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https://issues.apache.org/jira/browse/HIVE-10382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14518994#comment-14518994
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Lefty Leverenz commented on HIVE-10382:
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Doc note: This adds 10 configuration parameters to HiveConf.java, so they need
to be documented in the Metastore section of Configuration Properties -- should
they also be discussed (or just listed) in the Metastore Admin doc?
# hive.metastore.aggregate.stats.cache.enabled
# hive.metastore.aggregate.stats.cache.size
# hive.metastore.aggregate.stats.cache.max.partitions
# hive.metastore.aggregate.stats.cache.fpp
# hive.metastore.aggregate.stats.cache.max.variance
# hive.metastore.aggregate.stats.cache.ttl
# hive.metastore.aggregate.stats.cache.max.writer.wait
# hive.metastore.aggregate.stats.cache.max.reader.wait
# hive.metastore.aggregate.stats.cache.max.full
# hive.metastore.aggregate.stats.cache.clean.until
* [Configuration Properties -- Metastore |
https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-MetaStore]
* [Metastore Administration |
https://cwiki.apache.org/confluence/display/Hive/AdminManual+MetastoreAdmin]
** [Metastore Admin -- Additional Configuration Parameters |
https://cwiki.apache.org/confluence/display/Hive/AdminManual+MetastoreAdmin#AdminManualMetastoreAdmin-AdditionalConfigurationParameters]
> Aggregate stats cache for RDBMS based metastore codepath
> --------------------------------------------------------
>
> Key: HIVE-10382
> URL: https://issues.apache.org/jira/browse/HIVE-10382
> Project: Hive
> Issue Type: Improvement
> Components: Metastore
> Affects Versions: 1.2.0
> Reporter: Vaibhav Gumashta
> Assignee: Vaibhav Gumashta
> Labels: TODOC1.2
> Fix For: 1.2.0
>
> Attachments: HIVE-10382.1.patch, HIVE-10382.1.patch,
> HIVE-10382.2.patch, HIVE-10382.2.patch, HIVE-10382.3.patch
>
>
> Similar to the work done on the HBase branch (HIVE-9693), the stats cache can
> potentially have performance gains.
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