Release 10.1A: OpenEdge Data Management:
Database Administration

PROMON Modify Defaults option

Displays terminal behavior parameters and lets you change them when running the monitor. It also displays and lets you change the value of startup parameters used for tuning the asynchronous page writer.

Figure 19–58 shows the menu that appears when you choose the Modify Defaults option.

Enter your selection: m      1. Page size:      24      2. Clear screen for first page: Yes      3. Short pause after each page: 4      4. Long pause after last page: 8      5. Monitor Sampling Interval:  30 sec.      6. APW queue delay:    500 ms.      7. APW queue start:    1      8. APW scan delay:   3 sec.      9. APW scan count:   9      a. APW write limit:    5      Q. Return to main menu      Enter your selection:

Figure 19–58: PROMON Modify Defaults menu

Page size

The number of lines on the terminal screen.

Clear screen for first page

If Yes, the system clears the screen before the main menu and before every list.

Short pause after each page

The delay in seconds between pages of output when in continuous monitoring mode. (Enter u for the Continue Uninterrupted option.)

Long pause after last page

The delay after the last page of output when in continuous monitoring mode.

Monitor Sampling Interval

The interval at which PROMON samples data, in seconds.

APW queue delay

The value of the Page Writer Queue Delay (-pwqdelay) startup parameter. -pwqdelay is a self-tuning parameter. When the database encounters heavy loads, -pwqdelay decreases

its value so that the APW writes more often. When the demand on the database lessens, -pwqdelay increases its value so that the APW writes less often. The default value, in milliseconds, for -pwqdelay is 100.

APW queue start

The value of the Page Writer Queue Minimum (-pwqmin) startup parameter. Do not change this value unless directed to do so by Technical Support.

APW scan delay

The value of the Page Writer Scan Delay (-pwsdelay) startup parameter. The default value, in seconds, of -pwsdelay is 1.

APW scan count

The value of the Page Writer Scan (-pwscan) parameter. Do not change this value unless directed to do so by Technical Support.

APW write limit

The value of the Page Writer Maximum Buffers (-pwwmax) parameter. Do not change this value unless directed to do so by Technical Support.