Mercurial > hg > orthanc-book
comparison Sphinx/source/faq/scalability.rst @ 646:fe7b80fe3caf
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Sat, 24 Apr 2021 11:11:00 +0200 |
parents | 411e82bb3a9f |
children | fcb215df05cb |
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645:187a18c6c646 | 646:fe7b80fe3caf |
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263 PostgreSQL or MySQL, in order to improve performance by adding | 263 PostgreSQL or MySQL, in order to improve performance by adding |
264 concurrency. Read-only database transactions are also distinguished | 264 concurrency. Read-only database transactions are also distinguished |
265 from read-write transactions in order for the database engine to | 265 from read-write transactions in order for the database engine to |
266 further optimize the patterns of access. | 266 further optimize the patterns of access. |
267 | 267 |
268 Summarizing, the **multiple readers/writers** is now possible. Here | 268 Summarizing, the **multiple readers/writers** is now possible. Here is |
269 is a drawing representing a possible deployment: | 269 a drawing representing a possible deployment with 4 Orthanc servers, |
270 all sharing the same DICOM images, with some servers handling multiple | |
271 connections to a PostgreSQL database for higher throughput: | |
270 | 272 |
271 .. image:: ../images/2021-04-22-MultipleWriters.png | 273 .. image:: ../images/2021-04-22-MultipleWriters.png |
272 :align: center | 274 :align: center |
273 :width: 500px | 275 :width: 500px |
274 | 276 |