Re: extreme ceph-osd cpu load for rand. 4k write

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Subject: Re: extreme ceph-osd cpu load for rand. 4k write
From: Stefan Priebe <s.priebe@xxxxxxxxxxxx>
Date: Sat, 10 Nov 2012 21:43:18 +0100
Cc: Mark Nelson <mark.nelson@xxxxxxxxxxx>, Sage Weil <sage@xxxxxxxxxxx>, "ceph-devel@xxxxxxxxxxxxxxx" <ceph-devel@xxxxxxxxxxxxxxx>
In-reply-to: <CA+4uBUYNHLkc42xGoR22=0rkN=9oak3YhNbPkrmovNC3hYKzuA@mail.gmail.com>
References: <509AC772.5010606@profihost.ag> <509BC878.3090804@profihost.ag> <alpine.DEB.2.00.1211080658560.11845@cobra.newdream.net> <509BD38B.8090200@profihost.ag> <509BD87F.1010107@inktank.com> <509CD660.6050306@profihost.ag> <509CD940.1060400@profihost.ag> <CA+4uBUYJ_wNbm0Y4nMpb5QgS3kWe-4iazko5TT7O8LusPfrJww@mail.gmail.com> <6A7041AE-DE09-46E2-8AF6-68D2107995C5@profihost.ag> <CA+4uBUaCMTCo3VFvC7dy8w8wzbwDUH4wkm2GRcgypzbwMH3F3w@mail.gmail.com> <CA+4uBUYNHLkc42xGoR22=0rkN=9oak3YhNbPkrmovNC3hYKzuA@mail.gmail.com>
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20121026 Thunderbird/16.0.2

Am 10.11.2012 21:37, schrieb Samuel Just:

How are the 4 ssds per osd set up?  RAID 5?


no, one ssd per osd like suggested by inktank.

Greets Stefan
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References:
- extreme ceph-osd cpu load for rand. 4k write
  - From: Stefan Priebe
- Re: extreme ceph-osd cpu load for rand. 4k write
  - From: Stefan Priebe - Profihost AG
- Re: extreme ceph-osd cpu load for rand. 4k write
  - From: Sage Weil
- Re: extreme ceph-osd cpu load for rand. 4k write
  - From: Stefan Priebe - Profihost AG
- Re: extreme ceph-osd cpu load for rand. 4k write
  - From: Mark Nelson
- Re: extreme ceph-osd cpu load for rand. 4k write
  - From: Stefan Priebe - Profihost AG
- Re: extreme ceph-osd cpu load for rand. 4k write
  - From: Stefan Priebe - Profihost AG
- Re: extreme ceph-osd cpu load for rand. 4k write
  - From: Samuel Just
- Re: extreme ceph-osd cpu load for rand. 4k write
  - From: Stefan Priebe - Profihost AG
- Re: extreme ceph-osd cpu load for rand. 4k write
  - From: Samuel Just
- Re: extreme ceph-osd cpu load for rand. 4k write
  - From: Samuel Just

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