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https://issues.apache.org/jira/browse/PIG-2855?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitriy V. Ryaboy updated PIG-2855:
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Attachment: PIG-2855.patch
Attaching patch, complete with docs.
Pasting usage here:
# Use this option to turn on UDF timers. This will cause two
# counters to be tracked for every UDF and LoadFunc in your script:
# approx_microsecs measures approximate time spent inside a UDF
# approx_invocations reports the approximate number of times the UDF was invoked
# pig.udf.profile=false
> Provide a method to measure time spent in UDFs
> ----------------------------------------------
>
> Key: PIG-2855
> URL: https://issues.apache.org/jira/browse/PIG-2855
> Project: Pig
> Issue Type: New Feature
> Reporter: Dmitriy V. Ryaboy
> Attachments: PIG-2855.patch
>
>
> When debugging slow jobs, it is often useful to know whether time is being
> spent in UDFs, and in which UDFs. This is easy to measure from within the
> framework, we should let users optionally track these metrics.
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