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Posted to issues@hive.apache.org by "BELUGA BEHR (JIRA)" <ji...@apache.org> on 2017/06/10 16:02:18 UTC
[jira] [Updated] (HIVE-16879) Improve Cache Key
[ https://issues.apache.org/jira/browse/HIVE-16879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
BELUGA BEHR updated HIVE-16879:
-------------------------------
Status: Patch Available (was: Open)
> Improve Cache Key
> -----------------
>
> Key: HIVE-16879
> URL: https://issues.apache.org/jira/browse/HIVE-16879
> Project: Hive
> Issue Type: Improvement
> Components: Metastore
> Affects Versions: 2.1.1, 3.0.0
> Reporter: BELUGA BEHR
> Priority: Trivial
> Attachments: HIVE-16879.1.patch
>
>
> Improve cache key for cache implemented in {{org.apache.hadoop.hive.metastore.AggregateStatsCache}}.
> # Cache some of the key components themselves (db name, table name) to conserve memory for repeated keys and to improve {{equals}} method as now references can be used for equality
> # Upgrade _debug_ logging to not generate text unless required
> # Changed _equals_ method to check first for the item most likely to be different, column name
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