Gathering Performance Statistics Data

We have already established the following requirements for the statistic gathering and monitoring tool:

• I want my tool to gather statistical information about:

• CPU and memory utilization

• System overview: requests rate, data rate, established connections

• Overview of all virtual servers: up/down and what services are down within each

• These can be split into two groups:

• System status (CPU, memory and request rate readings)

• Virtual server status (virtual server states)

We can now split our implementation into two parts, which is easier to code and test.

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