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https://issues.apache.org/jira/browse/HIVE-11294?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14638169#comment-14638169
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Lefty Leverenz edited comment on HIVE-11294 at 7/23/15 5:14 AM:
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Doc note: This creates four configuration parameters, so they will need to be
documented in the wiki after hbase-metastore-branch gets merged to trunk. In
the meantime, I'm linking this issue to HIVE-9752 (Documentation for HBase
metastore).
The new parameters are:
* hive.metastore.hbase.aggr.stats.cache.entries
* hive.metastore.hbase.aggr.stats.memory.ttl
* hive.metastore.hbase.aggr.stats.invalidator.frequency
* hive.metastore.hbase.aggr.stats.hbase.ttl
was (Author: [email protected]):
Doc note: This creates four configuration parameters, so they will need to be
documented in the wiki after hbase-metastore-branch gets merged to trunk. In
the meantime, I'm linking this issue to HIVE-9752 (Documentation for HBase
metastore).
> Use HBase to cache aggregated stats
> -----------------------------------
>
> Key: HIVE-11294
> URL: https://issues.apache.org/jira/browse/HIVE-11294
> Project: Hive
> Issue Type: Improvement
> Components: Metastore
> Affects Versions: hbase-metastore-branch
> Reporter: Alan Gates
> Assignee: Alan Gates
> Fix For: hbase-metastore-branch
>
> Attachments: HIVE-11294.2.patch, HIVE-11294.patch
>
>
> Currently stats are cached only in the memory of the client. Given that
> HBase can easily manage the scale of caching aggregated stats we should be
> using it to do so.
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