WAS运行问题求解（三）

00000003 TraceResponse W TUNE0214W:Decreasing the size of the web container thread pool WebContainer by setting the minimum size to 2.0 and the maximum size to 5.0 may improve performance.

Additional explanatory data follows.

Pool utilization:9.333%.

CPU usage:63%.

Number of threads in pool :15.

Number of active threads in pool:1.4.

This alert has been issued 1 time(s) in a row. the threshold will be updated to reduce the overhead of the analysis.

是什么原因引起的？如何消除？