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Pitfall of proxying HTTP requests through Lighttpd

Recently I had a case with a web server farm where a random node went down every few minutes. I don’t mean any of them rebooted except once or twice, but rather they were slowing …

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Are PHP persistent connections evil ?

As you probably know PHP “mysql” extension supported persistent connections but they were disabled in new “mysqli” extension, which is probably one of the reasons some people delay migration to this extension. The reason behind …

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How Percona does a MySQL Performance Audit

Our customers or prospective customers often ask us how we do a performance audit (it’s our most popular service). I thought I should write a blog post that will both answer their question, so I …

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Speedup your LAMP stack with LigHTTPD

Apache Web server could frequently be bottleneck for your LAMP stack, or you might be wasting resources on your web servers. The problem with Apache server comes from “client per process” architecture which you have …

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