User’s mail: My Chamilo LMS is slow

Sir, I am a user of Chamilo 1.8 as my Website is : www.team**.in and i am having about 1300 users registered on that portal but i always face big problem with chamilo 1.8 that when i take test of…

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HTTP persistent connections to a server

My work and readings have lead me through a lot of things related to the simultaneity of connections from a browser (client) to a web server and the HTTP context in which all that happens. It is still a bit…

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DNS optimization

DNS optimization is a technique by which you optimize (i.e. you reduce) the time required for any browser to find your website. It might seem ridiculous at first, but having bad DNS providers can make your site load in about…

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Profiling MySQL/MariaDB queries

If you ever face an optimization issue in MySQL or MariaDB and want to know how to measure/benchmark the differences in execution between two queries, you should definitely know about the set profiling=1; command. Here is how it works: mysql>…

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