The Bleeding Edge Of A Web Application...

Most web applications have the well-known 3-tiered structure - WebTier > ApplicationTier > DataTier. Both WebTier and ApplicationTier have the web-layer to parse the incoming HTTP requests. Its in the WebTier that one deploy's load-balancing L4-routers like Apache/Nginx or Netscaler like appliances. HTTP requests are forwarded by the WebTier to the ApplicationTier which is generally served by a much bigger farm of servers. Web-layer in the ApplicationTier is the focus of this blog. Its a challenging area of software development for the following reasons and more -

System and Application health - Is there a data collection challenge at the DC?

My champion-hacker friend Sumanth and I spent a little time few weeks ago digging to know if there was a data collection challenge for system and application health metrics at a typical small data center. Here is the little that we discovered...

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