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https://issues.apache.org/jira/browse/HIVE-13842?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16188672#comment-16188672
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Eugene Koifman commented on HIVE-13842:
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This is now possible via _datanucleus.connectionPool.maxPoolSize_ since
hive-16383
> Expose ability to set number of connections in the pool in TxnHandler
> ---------------------------------------------------------------------
>
> Key: HIVE-13842
> URL: https://issues.apache.org/jira/browse/HIVE-13842
> Project: Hive
> Issue Type: Improvement
> Components: Transactions
> Affects Versions: 1.0.0
> Reporter: Eugene Koifman
> Assignee: Eugene Koifman
> Priority: Critical
>
> Current defaults are hardcoded 8/10 for dbcp/bonecp
> Various Connection pool managers support reading configs from a config file.
> The implementation would ideally allow end user to point Hive at the manager
> specific config file to let the user have full control
> HikariCP supports
> HikariConfig config = new HikariConfig("/some/path/hikari.properties");
> see https://github.com/brettwooldridge/HikariCP
> BoneCP supports
> bonecp-config.xml
> see
> https://github.com/wwadge/bonecp/blob/master/bonecp/src/main/java/com/jolbox/bonecp/BoneCPConfig.java
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