What is your client (librbd, krbd, CephFS, ceph-client, ...) and how
are you testing performance?

On Wed, May 16, 2018 at 11:14 AM, Donald "Mac" McCarthy
<m...@synackintel.com> wrote:
> Recently upgraded a CEPH client to CentOS 7.5.  Upon doing so read and write 
> performance became intolerably slow.  ~2.5 MB/s.  When booted back to a 
> CentOS 7.4 kernel, performance went back to a normal 200 MB/s read and write. 
> I have not seen any mention of this issue in all of the normal places 
> including here. For now the solution is clear - don’t use the 7.5 update. Has 
> anyone else experienced this issue?
>
> Please excuse any typos.  Autocorrect is evil!
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> ceph-users mailing list
> ceph-users@lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com



-- 
Jason
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