PHP Performance monitoring Test----xhprof

Start work to now, in addition to doing novice tasks, basically with the server side of the deal, do the front end of the time is very short

Current performance monitoring and testing of the company: Xhprof and AB test

Xhprof----Facebook's open-source, lightweight PHP profiling tool: Includes the number of calls to the function, the time it takes (its own time and the time it takes to include internal functions), the memory/cpu, the peak and percentage of memory

Specifically how to install, use can go to Baidu, this is really a gray often easy to know the performance bottleneck in which file which function, and then targeted to do optimization: to give a screenshot of the specific description of the database, view the source code, even a table query, and then the query into a foreach, caused a lot of small queries. The next step is to optimize the target.