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From "Sahil Takiar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-17927) Pre-Warm Spark Driver
Date Sat, 28 Oct 2017 03:23:00 GMT
Sahil Takiar created HIVE-17927:
-----------------------------------

             Summary: Pre-Warm Spark Driver
                 Key: HIVE-17927
                 URL: https://issues.apache.org/jira/browse/HIVE-17927
             Project: Hive
          Issue Type: Improvement
          Components: Spark
            Reporter: Sahil Takiar


Hive-on-Spark has an option to pre-warm executors, it would be good to have an option to pre-warm
the HoS driver.

Basically, submit the HoS application as soon as possible, rather than waiting until a query
is ready to be submitted. This can help startup time for the first query run in a HoS session.
The application can be setup in the background while queries are being compiled.



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