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From "Prasanth J (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-6300) Add documentation for stats configs to hive-default.xml.template
Date Mon, 27 Jan 2014 20:59:41 GMT

     [ https://issues.apache.org/jira/browse/HIVE-6300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Prasanth J updated HIVE-6300:
-----------------------------

    Attachment: HIVE-6300.2.patch

[~leftylev] Thanks for pointing out the nitty-gritty mistakes. That was really usefull. I
removed the hive config hive.stats.avg.row.size as it is no longer required. Average row size
will be computed from data size and schema in very stages of operator tree (TableScanOperator),
so it should be available to all operators (including LIMIT). Can you please skim through
it again to see if it looks good?

> Add documentation for stats configs to hive-default.xml.template
> ----------------------------------------------------------------
>
>                 Key: HIVE-6300
>                 URL: https://issues.apache.org/jira/browse/HIVE-6300
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Query Processor, Statistics
>    Affects Versions: 0.13.0
>            Reporter: Prasanth J
>            Assignee: Prasanth J
>            Priority: Minor
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6300.1.patch, HIVE-6300.2.patch
>
>
> Add documentation for the following configs
> hive.stats.max.variable.length
> hive.stats.list.num.entries
> hive.stats.map.num.entries
> hive.stats.map.parallelism
> hive.stats.fetch.column.stats
> hive.stats.avg.row.size
> hive.stats.join.factor
> hive.stats.deserialization.factor
> hive.stats.fetch.partition.stats



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