Parameter: SUBSCRIPTION_CACHE_INSTANCES

Maximum number of subcaches for the SUBSCRIPTION cache

Name SUBSCRIPTION_CACHE_INSTANCES
Category Parameter
Type string
Access

R/W(-): Dynamic Read / static Write (online change not possible)

Group(s) Concurrency, Cache (Data)
Description

This parameter sets the maximum number of subcaches in the SUBSCRIPTION data cache. This data cache is divided into smaller subcaches for reducing contention in the cache.

This parameter is defaulted to the first prime number greater than 8 times the number of CPUs. In general, there is no need to modify it.

Recommendation

The size of one cache instance must be set to 2.5 Mb. Change this parameter according to the total size of this data cache (see SUBSCRIPTION_CACHE_SIZE parameter).

System Instance(s) rater, updater
Default Value
rater computed
updater computed
Constraint(s)
rater The parameter must be a computed integer (with the value 'computed' or any integer value)
updater The parameter must be a computed integer (with the value 'computed' or any integer value)



SAP Convergent Charging 3.0

Document Version: SP04 and later

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