<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Hi all,</div><div><br></div><div>I'm developing an application which need to use tools and other applications that excel in a distributed environment: <br></div><div>- HPX ( <a href="https://github.com/STEllAR-GROUP/hpx">https://github.com/STEllAR-GROUP/hpx</a> ) , <br></div><div>- Kafka ( <a href="http://kafka.apache.org/">http://kafka.apache.org/</a> )</div><div>- a blockchain tool.<br></div><div>This is why I'm eager to learn how to deploy a beowulf cluster.</div><div><br></div><div>
I've read some info here:<br>- <a href="https://en.wikibooks.org/wiki/Building_a_Beowulf_Cluster">https://en.wikibooks.org/wiki/Building_a_Beowulf_Cluster</a><br>- <a href="https://www.linux.com/blog/building-beowulf-cluster-just-13-steps">https://www.linux.com/blog/building-beowulf-cluster-just-13-steps</a><br>- <a href="https://www-users.cs.york.ac.uk/~mjf/pi_cluster/src/Building_a_simple_Beowulf_cluster.html">https://www-users.cs.york.ac.uk/~mjf/pi_cluster/src/Building_a_simple_Beowulf_cluster.html</a>
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And I have 2 starting questions in order to clarify how I should proceed for a correct cluster building:
</div><div><br></div><div>1) My starting point is a PC, I'm working with at the moment, with this features:</div><div>
<table style="border-collapse:collapse;width:509pt" width="678" cellspacing="0" cellpadding="0" border="0"><tbody><tr style="height:15pt" height="20"><td style="height:15pt;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap" height="20"><font size="2"><span style="font-family:verdana,sans-serif"> - Corsair Simm Memoria RAM, DDR3, PC1600,
32GB, CL10 Ven k</span></font></td>
<td class="gmail-m_3088552346525307265gmail-xl65" style="text-align:center;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap"><font size="2"><span style="font-family:verdana,sans-serif"></span></font><br></td>
</tr>
<tr style="height:15pt" height="20">
<td style="height:15pt;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap" height="20"><font size="2"><span style="font-family:verdana,sans-serif"> - Intel Ci7 Box Processore CPU 1150 i7-4790K,
4.00 GHz</span></font></td>
<td class="gmail-m_3088552346525307265gmail-xl65" style="text-align:center;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap"><font size="2"><span style="font-family:verdana,sans-serif"></span></font><br></td>
</tr>
<tr style="height:15pt" height="20">
<td style="height:15pt;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap" height="20"><font size="2"><span style="font-family:verdana,sans-serif"> - Samsung MZ-76E500B Unità SSD Interna 860
EVO, 500 GB, 2.5" SATA III, Nero/Grigio</span></font></td>
<td class="gmail-m_3088552346525307265gmail-xl65" style="text-align:center;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap"><font size="2"><span style="font-family:verdana,sans-serif"></span></font><br></td>
</tr>
<tr style="height:14.25pt" height="19">
<td style="height:14.25pt;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap" height="19"><font size="2"><span style="font-family:verdana,sans-serif"> - MB ASUS H97-PLUS<span></span></span></font></td>
<td class="gmail-m_3088552346525307265gmail-xl65" style="text-align:center;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap"><font size="2"><span style="font-family:verdana,sans-serif"></span></font><br></td>
</tr>
<tr style="height:15pt" height="20">
<td style="height:15pt;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap" height="20"><font size="2"><span style="font-family:verdana,sans-serif"></span></font> - lettore DVD-RW<br></td>
<td class="gmail-m_3088552346525307265gmail-xl65" style="text-align:center;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap"><font size="2"><span style="font-family:verdana,sans-serif"></span></font><br></td>
</tr>
<tr style="height:15pt" height="20">
<td style="height:15pt;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap" height="20"> I'm using as OS Ubuntu 18.04.01 Server Edition.<br><br>On one side I read that it should be better to put in the same cluster the same type of HW : PCs of the same type, <br>but on the other side also hetherogeneous HW (server or PCs) can also be deployed.<br>
So....which HW should I take in consideration for the second node, if the features of the very first "node" are the ones above?<br><br>2) I read that some software (Rocks, OSCAR) would make the cluster configuration easier and smoother. But I also read that <br>
</td>
<td class="gmail-m_3088552346525307265gmail-xl65" style="text-align:center;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap"> using the same OS,<br></td>
</tr>
<tr style="height:15pt" height="20">
<td style="height:15pt;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap" height="20">with the
right
same version, for all nodes, in my case Ubuntu 18.04.01 Server Edition, could be a safe starter.<br>So... is it strictly necessary to use Rocks or OSCAR to correctly configure the nodes network?<br><br>Looking forward to your kind hints and suggestions.<br>Marco<br><br></td>
<td class="gmail-m_3088552346525307265gmail-xl65" style="text-align:center;padding-top:1px;padding-right:1px;padding-left:1px;color:black;font-weight:400;font-style:normal;text-decoration:none;vertical-align:bottom;border:medium none;white-space:nowrap"><font size="2"><span style="font-family:verdana,sans-serif"></span></font><br></td></tr></tbody></table>
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