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From "Xiaobing Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-9741) Refactor MetaStoreDirectSql by using getProductName instead of querying DB to determine DbType
Date Fri, 20 Feb 2015 18:06:15 GMT

     [ https://issues.apache.org/jira/browse/HIVE-9741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiaobing Zhou updated HIVE-9741:
--------------------------------
    Attachment: HIVE-9741.1.patch

> Refactor MetaStoreDirectSql by using getProductName instead of querying DB to determine
DbType
> ----------------------------------------------------------------------------------------------
>
>                 Key: HIVE-9741
>                 URL: https://issues.apache.org/jira/browse/HIVE-9741
>             Project: Hive
>          Issue Type: Bug
>          Components: Metastore
>    Affects Versions: 1.0.0
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>         Attachments: HIVE-9741.1.patch
>
>
> MetaStoreDirectSql constructor is querying DB to determine dbType. which leads to too
many DB queries to make metastore slow or hanging if MetaStoreDirectSql constructor is frequently
called. This is to propose getProductName to get dbType info. 



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