<div dir="ltr">I am using QEMU 2.0.0 and Sheepdog daemon version 0.7.5 on Ubuntu 14.04.<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jun 24, 2015 at 6:01 PM, Hitoshi Mitake <span dir="ltr"><<a href="mailto:mitake.hitoshi@gmail.com" target="_blank">mitake.hitoshi@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">At Tue, 23 Jun 2015 20:16:05 +0530,<br>
ankit bhardwaj wrote:<br>
><br>
> [1 <multipart/related (7bit)>]<br>
> [1.1 <multipart/alternative (7bit)>]<br>
> [1.1.1 <text/plain; UTF-8 (quoted-printable)>]<br>
<span class="">> I am using "sheep -n /mnt/sheep/0 -c zookeeper:IP1:2181,IP2:2181,IP3:2181"<br>
> to start sheep on each node. And in the question I was mostly talking about<br>
> reading speed. Writing speed was quite less than the native disk writing.<br>
><br>
> On my machine I am able to run 10 VMs comfortably , within 40 seconds when<br>
> I am using local disk. But when I try to boot these VM in 3 node- 3 replica<br>
> sheepdog cluster, CPU becomes the bottleneck after booting 3 VM<br>
> simultaneously. Here is the graph for booing 5 VM simultaneously in<br>
> sheepdog cluster.<br>
<br>
</span>Thanks for your detailed report. Could you provide version of sheepdog and QEMU?<br>
<br>
Thanks,<br>
Hitoshi<br>
<br>
><br>
><br>
> 鈥><br>
<div><div class="h5">> I want to run more number of VMs. Is there anything, that can be done in<br>
> terms of setup, number of node, Number of replicas etc ?<br>
><br>
><br>
> On Tue, Jun 23, 2015 at 5:51 PM, Hitoshi Mitake <<a href="mailto:mitake.hitoshi@gmail.com">mitake.hitoshi@gmail.com</a>><br>
> wrote:<br>
><br>
> > At Tue, 23 Jun 2015 11:57:53 +0530,<br>
> > ankit bhardwaj wrote:<br>
> > ><br>
> > > [1 <multipart/alternative (7bit)>]<br>
> > > [1.1 <text/plain; UTF-8 (7bit)>]<br>
> > > I am using 3 node cluster , with 3 copies of disk image. So, each node<br>
> > have<br>
> > > a full copy of disk image.<br>
> ><br>
> > Could you provide an option for your sheep processes?<br>
> ><br>
> > Thanks,<br>
> > Hitoshi<br>
> ><br>
> > ><br>
> > > On Tue, Jun 23, 2015 at 10:37 AM, Vasiliy Tolstov <<a href="mailto:v.tolstov@selfip.ru">v.tolstov@selfip.ru</a>><br>
> > > wrote:<br>
> > ><br>
> > > > 2015-06-23 1:40 GMT+03:00 ankit bhardwaj <<a href="mailto:ankitbhrdwj27@gmail.com">ankitbhrdwj27@gmail.com</a>>:<br>
> > > > > I am new to Sheepdog. Though I have gained enough knowledge to<br>
> > deploy and<br>
> > > > > use sheepdog for qemu-kvm VMs. I tried to benchmark Sheepdog and<br>
> > found<br>
> > > > that:<br>
> > > > ><br>
> > > > > 1. Sheepdog's Maximum Read/Write Speed is around 70-80% compared to<br>
> > local<br>
> > > > > storage. That too when the condition are in favour of sheepdog.<br>
> > Example:<br>
> > > > > Full copy of data on same node and Reading or writing sequential Data<br>
> > > > etc.<br>
> > > > ><br>
> > > > > 2. When using VM disk image to boot VM from Sheepdog storage, some<br>
> > extra<br>
> > > > > system activities increase the load on the CPU from 30-40%.<br>
> > > > ><br>
> > > > > Can you please tell me,:<br>
> > > > > Why the speed is slow, even if all the data is on the same machine ?<br>
> > > > > What activity in sheepdog is eating up my processor cycles ?<br>
> > > > ><br>
> > > > ><br>
> > > > > Sorry for the loosely described experiments and results.<br>
> > > ><br>
> > > ><br>
> > > > I think we need command line for running sheepdog and how you format<br>
> > > > you cluster (erasure coded or replicas) ?<br>
> > > ><br>
> > > > --<br>
> > > > Vasiliy Tolstov,<br>
> > > > e-mail: <a href="mailto:v.tolstov@selfip.ru">v.tolstov@selfip.ru</a><br>
> > > ><br>
> > ><br>
> > ><br>
> > ><br>
> > > --<br>
> > > Ankit Bhardwaj<br>
> > > [1.2 <text/html; UTF-8 (quoted-printable)>]<br>
> > ><br>
> > > [2 <text/plain; us-ascii (7bit)>]<br>
> > > --<br>
> > > sheepdog mailing list<br>
> > > <a href="mailto:sheepdog@lists.wpkg.org">sheepdog@lists.wpkg.org</a><br>
> > > <a href="https://lists.wpkg.org/mailman/listinfo/sheepdog" rel="noreferrer" target="_blank">https://lists.wpkg.org/mailman/listinfo/sheepdog</a><br>
> ><br>
><br>
><br>
><br>
> --<br>
> Ankit Bhardwaj<br>
</div></div>> [1.1.2 <text/html; UTF-8 (quoted-printable)>]<br>
><br>
> [2 Sheepdog_Resource_usage.png <image/png (base64)>]<br>
><br>
</blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature">Ankit Bhardwaj</div>
</div>