Mercurial > hg > orthanc-book
comparison Sphinx/source/plugins/mysql.rst @ 270:f29d75bc5c25
more info about database locking
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Sat, 24 Aug 2019 10:53:13 +0200 |
| parents | 1af668e84f4d |
| children | 011b01ccf52d |
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| 269:182f4fdeeb47 | 270:f29d75bc5c25 |
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| 164 <https://dev.mysql.com/doc/refman/8.0/en/miscellaneous-functions.html#function_get-lock>`__) | 164 <https://dev.mysql.com/doc/refman/8.0/en/miscellaneous-functions.html#function_get-lock>`__) |
| 165 to prevent other instances of Orthanc from using the same database. If | 165 to prevent other instances of Orthanc from using the same database. If |
| 166 you want several instances of Orthanc to share the same database, set | 166 you want several instances of Orthanc to share the same database, set |
| 167 the ``Lock`` option to ``false`` in the configuration file. | 167 the ``Lock`` option to ``false`` in the configuration file. |
| 168 | 168 |
| 169 Obviously, one must be very cautious when sharing the same database | 169 In the absence of locking, the same limitation apply to the |
| 170 between instances of Orthanc. In particular, all these instances | 170 MySQL/MariaDB plugins than to the PostgreSQL plugins (i.e. at most one |
| 171 should share the same configuration. | 171 instance of Orthanc writing to the database). For more information, |
| 172 please check out the :ref:`documentation for PostgreSQL | |
| 173 <postgresql-lock>`. |