| A | B |
|---|
| virtual memory | portion of the hard disk used as RAM |
| paging file | physical disk space that is used to store virtual memory |
| RAM | temporary memory used by the computer while application is running |
| CPU (Computer Processing Unit) | Brains of the computer |
| Performance Console | Shows graphs that indicate computer performace. |
| Task Manager | allows view of currently active tasks and performance effects |
| System monitor | interactivee reporting of performance data |
| Performance Logs and Alerts | generates alerts when threshold is reached and logs data |
| Pages/ sec | number of times per sec. that system goes to paging file |
| Available bytes | physical memory available to the system at the time |
| Page faults /sec. | combination of hard page faults and need to map RAM |
| Average Disk Read Queue length | number of read requests waiting |
| Average Write Queue length | number of write requests waiting |
| % disk time | amount of time disk is busy |
| counter log | record specified counter for specific interval |
| trace log | tracks process data to assist with debugging |
| alerts | notify user when counter has reached threshold |
| logical drive | several physical drives that act as one drive |
| Average disk queue length | records combined read and write queue on logical drive |
| sample rate | time period during which data is recorded |
| histogram | bar graph |
