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https://issues.apache.org/jira/browse/CASSANDRA-17225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ekaterina Dimitrova updated CASSANDRA-17225:
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Reviewers: Ekaterina Dimitrova
> Add a virtual table for exposing batch metrics
> ----------------------------------------------
>
> Key: CASSANDRA-17225
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17225
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Virtual Tables
> Reporter: Benjamin Lerer
> Assignee: Michael Burman
> Priority: Normal
> Labels: AdventCalendar2021, lhf
> Time Spent: 10m
> Remaining Estimate: 0h
>
> There are some existing metrics within BatchMetrics that provide metrics
> about related to the different types of Batches being executed. We should
> expose those through a virtual table.
> +Additional information for newcomers:+
> A new class should be created for representing the new Virtual Table in
> {{org.apache.cassandra.db.virtual}}. You can look at {{ThreadPoolsTable}} for
> an example of virtual table implementation and to {{TableMetricTables}} for
> how Histogram metrics can be exposed. The new table will need to be
> registered in {{SystemViewsKeyspace}}.
> Some unit tests should be added. For some example of virtual table tests you
> can look at {{SystemPropertiesTableTest}}.
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