The following commands produce a report on the three transactions with the longest lifetimes. For each transaction, the number of file requests, terminal I/Os, and transaction waits per use are also plotted, using a scale of 50. The VARS operand precedes the variables specified with the GRAF2 command.
GRAF TRAN LIFE SCALE(100) FOR 3
GRAF2 VARS DATASET USE SCALE(50) AND,
TERM IO AND,
TRAN WAITS
END
RUN
A report like the following is generated:
SHIFT NONE EACH DAY PERIOD NONE 0 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.0 X 0 5 10 15 20 25 30 35 40 45 50 * +.........+.........+.........+.........+.........+.........+.........+.........+.........+.........+ SPAR .XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 99.88 FILE USE .****************************************************************** . . . . 33 TERM IO .****************************************** . . . . . . 21 TRAN WAITS .********************************************************************************************** . 47 PDDR .XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX . . . . . . . 37.29 FILE USE .********************************************************** . . . . . 29 TERM IO .******************************************************** . . . . . 28 TRAN WAITS .************************************************************ . . . . 3 DEDA .XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX . . . . . . . 36.58 FILE USE .***************************************************************************************************> 76 TERM IO .***************************************************************************************************> 64 TRAN WAITS .***************************************************************************************************> 90 +.........+.........+.........+.........+.........+.........+.........+.........+.........+.........+ 0 5 10 15 20 25 30 35 40 45 50 * 0 10.00 20.00 30.00 40.00 50.00 60.00 70.00 80.00 90.00 100.0 X SYMBOLS: “X” = TRANSACTION AVERAGE LIFETIME
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