Mercurial > hg > orthanc-book

comparison Sphinx/source/faq/troubleshooting.rst @ 358:011b01ccf52d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fixing external hyperlinks
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 30 Mar 2020 18:47:35 +0200
parents 99ba212989cc
children d217af5e6cb3
comparison
equal deleted inserted replaced
357:6b432ce3a56e 358:011b01ccf52d
3 Troubleshooting 3 Troubleshooting
4 =============== 4 ===============
5 5
6 As a general rule, when you encounter an issue, always make sure that 6 As a general rule, when you encounter an issue, always make sure that
7 you use the `most recent version 7 you use the `most recent version
8 <http://www.orthanc-server.com/download.php>`__ of Orthanc. 8 <https://www.orthanc-server.com/download.php>`__ of Orthanc.
9 9
10 Also make a search on the `Orthanc Users discussion group 10 Also make a search on the `Orthanc Users discussion group
11 <https://groups.google.com/forum/#!forum/orthanc-users>`__, and make a 11 <https://groups.google.com/forum/#!forum/orthanc-users>`__, and make a
12 search in the present Orthanc Book (there is a search field at the top 12 search in the present Orthanc Book (there is a search field at the top
13 of this page). Your issue might indeed have already been discussed in 13 of this page). Your issue might indeed have already been discussed in
63 most recent version of the mainline), or versions more recent than 63 most recent version of the mainline), or versions more recent than
64 ``jodogne/orthanc:1.1.0``. 64 ``jodogne/orthanc:1.1.0``.
65 65
66 * **Orthanc slows down if storing many files**: The default database 66 * **Orthanc slows down if storing many files**: The default database
67 engine that is built in Orthanc is `SQLite 67 engine that is built in Orthanc is `SQLite
68 <https://www.sqlite.org/>`__. As SQLite is above all a lightweight 68 <https://www.sqlite.org/index.html>`__. As SQLite is above all a
69 database engine, it is not designed to `store very large datasets 69 lightweight database engine, it is not designed to `store very large
70 <https://www.sqlite.org/whentouse.html>`__. If you are sure that you 70 datasets <https://www.sqlite.org/whentouse.html>`__. If you are sure
71 have properly disabled run-time debug assertions (cf. above), but 71 that you have properly disabled run-time debug assertions
72 still experience degradation in performance over time, you should 72 (cf. above), but still experience degradation in performance over
73 seriously consider switching to a more scalable database engine. To 73 time, you should seriously consider switching to a more scalable
74 this end, you can notably check out the :ref:`official PostgreSQL 74 database engine. To this end, you can notably check out the
75 plugin <postgresql>`. 75 :ref:`official PostgreSQL plugin <postgresql>`.
76 76
77 As a rule of thumb, the performance of the default SQLite engine 77 As a rule of thumb, the performance of the default SQLite engine
78 built in Orthanc should run fine up to about 50,000 DICOM instances. 78 built in Orthanc should run fine up to about 50,000 DICOM instances.
79 However, we have seen Orthanc running fairly well with more than 2 79 However, we have seen Orthanc running fairly well with more than 2
80 millions of instances. This limit really depends upon your 80 millions of instances. This limit really depends upon your
92 on Windows. Starting with Orthanc 1.0.1, the samples from the 92 on Windows. Starting with Orthanc 1.0.1, the samples from the
93 source distribution have been adapted in this way. 93 source distribution have been adapted in this way.
94 94
95 - As an alternative, you can disable IPv6 support. This is a 95 - As an alternative, you can disable IPv6 support. This is a
96 Windows-specific problem that is discussed `here 96 Windows-specific problem that is discussed `here
97 <http://superuser.com/questions/43823/google-chrome-is-slow-to-localhost>`__ 97 <https://superuser.com/questions/43823/google-chrome-is-slow-to-localhost>`__
98 and `here 98 and `here
99 <http://stackoverflow.com/questions/1726585/firefox-and-chrome-slow-on-localhost-known-fix-doesnt-work-on-windows-7>`__. 99 <https://stackoverflow.com/questions/1726585/firefox-and-chrome-slow-on-localhost-known-fix-doesnt-work-on-windows-7>`__.
100 100
101 * If you experience **slow DICOM transfers under GNU/Linux**, please 101 * If you experience **slow DICOM transfers under GNU/Linux**, please
102 read the `following bug report 102 read the `following bug report
103 <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=785400>`__. This 103 <https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=785400>`__. This
104 issue does *not* affect all the versions of GNU/Linux. A patch to 104 issue does *not* affect all the versions of GNU/Linux. A patch to
134 name such as ``C:\Orthanc``. 134 name such as ``C:\Orthanc``.
135 135
136 * If **Orthanc crashes when handling one large DICOM file**, this most 136 * If **Orthanc crashes when handling one large DICOM file**, this most
137 probably indicates a memory allocation error. Indeed, the `official 137 probably indicates a memory allocation error. Indeed, the `official
138 Windows binaries 138 Windows binaries
139 <http://www.orthanc-server.com/download-windows.php>`__ are compiled 139 <https://www.orthanc-server.com/download-windows.php>`__ are compiled
140 using a 32bit compiler. As a consequence, Orthanc only has access to 140 using a 32bit compiler. As a consequence, Orthanc only has access to
141 less than 4GB of RAM. If this is an important limitation for you, 141 less than 4GB of RAM. If this is an important limitation for you,
142 precompiled command-line versions of Orthanc for Windows 64bit are 142 precompiled command-line versions of Orthanc for Windows 64bit are
143 available courtesy of `Osimis 143 available courtesy of `Osimis
144 <http://www.osimis.io/en/download.html>`__. 144 <https://www.osimis.io/en/download.html>`__.