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https://issues.apache.org/jira/browse/HIVE-5793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14052986#comment-14052986
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Lefty Leverenz commented on HIVE-5793:
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> So does a negative value mean that file lengths are not calculated, therefore
> fetch task conversion will always occur if hive.fetch.task.conversion is true?
[~gopalv] explained in a comment on HIVE-3990
([https://issues.apache.org/jira/browse/HIVE-3990?focusedCommentId=14052977&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14052977]):
{quote}
-1 does not mean "disabled". it means "infinite"
{quote}
But the description says "Input threshold for applying
hive.fetch.task.conversion" and not "Input threshold for converting to a fetch
task -- so presumably the "minimal" or "more" setting of
hive.fetch.task.conversion still has an effect.
Anyway, all three fetch task parameters are documented in the wiki here:
* [Configuration Properties -- hive.fetch.task.conversion |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.fetch.task.conversion]
* [Configuration Properties -- hive.fetch.task.aggr |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.fetch.task.aggr]
* [Configuration Properties -- hive.fetch.task.conversion.threshold |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-hive.fetch.task.conversion.threshold]
> Update hive-default.xml.template for HIVE-4002
> ----------------------------------------------
>
> Key: HIVE-5793
> URL: https://issues.apache.org/jira/browse/HIVE-5793
> Project: Hive
> Issue Type: Improvement
> Components: Configuration
> Reporter: Navis
> Assignee: Navis
> Priority: Trivial
> Fix For: 0.13.0
>
> Attachments: HIVE-5793.1.patch.txt, HIVE-5793.2.patch.txt,
> HIVE-5793.3.patch.txt
>
>
> Addressing
> https://issues.apache.org/jira/browse/HIVE-3990?focusedCommentId=13818388&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13818388
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