<div dir="ltr">Hi Ed,<div class="im"><br><blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote">I do not know if you can specify different instance types for compute nodes. What is the motivation for this?<br>
</blockquote></div> the motivation of different instance type is to use
single master nodes and attach different compute nodes depending on
price undulation.<div class="gmail_extra"><br><br><div class="gmail_quote">On Fri, Jan 18, 2013 at 6:06 PM, Ed Morris <span dir="ltr"><<a href="mailto:ecm200@gmail.com" target="_blank">ecm200@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">As far as I am aware, there is an option distinguish between the master node and the compute node types. Hence, if you do not want the master node to be a compute node as well, then there is no point in having such a powerful master node.<div>
<br></div><div>I do not know if you can specify different instance types for compute nodes. What is the motivation for this?</div><div><br></div><div>If you have different compute requirements for different jobs types, then you could always setup two separate clusters with the required hardware type.</div>
<div><br></div><div><br></div></div><div class="gmail_extra"><br><br><div class="gmail_quote"><div><div class="h5">On 18 January 2013 17:50, Kai Li <span dir="ltr"><<a href="mailto:kai.li.jx@gmail.com" target="_blank">kai.li.jx@gmail.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div class="h5">Hi,<div><br></div><div>Just two questions.</div><div>1. Is it possible to use a reserved instance as master node? </div>
<div>2. is it possible to attach nodes of different instance type to one cluster?</div><div><br clear="all">
<div>Thanks!</div><span><font color="#888888"><div><br></div>-- <br><span style="color:rgb(136,136,136)">李凯 ( Kai Li )</span><div><br></div>
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<br></blockquote></div><span class="HOEnZb"><font color="#888888"><br><br clear="all"><div><br></div>-- <br>Ed Morris<br>------------------------------------------------<br>email: <a href="mailto:ecm200@gmail.com" target="_blank">ecm200@gmail.com</a><br>
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</blockquote></div><br><br clear="all"><br>-- <br><span style="color:rgb(136,136,136)">李凯 ( Kai Li )</span></div></div>