# HG changeset patch
# User Alain Mazy <am@orthanc.team>
# Date 1719822235 -7200
# Node ID eaf09977e3e93cabd29d6cc83e03a311ae75d350
# Parent  faf18bfe89a0d38a99abbb83c998ae4171fc2e95
ReadCommitted

diff -r faf18bfe89a0 -r eaf09977e3e9 Sphinx/source/faq/scalability.rst
--- a/Sphinx/source/faq/scalability.rst	Fri Jun 28 11:16:58 2024 +0200
+++ b/Sphinx/source/faq/scalability.rst	Mon Jul 01 10:23:55 2024 +0200
@@ -319,7 +319,11 @@
   option to control the maximum number of retries. If the maximum
   number of retries is exceeded, the ``503 Service Unavailable`` HTTP
   error is raised (server overloaded because of unsuccessful retries
-  of concurrent transactions).
+  of concurrent transactions).  Note that, since version 6.0 of the PostgreSQL
+  plugin, it is now possible to configure the ``TransactionMode`` to 
+  ``ReadCommitted`` instead of the default ``Serializable`` mode to avoid
+  most of the transactions collisions.  This option is not (yet) available
+  for the MySQL plugin.
 
 * If a higher-level application **modifies metadata and/or
   attachments** in the presence of multiple writers, Orthanc provides