This sample table sizes log streams for IMS transaction data records:
RetPd Days |
Avg Rec Length |
Hourly Count |
Total Byte Requirement |
Max Dsns |
4-KB Blocks |
Cyls |
---|---|---|---|---|---|---|
5 |
450 |
10000 |
540,000,000 |
100 |
1,318 |
7 |
5 |
450 |
50000 |
2,700,000,000 |
100 |
6,592 |
32 |
5 |
450 |
100000 |
5,400,000,000 |
120 |
10,986 |
53 |
Consider the following:
This count equates to the average number of IMS transactions that execute per hour. If the average daily total is known, divide the average daily total by 24 to obtain the hourly value.
If the data from multiple IMS control regions gets logged to the log stream, then this value must be the combined total for those IMS regions.
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