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Posted to commits@cassandra.apache.org by "Benjamin Lerer (JIRA)" <ji...@apache.org> on 2018/08/02 12:36:00 UTC
[jira] [Updated] (CASSANDRA-14538) Add virtual table to view cache
information
[ https://issues.apache.org/jira/browse/CASSANDRA-14538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Benjamin Lerer updated CASSANDRA-14538:
---------------------------------------
Reviewer: (was: Benjamin Lerer)
> Add virtual table to view cache information
> -------------------------------------------
>
> Key: CASSANDRA-14538
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14538
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Chris Lohfink
> Assignee: Chris Lohfink
> Priority: Minor
> Labels: virtual-tables
>
> Add a table for displaying the general cache information (like in {{nodetool info}})
> {code}
> cqlsh> SELECT * FROM system_views.caches;
> name | entries | hit_ratio | hits | recent_hits_per_sec | recent_requests_per_sec | requests | size_max | size_used
> ---------+---------+-----------+------+---------------------+-------------------------+----------+----------+-----------
> counter | 0 | NaN | 0 | 0 | 0 | 0 | 12582912 | 0
> key | 19 | 0.922509 | 250 | 11 | 13 | 271 | 25165824 | 1728
> row | 0 | NaN | 0 | 0 | 0 | 0 | 16777216 | 0
> (3 rows)
> {code}
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