Retain Monitoring Data

Adaptive Server version 15.7 does not store the descriptors for some objects in the metadata cache. Instead, it retains monitoring data stored in the descriptors, thus improving query performance.

The metadata cache is a limited resource and can hold a limited number of object descriptors. Adding descriptors to the cache may cause other descriptors to be flushed from the cache.

Adaptive Server discards the descriptor for an object that is not already in the cache, instead of consuming resources when you run these functions:

See the Reference Manual: Building Blocks.