Mercurial > hg > orthanc-book
comparison Sphinx/source/faq/scalability.rst @ 1034:bbcec5f44c34
PG 6.0
author | Alain Mazy <am@osimis.io> |
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date | Thu, 08 Feb 2024 16:46:35 +0100 |
parents | 5d4701d8fe28 |
children | d2be251975d1 |
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98 * Consider adding ``SaveJobs = false`` | 98 * Consider adding ``SaveJobs = false`` |
99 | 99 |
100 * Since Orthanc 1.9.2 and PostgreSQL plugins 4.0: By default, the | 100 * Since Orthanc 1.9.2 and PostgreSQL plugins 4.0: By default, the |
101 PostgreSQL index plugin uses 1 single connection to the PostgreSQL | 101 PostgreSQL index plugin uses 1 single connection to the PostgreSQL |
102 database. You can have multiple connections by setting the | 102 database. You can have multiple connections by setting the |
103 ``IndexConnectionsCount`` to a higher value (for instance ``5``) in | 103 ``IndexConnectionsCount`` to a higher value (for instance ``50`` or one per HTTP thread) in |
104 the ``PostgreSQL`` section of the configuration file. This will | 104 the ``PostgreSQL`` section of the configuration file. This will |
105 improve concurrency. Check out :ref:`the explanation below <multiple-writers>`. | 105 improve concurrency. Check out :ref:`the explanation below <multiple-writers>`. |
106 | 106 |
107 * Since Orthanc 1.9.2 and PostgreSQL plugins 4.0: If you have an | 107 * Since Orthanc 1.9.2 and PostgreSQL plugins 4.0: If you have an |
108 hospital-wide VNA deployment, you could consider to deploy multiple | 108 hospital-wide VNA deployment, you could consider to deploy multiple |
109 Orthanc servers sharing the same PostgreSQL database. A typical | 109 Orthanc servers sharing the same PostgreSQL database. A typical |
110 scenario is having one "writer" Orthanc server that handles the | 110 scenario is having one "writer" Orthanc server that handles the |
111 ingesting of DICOM instances, and multiple "reader" Orthanc servers | 111 ingesting of DICOM instances, and multiple "reader" Orthanc servers |
112 with features such as DICOMweb or viewers. | 112 with features such as DICOMweb or viewers. |
113 | |
114 * Since Orthanc 1.12.3 and PostgreSQL plugins 6.0: You may enable | |
115 the ``ReadCommitted`` transaction mode to allow multiple threads to | |
116 write in DB at the same time. | |
113 | 117 |
114 * From Orthanc 1.11.0: you have the ability to add | 118 * From Orthanc 1.11.0: you have the ability to add |
115 more :ref:`main DICOM tags <main-dicom-tags>` in the Orthanc Index | 119 more :ref:`main DICOM tags <main-dicom-tags>` in the Orthanc Index |
116 to speed up C-Find, ``tools/find``, DICOMWeb QIDO-RS, WADO-RS and | 120 to speed up C-Find, ``tools/find``, DICOMWeb QIDO-RS, WADO-RS and |
117 especially WADO-RS Retrieve Metadata. | 121 especially WADO-RS Retrieve Metadata. |