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https://issues.apache.org/jira/browse/HIVE-19685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16488158#comment-16488158
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Prasanth Jayachandran commented on HIVE-19685:
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{quote}if you drop one of the tracer implementations onto the classpath, it's
up to you to configure it and provide your own trace collection infrastructure
{quote}
Sounds good!
Agreed that this will be super useful for dev figuring out performance issues.
Once we have the infrastructure we can possibly extend this end-to-end for
entire lifecycle of the query (better PerfLogger). Looking forward to this.
> OpenTracing support for HMS
> ---------------------------
>
> Key: HIVE-19685
> URL: https://issues.apache.org/jira/browse/HIVE-19685
> Project: Hive
> Issue Type: New Feature
> Components: Metastore
> Reporter: Todd Lipcon
> Priority: Major
> Attachments: trace.png
>
>
> When diagnosing performance of metastore operations it isn't always obvious
> why something took a long time. Using a tracing framework can provide an
> end-to-end view of an operation including time spent in dependent systems (eg
> filesystem operations, RDBMS queries, etc). This JIRA proposes to integrate
> OpenTracing, which is a vendor-neutral tracing API into the HMS server and
> client.
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