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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17362) The MAX_PREWARM_TIME should be configurable on HoS
Date Fri, 08 Sep 2017 05:00:01 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16158129#comment-16158129
] 

Lefty Leverenz commented on HIVE-17362:
---------------------------------------

Okay, I moved *hive.prewarm.spark.timeout* to the Spark section and added "when *hive.prewarm.enabled*
is true" to the description.  I also added links to the other prewarm configs, which remain
in the Tez section to avoid duplication.

* Spark section:  [hive.prewarm.spark.timeout | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.prewarm.spark.timeout]
* Tez section:  [hive.prewarm.enabled | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.prewarm.enabled]
* Tez section:  [hive.prewarm.numcontainers | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.prewarm.numcontainers]


> The MAX_PREWARM_TIME should be configurable on HoS
> --------------------------------------------------
>
>                 Key: HIVE-17362
>                 URL: https://issues.apache.org/jira/browse/HIVE-17362
>             Project: Hive
>          Issue Type: Improvement
>          Components: Spark
>    Affects Versions: 3.0.0
>            Reporter: Peter Vary
>            Assignee: Peter Vary
>             Fix For: 3.0.0
>
>         Attachments: HIVE-17362.2.patch, HIVE-17362.patch
>
>
> When using HIVE_PREWARM_ENABLED, we are waiting MAX_PREWARM_TIME for the containers to
warm up. This is currently set to 5s. This is often not enough for a spark session to initialize
the executors. We should be able to configure this, so we can set a value which has an effect.



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