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https://issues.apache.org/jira/browse/CASSANDRA-7719?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14127999#comment-14127999
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Benedict commented on CASSANDRA-7719:
-------------------------------------
Only after constructing an object array and boxing the parameters. It cannot
optimise that away since it happens prior to the invocation.
> Add PreparedStatements related metrics
> --------------------------------------
>
> Key: CASSANDRA-7719
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7719
> Project: Cassandra
> Issue Type: New Feature
> Reporter: Michaël Figuière
> Assignee: T Jake Luciani
> Priority: Minor
> Fix For: 2.1.1
>
> Attachments: 7719.txt
>
>
> Cassandra newcomers often don't understand that they're expected to use
> PreparedStatements for almost all of their repetitive queries executed in
> production.
> It doesn't look like Cassandra currently expose any PreparedStatements
> related metrics.It would be interesting, and I believe fairly simple, to add
> several of them to make it possible, in development / management / monitoring
> tools, to show warnings or alerts related to this bad practice.
> Thus I would suggest to add the following metrics:
> * Executed prepared statements count
> * Executed unprepared statements count
> * Amount of PreparedStatements that have been registered on the node
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