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https://issues.apache.org/jira/browse/KUDU-3148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Grant Henke reassigned KUDU-3148:
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Assignee: (was: Grant Henke)
> Add Java client metrics
> -----------------------
>
> Key: KUDU-3148
> URL: https://issues.apache.org/jira/browse/KUDU-3148
> Project: Kudu
> Issue Type: Improvement
> Components: client
> Affects Versions: 1.12.0
> Reporter: Grant Henke
> Priority: Major
> Labels: roadmap-candidate, supportability
>
> This Jira is to track adding complete metrics to the Java client. There are
> many cases where applications using the client have issues that are difficult
> to debug. The primary reason is that it's hard to reason about what the
> application is doing with the Kudu client without inspecting the code, and
> even then it can be easy to miss an issue in the code as well.
> For example we have seen many cases where an application creates a Kudu
> client, sends a few messages, and then closes the client in a loop. Creating
> many clients over an over not only impacts performance/stability of the
> application but can also put unwelcome load on the servers. If we had request
> metrics with a client id tag periodically logged, then it would be easy to
> grep the application logs for unique client ids and spot the issue and the
> offending application.
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