Num Of Pages Paged Out per Sec. (MEMPageOut)
Description
This parameter displays the number of pages of memory paged out of physical memory to disk. MEMORY pages are paged out when processes running on the system require more physical memory than is available. Occasional paging is normal; however, frequent paging degrades system performance.
Default Action Taken by PATROL
When the value of this parameter reaches the warning or alarm range, PATROL annotates the parameter's value with a report that displays the top 10 highest CPU-using processes (the value of the PROCTopProcs parameter). Annotations are denoted by an asterisk (or user-specified symbol) in the graph.
Recommendations
The easiest (and often only) way to improve excessive paging is to buy and install more memory. If you cannot add more memory immediately, you can schedule or terminate jobs with large memory requirements. You should become very familiar with your system's work load and standard processes. Killing frivolous processes and scheduling jobs with large memory requirements to run during non-peak times may improve performance greatly.
The default range thresholds (Warning at 10 to 15 pages and Alarm at 15 to 100 pages) may be useful for the "average" system. However, systems with large amounts of memory may tolerate more paging than the average system, and systems with small amounts of memory may suffer with even light paging. By knowing your system's work load and characteristics, you can determine appropriate range thresholds.
Default parameter attributes
Attribute | Default value |
|---|---|
Application class | MEMORY |
Command type | not applicable |
Platform | all |
Icon style | graph |
Unit | pages per second |
Border range | 0-100 |
Alarm1 range | 10-15: warn |
Alarm2 range | 15-100: alarm |
Scheduling (poll time) | inherits poll time of collector |
Active at installation | yes |
Parameter type | consumer |
Value set by |
BMC ProactiveNet Performance Management properties
Property | Default value |
|---|---|
Monitor type | Memory |
Key Performance Indicator | No |
Monitor for abnormalities | Yes |
Graph by default | No |
Availability | No |
Response time | No |
Normal distribution | Yes |
Statistical | Yes |