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From "Toivo Adams (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (NIFI-322) New Database Connection Pooling Controller Service
Date Thu, 26 Mar 2015 19:45:54 GMT

     [ https://issues.apache.org/jira/browse/NIFI-322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Toivo Adams updated NIFI-322:
-----------------------------
    Attachment: NIFI-322_26mar2015.patch

Attached please find new patch.
After resolving conflicts I hope it's OK.

> New Database Connection Pooling Controller Service
> --------------------------------------------------
>
>                 Key: NIFI-322
>                 URL: https://issues.apache.org/jira/browse/NIFI-322
>             Project: Apache NiFi
>          Issue Type: New Feature
>          Components: Extensions
>            Reporter: Toivo Adams
>            Assignee: Mark Payne
>            Priority: Minor
>              Labels: controller
>         Attachments: DBCPServiceApacheDBCP14.java, DBCPServiceTest.java, DatabaseSystemDescriptor.java,
DatabaseSystems.java, NIFI-322_01mar2015.patch, NIFI-322_03mar2015.patch, NIFI-322_08mar2015.patch,
NIFI-322_14mar2015.patch, NIFI-322_22mar2015.patch, NIFI-322_24mar2015.patch, NIFI-322_26mar2015.patch,
TestDatabaseSystems.java, TestProcessor.java
>
>
> Often DataFlows contain many processors which deal with database - select, update or
delete different data in different tables. 
> Yet database is same and connection pooling helps to speed up connecting to database
(open connection is fairly expensive). Also configuration must be done only in one place.

> Database Connection Pooling Controller Service helps to solve this in consistent way.

> related
> https://issues.apache.org/jira/browse/NIFI-293 : Add a JDBC Processor for executing arbitrary
SQL queries. 



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