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https://issues.apache.org/jira/browse/PHOENIX-79?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Samarth updated PHOENIX-79:
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Summary: Change the way QueryServices is initialized and requested to make
it more perfomant. (was: Change the way QueryServices is initialized to make
initialization more performant)
> Change the way QueryServices is initialized and requested to make it more
> perfomant.
> ------------------------------------------------------------------------------------
>
> Key: PHOENIX-79
> URL: https://issues.apache.org/jira/browse/PHOENIX-79
> Project: Phoenix
> Issue Type: Improvement
> Affects Versions: 3.0.0
> Reporter: Samarth
> Assignee: Samarth
> Attachments: dcl_exception_columnsize.diff, patch-79-80-v2.diff
>
>
> PhoenixDriver#getQueryServices() currently has a synchronized for guarding
> the lazy initialization of queryServices. Changing it to
> double-checked-locking pattern should make it more perfomant when connections
> are requested concurrently.
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