this Enqueue monitor structure cannot be really used to monitor locks. The information in this monitor is updated every 5 minutes, but if you look at the enqueue statistics in sm12, the enqueue information changes much faster than every 5 minutes. Currently RZ20 does not have a proper possibility to monitor locks, it is too slow for sm12, it will not catch all situations with the locks reaches 80%. The enqueue monitor you have mentioned is nice, but it cannot be really used to monitor enqueue statistics.
Please take a look also at KBA:
1935972 - Proactive lock monitoring in SM12 through RZ20 (CCMS)
it describes, how to define threshold values and assign a central autoreaction in this enqueue monitor. But please keep in mind, that not all error situations will be catched in this monitor.
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