Problem logging-load Balancer equalizer configured for high availability causes problems
Problem Description:
Using PHP to develop a awards program, to call the server interface to the person to send props, but this item must be strictly controlled only sent once
That is, the request can only be sent once, but there will always be a chance to trigger a number of cases, analysis of the background web write logs, it is true that only the hair
A request.
Problem solving:
After analyzing the server log found the problem is that the equalizer is highly available resulting, high availability is two equalizer when a equalizer expires
To a set value, the equalizer jumps to another machine to process, so the web logs to a log, but
The equalizer is processed two times, so it causes awards two times.
Problem logging-load Balancer equalizer configured for high availability causes problems