Shalin Shekhar Mangar created SOLR-13433:
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Summary: Optionally track and expose ram usage for filter and
query result caches
Key: SOLR-13433
URL: https://issues.apache.org/jira/browse/SOLR-13433
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Shalin Shekhar Mangar
Assignee: Shalin Shekhar Mangar
Fix For: 8.1, master (9.0)
One can enable maxRamMB on filter and query result caches and in that case the
ram usage of the caches is maintained and exposed as well as the entries are
evicted according to overall ram usage. However, the two features need not be
coupled together i.e. tracking and exposing ram usage can be a separate feature
from evicting by ram usage.
I propose to add an optional {{showRamUsage}} to filter and query result caches
that can be enabled to expose ram size of the cache. The default will be off
but if {{maxRamMB} is set then {{showRamUsage}} is automatically set to true.
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