Calculating MQ data space

Two tables are used to store MQ data.

About this task

Collect MQ data as follows:
  1. Estimate the number of application programs that are used in the CICS® region that use MQ. Call this number NUM_MQ_PROG.
  2. Estimate the average number of MQ calls per program. Call this number AVG_MQ.
  3. Estimate the number of transaction and program associations. In this example, the estimate is that each can be associated with five transactions.
  4. Calculate MQ data space as follows:
    (103 * NUM_MQ_PROG * AVG_MQ * PROG_TRAN_RATIO) + 
    (60 * NUM_MQ_PROG * AVG_MQ * PROG_TRAN_RATIO)  = MQ_DS bytes

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Timestamp icon Last updated: Friday, 7 February 2014


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