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Displaying IMS Logging Statistics (RLOG)

WADS USED WADS SPARES

The average number of WADS used.

The average number of WADS which have not been used (WADS DEFINED - WADS USED).

OLDS LOGGING WADS LOGGING

This will be either single or dual.

This will be either single, dual, or inactive (inactive could result from WADS being smaller than OLDS buffer).

AUTO ARCHIVE LIMIT

This will be none (when not set) or the limit last seen for this interval.

Following are the fields in Part II, the Logging Statistics:

LOG RECORDS

The cumulative number of log records written.

WRITE AHEAD RQSTS

The cumulative number of write ahead requests.

DC WAITS FOR WRITE AHEAD The number of DC waits for write ahead.

(This section is not applicable in a DBCTL environment.)

OUTPUT BUFFER WAITS

The number of output buffer waits.

CHECKPOINT OUTPUT BUFFER WAITS

The number of waits for a log buffer during checkpoint processing.

WADS EXCPVRS

  • #

    2K BLOCKS WADS

OLDS BLOCKS WRITTEN OLDS BLOCKS READ

  • #

    SYSTEM CHECKPOINTS

The cumulative number of WADS EXCPVRS. The number of 2K blocks written for WADS. The number of blocks written for OLDS. The number of blocks read from OLDS. The cumulative number of system checkpoints

Following are the fields in Part III, OLDS Buffer Statistics:

DEFINED AVAILABLE

The fixed number of OLDS buffers defined. The average number of OLDS buffers available.

USED FOR WRITES

The average number of OLDS buffers used for writes.

ALLOWED FOR READS

The fixed number of OLDS buffers allowed for reads.

USED FOR READS

The average number of OLDS buffers used for reads.

162

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

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