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changes.mady.by.user Elena Kolesnik

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Contents

Table of Contents
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If you have installed DBCF 3.0.x on Jira 7.x or DBCF 3.1.x / DBCF 4.0.x on Jira 6.x, perform the following steps:

  1. Uninstall SIL Engine™.
  2. Uninstall Power Database Fields PRO™.
  3. Install the version of Power Database Fields PRO™ that is compatible with your Jira.

  4. SIL Engine™ should get updated automatically and should now have the correct version as well.

    Note

    After you uninstall SIL Engine™, some plugins might remain disabled, so you might need to re-enable them manually.

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Power Database Fields PRO™ runs an SQL query every time when a user tries to pull up a screen that contains one of the custom fields. The performance of the custom field cannot exceed the performance of the query when run directly from the database. So, if you have a query that takes 10 seconds to run when running from the database console it will take 10 seconds to run for the custom field. So for instance if you have 5 thousand users who are running a 10-second query every time they go to create a new issue or edit an issue this might have an impact on the performance of the database and increase the response time of Jira when it is running its own queries against the database. This would be true of any database plugin custom field, not just those developed by cPrimeCprime.

There are some design changes that could be used to mitigate the performance risks. For example, you could run the custom fields from a database cluster that is separate from the main Jira database. Also, using normalization on the tables and indexes targeted to the way the custom fields will be searching the tables will increase the performance of the custom fields.

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Expand
titleStep-by-step guide for SQL Server databases
  1. Download the latest jdbc driver for sql server (at this moment it is sqljdbc4.2)  
  2. Extract the archive and copy the .jar file (sqljdbc42.jar) to lib folder, from your JIRA

  3. Update the resource from context.xml accordingly. It should look like this:

    Code Block
    <Resource name="CONNECTION_NAME"
    auth="Container"
    type="javax.sql.DataSource"
    username="USERNAME"
    password="PASSWORD"
    driverClassName="com.microsoft.sqlserver.jdbc.SQLServerDriver"
    url="jdbc:sqlserver://SERVER:PORT;DatabaseName=DATABASE_NAME"/>

  4. Restart Jira.

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titleStep-by-step guide for Postgres databases
  1. Download the latest jdbc driver for Postgres (at this moment it is postgresql-9.4-1204.jdbc4)  

  2. Copy the .jar file (postgresql-9.4-1204.jdbc4.jar) to lib folder, from your JIRA

  3. Restart Jira.

Note

The same problem might occur for other databases as well (Oracle, MySQL, hsql). In this case, follow the same steps, updating the driver and restarting the Jira instance.

Starting with version 4.0.0, you no longer need to change the resource in the context.xml file and can add the resource directly from the UI, via the Datasources page.

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