Saturday, 17 March 2012

Symptoms of overload

The affection of an active web server are:

Requests are served with (possibly long) delays (from 1 additional to a few hundred seconds).

The web server allotment an HTTP absurdity code, such as 500, 502, 503, 504, or 408, or alike 404, which is inappropriate for an afflict condition.

The web server refuses or resets (interrupts) TCP access afore it allotment any content.

In actual attenuate cases, the web server allotment alone a allotment of the requested content. This behavior can be advised a bug, alike if it usually arises as a evidence of overload.

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