slow read speeds from kernel rbd (Firefly 0.80.4)

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What is your kernel version ? On kernel >= 3.11 sysctl -w 
"net.ipv4.tcp_window_scaling=0" seems to improve the situation a lot. It 
also helped a lot to mitigate processes going (and sticking) in 'D' state.

Le 24/07/2014 22:08, Udo Lembke a ?crit :
> Hi again,
> forget to say - I'm still on 0.72.2!
>
> Udo
>
>
> _______________________________________________
> ceph-users mailing list
> ceph-users at lists.ceph.com
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

-- 
Jean-Tiare, shared-hosting team



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