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https://issues.apache.org/jira/browse/PHOENIX-7464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lokesh Khurana resolved PHOENIX-7464.
-------------------------------------
Resolution: Fixed
> Performance Regression in Connection Initialization due to Configuration
> Handling in ConnInfo
> ---------------------------------------------------------------------------------------------
>
> Key: PHOENIX-7464
> URL: https://issues.apache.org/jira/browse/PHOENIX-7464
> Project: Phoenix
> Issue Type: Bug
> Reporter: Lokesh Khurana
> Assignee: Lokesh Khurana
> Priority: Major
>
> The recent changes to {{ConnectionInfo}} (PHOENIX-6523) to resolve HBase
> connection parameters earlier have introduced a performance regression
>
> The root cause appears to be the heavy operation of creating an
> {{HBaseConnection}} object. In contrast, Hadoop's implementation optimizes
> configuration handling through efficient caching, making {{Configuration}}
> object creation nearly cost-free.
> Possible solutions include:
> # Pre-loading and caching the default {{HBaseConfiguration}} object in
> {{PhoenixDriver}} or {{{}ConnectionInfo{}}}.
> # Investigating why HBase does not use a similar caching mechanism as Hadoop
> and implementing improvements accordingly.
>
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