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Database Administration
Guide and Reference


Activity Displays>I/O Operations By File

Displays information about I/O activity, organized by file. Figure A–29 shows a sample I/O Operations by File Activity display.

01/25/02           Activity: I/O Operations by File 
16:32              from 01/25/02 15:31 to 01/25/02 16:04 (for 32 min. 48 sec.) 
                               Total      Per Min    Per Sec    Per Tx 
/disk1/demo/.db 
Reads                          8          48         0.80       0.00 
Writes                         2          12         0.20       0.00 
Extends                        0          1          0.00       0.00 
                               Total      Per Min    Per Sec    Per Tx 
/disk1/demo.bi 
Reads                          13         78         1.30       0.00 
Writes                         1          6          0.10       0.00 
Extends                        0                     0.00       0.00 
                               Total      Per Min    Per Sec    Per Tx 
/disk1/demo.ai 
Reads                          29                    0.03       0.04 
Writes                         3                     0.00       0.00 
Extends                        0                     0.00       0.00 

Figure A–29: PROMON I/O Operations By File Activity Display

For each file, the display lists the following types of I/O operations:


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