For some tables, many changes (or subsequent inserts and deletes) per table record are executed. Each such change results in the creation of a logging table entries, which means, there might be many logging table entries for the same original table record.
In order to reduce the number of logging table entries that need to be processed by the online delta replay, a preprocessing of these logging table entries can be done. For this purpose, a report must be generated for each table (logging table) by means of report
IUUC_GENERATE_LOGTAB_CLEANUP which must be started in the central
system.
Once the reports are generated, this report can be used to
periodically schedule batch jobs for all the selected logging tables.
You need to specify the number of such jobs that are allowed to run in
parallel, and the point in time when the periodic job scheduling should
end.
Selection
You need to specify:
- The number of preprocessing jobs to be scheduled.
- The date and time of the last preprocessing run.
- The time (in minutes) after which a new controller job should be started, which would replace the old one, if the latter is aborted.
