<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span>Thank you Didi.</span></div><div><br><span></span></div><div><span>I'll keep it in mind.</span></div><div><br><span></span></div><div><span>Valery.<br></span></div><div><br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><font face="Arial" size="2"><hr size="1"><b><span style="font-weight: bold;">From:</span></b> Yedidyah Bar-David <linux-il@didi.bardavid.org><br><b><span style="font-weight: bold;">To:</span></b> Valery Reznic <valery_reznic@yahoo.com><br><b><span style="font-weight: bold;">Cc:</span></b> Linux-IL <linux-il@cs.huji.ac.il><br><b><span style="font-weight: bold;">Sent:</span></b>
Saturday, September 24, 2011 11:16 PM<br><b><span style="font-weight: bold;">Subject:</span></b> Re: HW/SW for license server<br></font><br>On Fri, Sep 23, 2011 at 01:19:51AM -0700, Valery Reznic wrote:<br>> Hi, All.<br>> <br>> I need to setup license server and looking for advice what hardware/software to use<br>> <br>> <br>> General schema is following:<br>> <br>> There are about 20K clients all of them periodically (let say once a week) query license server for license via https<br>> <br>> I'll try my best to spread all those requests over the week, but in worse case scenario all those 20K request can came during 1hour,<br>> spread relative evenly i.e about 6 request/sec<br>> <br>> When license server get request it query database ~20K records with 2-3 small fields, generate license and return it to client.<br>> <br>> License generation is light - md5sum of the very small input ( few hundreds
bytes)<br>> <br>> I think use following software for it<br>> <br>> <br>> 1. CentOS 6<br>> <br>> 2. Apache with mod_python<br>> 3. Mysql<br><br>Just a short note - make sure you configure mysql to do query caching.<br>google for 'mysql query cache'. It wasn't on by default in centos5, I<br>did not check 6 yet. It has, just as any cache, the potential to improve<br>performance dramatically.<br>-- <br>Didi<br><br><br><br></div></div></blockquote></div></div></body></html>