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Resource Model Reference

Low MDL Read Hits

This indication is sent when the MDL read hit from cache does not retrieve a high percentage of data. Continuous occurrences of this indication show that there is not enough cache. Either adding more RAM or adjusting the registry will help this situation.

The indication has the following attributes:

AvrgMDLReadHitsPercent: The percentage average of MDL read hits
TotalAvail: The total of available memory in bytes
TotalWorkingSet: The total working set size in bytes
TotalCache: The total cache size in bytes
PercentAvail: The percentage of available memory in comparison to the size of the working set and the cache
PercentWS: The percentage of working set memory in comparison to the size of available memory and the cache
PercentCache: The percentage of cache memory in comparison to the size of the working set and the available memory

The indication is generated when the following thresholds are exceeded:

Threshold	Description	Default
Low Cache Hits Percent (LowCacheHitsPercent)	The number of MDL read hits is lower than this threshold	70

The following table shows the default settings for this indication:

Setting	Default
Send indications to Tivoli Enterprise Console	No
Send indications to Tivoli Business Systems Manager	No
Occurrences	10
Holes	1

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