[jira] [Commented] (HIVE-13931) Add support for HikariCP connection pooling

["Lefty Leverenz (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-13931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15688465#comment-15688465 ] 

Lefty Leverenz commented on HIVE-13931:
---------------------------------------

Doc note:  This adds a new value for *datanucleus.connectionPoolingType* in HiveConf.java, so the wiki description needs to be updated for release 2.2.0.  The parameter could also be documented in the Metastore Administration doc (although it would go in a table that omits most of the datanucleus parameters and has a disclaimer about being obsolete).

* [Configuration Properties -- datanucleus.connectionPoolingType | https://cwiki.apache.org/confluence/display/Hive/Configuration+Properties#ConfigurationProperties-datanucleus.connectionPoolingType]
* [Metastore Administration -- Additional Configuration Parameters | https://cwiki.apache.org/confluence/display/Hive/AdminManual+MetastoreAdmin#AdminManualMetastoreAdmin-AdditionalConfigurationParameters]

Added a TODOC2.2 label.

> Add support for HikariCP  connection pooling
> --------------------------------------------
>
>                 Key: HIVE-13931
>                 URL: https://issues.apache.org/jira/browse/HIVE-13931
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>            Reporter: Sushanth Sowmyan
>            Assignee: Prasanth Jayachandran
>              Labels: TODOC2.2
>             Fix For: 2.2.0
>
>         Attachments: HIVE-13931.2.patch, HIVE-13931.3.patch, HIVE-13931.4.patch, HIVE-13931.patch
>
>
> Currently, we use BoneCP as our primary connection pooling mechanism (overridable by users). However, BoneCP is no longer being actively developed, and is considered deprecated, replaced by HikariCP.
> Thus, we should add support for HikariCP, and try to replace our primary usage of BoneCP with it.
> Note : bonecp is still the default for now, the version of hikaricp being used requires java 8 runtime.



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