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Displaying IMS VSAM Buffer Pool Statistics (RVSP)

Displaying IMS VSAM Buffer Pool Statistics (RVSP)

IMS VSAM Buffer Pool Statistics panel

The IMS VSAM Buffer Pool Statistics panel (Figure 70 ) provides size and usage information on the IMS VSAM buffer pools, broken down by subpools.

FIGURE 70. RVSP IMS VSAM Buffer Pool panel

+===================== IMS VSAM Buffer

|

Period:

19:30

to

19:45

on

01/02/97

+--------------------------------------

|

VSAM Subpool # 1 - 10 buff

+-----------------------------+--------

Pool Statistics ==============

Elap = 15:00 ------------------------------ ers of 1024 bytes each

  • -

    +-------------------------+--

=========+

M

IMSD |

  • ---------

    +

|

  • ---------

    +

| | | | | | | | |

Pool ID Subpool type Buffers Page-Fixed? Retrieves by RBA Records altered VSAM Reads Found in pool Buffers in error Hit ratio

| | | | | | | | |

POL1 Data No 23876 8763 1298 1098 0 84.5%

| | | | | | | | |

Backed by Pool number IOBs Page-Fixed? Retrieves by Key Records created VSAM Writes Sync points taken Maximum errors Subpool # within pool | hiperspace? | | | | | | | |

0 1 No 123 109 63 1 0 No

| | | | | | | | |

+-----------------------------+-------- +--------------------------------------

|

VSAM Subpool # 2 -

9 buff

+-----------------------------+--------

  • -

    +-------------------------+--

------------------------------ ers of 2048 bytes each

  • -

    +-------------------------+--

  • ---------

    +

  • ---------

    +

|

  • ---------

    +

| | | | | | | | |

Pool ID Subpool type Buffers Page-Fixed? Retrieves by RBA Records altered VSAM Reads Found in pool Buffers in error Hit ratio

| | | | | | | | |

POL1 Data No 7654 1987 298 109 0 36.5%

| |

| | | | | |

|

IOBs Page-Fixed? Retrieves by Key Records created VSAM Writes Sync points taken Maximum errors

| | | | | |

Backed by

hiperspace?

|

Pool number Subpool # within pool | |

0 2 No 2671 732 287 16 0 No

| | | | | | | | |

+-----------------------------+-------- +--------------------------------------

|

VSAM Subpool # 3 - 20 buff

+-----------------------------+--------

  • -

    +-------------------------+--

------------------------------ ers of 4096 bytes each

  • -

    +-------------------------+--

  • ---------

    +

  • ---------

    +

|

  • ---------

    +

| | | | | | | | | |

| |

Pool ID Subpool type Buffer size Buffers Page-Fixed? Retrieves by RBA Records altered VSAM Reads Found in pool Buffers in error Hit ratio

| | | | | | | | | |

POL1 Data 4096 No 7654 1987 298 109 0 53.7%

Databases assigned to subpool: XDCPA123 XDCPA125 XDCPA985

|

| | | | | | | | |

Pool number

|

Subpool # within pool | | | | | | | | Number of buffers IOBs Page-Fixed? Retrieves by Key Records created VSAM Writes Sync points taken Maximum errors Backed by hiperspace? |

0 3 20 No 2671 732 287 16 0 Yes

| | | | | | | | | | | |

+-----------------------------+--------

  • -

    +-------------------------+--

  • ---------

    +

180

OMEGAMON II for DBCTL Historical Component (EPILOG) Reference Manual Version 510

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