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comparison Sphinx/source/faq/scalability.rst @ 646:fe7b80fe3caf

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 24 Apr 2021 11:11:00 +0200
parents 411e82bb3a9f
children fcb215df05cb
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645:187a18c6c646 646:fe7b80fe3caf
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