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From "Xiaobing Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-9741) Refactor MetaStoreDirectSql constructor
Date Mon, 23 Feb 2015 22:04:11 GMT

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

Xiaobing Zhou updated HIVE-9741:
--------------------------------
    Summary: Refactor MetaStoreDirectSql constructor   (was: Refactor MetaStoreDirectSql by
using getProductName instead of querying DB to determine DbType)

> Refactor MetaStoreDirectSql constructor 
> ----------------------------------------
>
>                 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, HIVE-9741.2.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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