Make rows_cached and keys_cached globally override-able
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Key: CASSANDRA-1461
URL: https://issues.apache.org/jira/browse/CASSANDRA-1461
Project: Cassandra
Issue Type: Improvement
Components: Core
Reporter: Jeremy Hanna
It would be nice to make rows_cached and keys_cached globally override-able.
rows_cached - options to disable globally
It would be nice to have a setting to be able to globally disable the
rows_cached setting. In a system where there are multiple users/applications
on a single cassandra cluster, rows_cached can become unmanageable in its
current form. It's just too memory intensive and with competing applications
on a single cluster, it's hard to guarantee isolation and QoS.
keys_cached - option to have a global limit override
When there are multiple users/application, even the keys_cached could
potentially get out of control. So it would be nice to be able give an overall
limit on how many keys can be cached per column family or possibly a total for
the keyspace, as keyspace usually translates into a specific application. So
once the column family has reached the global limit, it would just stay at that
limit.
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