File orthanc-mysql-readme.openSUSE of Package orthanc-mysql

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File orthanc-mysql-readme.openSUSE of Package orthanc-mysql

README: Orthanc for openSUSE
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Orthanc is a RESTful DICOM server for healthcare and medical research.

This package provides the MySQL plugin for Orthanc.

You need to have MySQL/mariadb installed and running.

You have to create a database dedicated to Orthanc. Please refer to the MySQL documentation.

Once Orthanc is installed and the database is created, you must add a section in the Orthanc configuration file that specifies the address of the MySQL server together with your credentials.

You may use /usr/share/doc/packages/orthanc/mysql.json as template and copy it to /etc/orthanc.

You need to restart the Orthanc-Server to enable the configuration.

Remark 1: When using the Storage MySQL plugin, the DICOM files are stored as large objects in the database. This might actually consume more space than the DICOM file itself. We have observed overhead up to 40%. However, it seems this overhead is temporary and comes from Write-Ahead Logging. Check this discussion on the Orthanc Users group for more info).

Remark 2: A typical usage of the MySQL plugin is to enable only the Index, and to use the default filesystem storage for DICOM files (on a NAS with proper disaster recovery strategies). This setup provides best performance for large-scale databases.

Remark 3: Setting the EnableSsl to true forces the use of SSL connections between Orthanc and the MySQL server. It is a synonym for sslmode=require in connections URI (see below). Setting EnableSsl to false corresponds to sslmode=disable (i.e. SSL is not used, even if it is both available in Orthanc and MySQL). To choose other values for the SSL mode (i.e. allow and prefer), please use connection URIs.

Orthanc must of course be restarted after the modification of its configuration file.

Check out http://book.orthanc-server.com/plugins/mysql.html for additional information!

Have fun
Axel Braun <DocB@openSUSE.org> Sat Jan 25 17:59:04 UTC 2020

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