journals on disk sho
