This sample table sizes log streams for IMS summary data records:
RetPd Days |
Avg Rec Length |
Hourly Count |
Total Byte Requirement |
Max Dsns |
4-KB Blocks |
Cyls |
---|---|---|---|---|---|---|
5 |
520 |
10000 |
624,000,000 |
100 |
1,523 |
8 |
5 |
520 |
50000 |
3,120,000,000 |
100 |
7,617 |
37 |
5 |
520 |
100000 |
6,240,000,000 |
120 |
12,695 |
62 |
Consider the following:
This count equates to the average number of IMS region termination events that execute per hour. The region summary region is written when an IMS region terminates.
This figure applies to message, BMP and DBT region types. 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 get logged to the log stream, then this value must be the combined total for those IMS regions.
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