监控sql执行性能的工具：jdbmonitor
一个用来监控sql执行性能的工具：jdbmonitor官网：http://www.jdbmonitor.com/
大概说明：查資料庫的狀態，他類似一個中間軟體，所有的ＳＱＬ會透過他，所以可以知道狀況。安裝到AP SERVER，類似一個ＪＤＢＣ ＤＲＩＶＥＲ，AP--> jdbmonitor -->mysql driver：
Will it slow down my Java application?
While there are some CPU overhead to monitor database activities, you will not be able to notice it. That is, unless you use a Java profiler to profile a database intensive application.
In some ways, it is as much overhead as logging an application using APIs such as Jakarta Commons Logging (JCL).
When a client is monitoring remotely, additional overhead ca
http://www.jdbmonitor.com/faq.php#Q6
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