MONITOR command: Disk buffers

Summary

Privileges

System administrator

Function

Monitors the disk buffers, displaying the number of pages in each table of each file that currently resides in the disk buffer.

Syntax

MONITOR {DISKBUFF | DISKBUFFG | DISKBUFFL}

Where:

• DISKBUFF returns the statistics for both above-the-line and above-the-bar buffers.

• DISKBUFFG returns the statistics for the above-the-bar buffers.

• DISKBUFFL returns the statistics for above-the-line buffers.

Example

MONITOR DISKBUFF

or

MONITOR DISKBUFFG

Usage notes

• The MONITOR DISKBUFF command displays the following types of information, in the format presented below, where FCT is the number of pages in the File Control Table:

  MONITOR DISKBUFF FILENAME FCT TBLA TBLB TBLC TBLD TBLE TBLX *TOTAL* -------- --- ------ ------ ------ ------ ------ ------ ------- CCATEMP 0 40 0 0 0 0 0 40 PROC1 1 0 0 0 11 0 0 12 FILETBLX 1 1 10 0 2 0 2 16 TESTZ 1 1 11 0 3 185 0 201 *TOTAL* 3 42 21 0 16 185 2 269

• The MONIOR DISKBUFFG command displays above-the-bar buffer pool usage:

  MONITOR DISKBUFFG FILENAME FCT TBLA TBLB TBLC TBLD TBLE TBLX *TOTAL* -------- --- ------ ------ ------ ------ ------ ------ ------- CCATEMP 0 3 0 0 0 0 0 3 CCAGRP 1 0 0 0 1 0 0 2 CCASYS 1 1 7 8 15 0 0 32 EWDPROC 1 0 0 0 3 0 0 4 EWDSCR 1 0 0 0 1 0 0 2 EWDDATA 1 0 0 0 1 0 0 2 FILETBLX 1 0 0 0 2 0 0 3 *TOTAL* 6 4 7 8 23 0 0 48

• The MONITOR DISKBUFFL command displays below-the-bar buffer pool usage.

  MONITOR DISKBUFFL FILENAME FCT TBLA TBLB TBLC TBLD TBLE TBLX *TOTAL* -------- --- ------ ------ ------ ------ ------ ------ ------- CCATEMP 1 3 0 0 0 0 0 3 CCAGRP 1 0 0 0 1 0 0 2 CCASYS 1 1 0 0 11 0 0 13 EWDPROC 1 0 0 0 3 0 0 4 EWDSCR 1 0 0 0 1 0 0 2 EWDDATA 1 0 0 0 1 0 0 2 FILETBLX 1 0 0 0 2 0 0 3 *TOTAL* 6 4 0 0 19 0 0 29