Vlad Zolotarov 4cb245fe3c loading_cache: account unprivileged section evictions ...

Provide a template parameter to provide a static callbacks object to
increment a counter of evictions from the unprivileged section.

If entries are evicted from the cache while still in the unprivileged
section indicates a not efficient usage of the cache and should be
investigated.

This patch instruments authorized_prepared_statements_cache and a
prepared_statements_cache objects to provide non-empty callbacks.

Signed-off-by: Vlad Zolotarov <vladz@scylladb.com>

2021-11-29 21:45:53 -05:00

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