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<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Hi Jiho,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Keep also in mind that a VM has always an extra layer to access underlying resources such as RAM and CPUs, which (although optimized, such as the VMWare one is) is still an extra layer<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">A physical workstation, with similar characteristics, will be always faster than a VM…<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">My 2 cents
</span><span lang="EN-US" style="font-family:"Segoe UI Emoji",sans-serif;mso-fareast-language:EN-US">😉</span><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Lan<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="color:#2C3034;mso-fareast-language:NL-BE">Lanfranco Giuseppe Morini</span></b><span style="color:#2C3034;mso-fareast-language:NL-BE">
</span><span style="color:black;mso-fareast-language:NL-BE"><br>
</span><b><span style="color:#9BB0B7;mso-fareast-language:NL-BE">Program Manager </span>
</b><o:p></o:p></p>
<p class="MsoNormal"><b><span style="color:#9BB0B7;mso-fareast-language:NL-BE">Banking & Finance</span></b><o:p></o:p></p>
<p class="MsoNormal"><b><span style="color:#9BB0B7;mso-fareast-language:NL-BE">APPLICATIONS
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<p class="MsoNormal"><b><span style="color:#2C3034;mso-fareast-language:NL-BE">E</span></b><span style="color:#2C3034;mso-fareast-language:NL-BE">
</span><b><span style="color:#0098C3;mso-fareast-language:NL-BE"><a href="mailto:Lanfranco.Morini@cegeka.it"><span style="color:#0563C1">Lanfranco.Morini@cegeka.it</span></a></span></b><span style="color:black;mso-fareast-language:NL-BE"><br>
</span><b><span style="color:#2C3034;mso-fareast-language:NL-BE">T </span></b><span style="color:#2C3034;mso-fareast-language:NL-BE">+39 02 254427 1</span><span style="color:#4D555B;mso-fareast-language:NL-BE">
</span><span style="color:black;mso-fareast-language:NL-BE"><br>
</span><b><span style="color:#2C3034;mso-fareast-language:NL-BE">M</span></b><span style="color:#2C3034;mso-fareast-language:NL-BE"> +39 347 7282717<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;color:#2C3034;mso-fareast-language:NL-BE">CEGEKA
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20093 Cologno Monzese MI, Italy<br>
<b>T</b> +39 02 254 427 1<br>
</span><b><span style="font-size:10.5pt;color:#0098C3;mso-fareast-language:NL-BE"><a href="http://www.cegeka.it/"><span style="color:#0098C3;text-decoration:none">WWW.CEGEKA.IT</span></a></span></b><span style="font-size:10.5pt;color:#0098C3;mso-fareast-language:NL-BE"> </span><span style="font-size:10.5pt;color:#2C3034;mso-fareast-language:NL-BE">
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<p class="MsoNormal" align="center" style="text-align:center"><a href="https://www.linkedin.com/company/cegeka_italia"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:EN-GB;text-decoration:none"><img border="0" width="27" height="25" style="width:.2812in;height:.2604in" id="Picture_x0020_4" src="cid:image004.jpg@01D66CAA.70EEB2E0"></span></a><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:NL-BE"><o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><a href="https://twitter.com/Cegeka_IT"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:EN-GB;text-decoration:none"><img border="0" width="27" height="25" style="width:.2812in;height:.2604in" id="Picture_x0020_5" src="cid:image005.jpg@01D66CAA.70EEB2E0"></span></a><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:NL-BE"><o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><a href="https://www.youtube.com/channel/UCyK4GfmaAT3MEJttkpfWoyQ"><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:EN-GB;text-decoration:none"><img border="0" width="27" height="25" style="width:.2812in;height:.2604in" id="Picture_x0020_7" src="cid:image007.jpg@01D66CAA.70EEB2E0"></span></a><span style="font-size:12.0pt;font-family:"Times New Roman",serif;color:black;mso-fareast-language:NL-BE"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Quickfixn <quickfixn-bounces@lists.quickfixn.com>
<b>On Behalf Of </b>Sergio Diego Demaestri<br>
<b>Sent:</b> giovedì 6 agosto 2020 22:09<br>
<b>To:</b> Mailing list for QuickFIX/n <quickfixn@lists.quickfixn.com><br>
<b>Subject:</b> Re: {{Quickfixn}} Performance numbers, esp in VM<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="ES-AR" style="mso-fareast-language:EN-US">Hi Jiho,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="ES-AR" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">antivirus might be playing tricks, files in the form ClientHandlerThread-XXX-Debug.event.current.log and ClientHandlerThread-XXX-Debug.messages.current.log are constantly created.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">To avoid this, you must modify the CreateHandlerThread class by deleting the log information.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">By creating so many files, disk I / O negatively influences performance.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">At this point it is important to exclude the App directories in the antivirus configuration. (In case you don't want to customize the class)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">using perfmon.exe you can see what I say by filtering the PID of your App.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">I hope it works and tell me the results.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="ES-AR" style="mso-fareast-language:EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="ES-AR" style="mso-fareast-language:EN-US">Sergio<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="ES-AR" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="ES">De:</span></b><span lang="ES"> Quickfixn <<a href="mailto:quickfixn-bounces@lists.quickfixn.com">quickfixn-bounces@lists.quickfixn.com</a>>
<b>En nombre de </b>Jiho HAN<br>
<b>Enviado el:</b> Friday, June 26, 2020 08:03 PM<br>
<b>Para:</b> Mailing list for QuickFIX/n <<a href="mailto:quickfixn@lists.quickfixn.com">quickfixn@lists.quickfixn.com</a>><br>
<b>Asunto:</b> SPAM{{Quickfixn}} Performance numbers, esp in VM<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR">We have a need for high throughput and started looking at how to improve our FIX application.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR">It’s mainly a drop copy scenario, basically receiving execution reports and creating orders and fills in our OMS.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR" style="font-family:"Times New Roman",serif"> </span><span lang="ES-AR"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR">After quite a bit of investigation, I created a sample server and client, a bare bones application that sends/receives FIX messages and see how fast we can “process” the messages.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR">On my own workstation, I can get about 7000+ messages per second if I use MemoryStore/NullLog (4500 using FileStore/FileLog) – essentially trying to eliminate all I/O.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR">However, this reduces down to about 1500 messages per second on a VM (VMWare).<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR">I see CPU only around 30% utilization and plenty of memory available on the VM while it runs.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR">The specs of both machines are not that different.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR" style="font-family:"Times New Roman",serif"> </span><span lang="ES-AR"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR">Has anyone else done something similar or have similar experiences?<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR">I have no clue why this app would run so much slower on a virtual machine.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR" style="font-family:"Times New Roman",serif"> </span><span lang="ES-AR"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR">Jiho<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR" style="font-family:"Yu Gothic",sans-serif">Classification: Public</span><span lang="ES-AR"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR" style="font-family:"Times New Roman",serif"> </span><span lang="ES-AR"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="ES-AR" style="font-family:"Times New Roman",serif"> </span><span lang="ES-AR"><o:p></o:p></span></p>
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