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https://issues.apache.org/jira/browse/DRILL-7466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arina Ielchiieva resolved DRILL-7466.
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Resolution: Fixed
Merged into master with commit id 50cd931da0364355535029db8e9d7a1445218803.
> Configurable number of connection in JDBC storage connection pool
> -----------------------------------------------------------------
>
> Key: DRILL-7466
> URL: https://issues.apache.org/jira/browse/DRILL-7466
> Project: Apache Drill
> Issue Type: Improvement
> Components: Storage - JDBC
> Affects Versions: 1.17.0
> Reporter: Priyanka Bhoir
> Assignee: Arina Ielchiieva
> Priority: Major
> Fix For: 1.18.0
>
>
> Drill does not allow the number of connections in the pool to configured
> When a JDBC storage plugin is created, it creates 8 connections per plugin
> which happen to be the default for dbcp connection pool. Currently, there is
> no way to configure these parameters using storage configuration. Max Idle is
> set to 8 leaving all connections open even when unused. This situation
> creates an unnecessary connection to DB.
> These parameters must be made configuration in the JDBC storage plugin
> configuration.
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