[jira] [Created] (CASSANDRA-20026) Integrate SAI's index state and query performance metrics w/ nodetool tablestats

["Caleb Rackliffe (Jira)" <ji...@apache.org>]

Caleb Rackliffe created CASSANDRA-20026:
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             Summary: Integrate SAI's index state and query performance metrics w/ nodetool tablestats
                 Key: CASSANDRA-20026
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-20026
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Caleb Rackliffe
            Assignee: Caleb Rackliffe


The output structure of {{nodetool tablestats}} might be amenable to adding a number of SAI state/performance metrics, which are predominantly table-scoped. (There are some that are scoped at the column level, of course, but the table-level items could be useful if we don't want to directly call JMX and want a general idea of how we're doing with things like post-filtering read latency.)

The decisions we have to make are along the lines of "What percentile to use for post-filtering read latency?", but I imagine we can follow whatever existing pattern exists.



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