IFASMFD? should tell you which records are the greatest
volume. Alternatively MXG or MICS daily processing times will also
indicate the source of the increase
My first guess would be that the DB2 folks have turned on some
additional tracing. Next best guess is CICS or MQ activity change.
I would also check for any recent application changes. Some thing as
simple as excessive open/close of a file might be the source of the
increased data.
Or it could be a system change like enabling TYPE99 (WLM) records or
someone changing the RMF interval instead of using the RMF III data
store for an analysis. And security folks have been known to enable
additional logging without advance notice.
Oh, and beware the Ides of March.
Michael
At 11:16 AM 3/15/2022, Peter wrote:
Hello
In last few days our SMF man dataset is getting filled quickly and
usually our SMF man datasets (all three fills up) gets filled in 2-3 days.
Is there a way to track who is writing the data frequently ?
Peter
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