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Posted to dev@phoenix.apache.org by "Samarth (JIRA)" <ji...@apache.org> on 2014/02/27 02:46:20 UTC

[jira] [Updated] (PHOENIX-79) Change the way QueryServices is initialized to make initialization more performant

     [ https://issues.apache.org/jira/browse/PHOENIX-79?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Samarth updated PHOENIX-79:
---------------------------

    Attachment: dcl_exception_columnsize.diff

Patch for Phoenix-79 and Phoenix-80. Also added COLUMN_SIZE column to  the getPrimaryKeys call in PhoenixMetaData

> Change the way QueryServices is initialized to make initialization more performant
> ----------------------------------------------------------------------------------
>
>                 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
>
>
> 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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