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authorplegall <plg@piwigo.org>2005-09-03 16:36:05 +0000
committerplegall <plg@piwigo.org>2005-09-03 16:36:05 +0000
commit7eae7595909a49d4355453c73638151097a53f20 (patch)
treeec20fce221086be1ece0f292a953264d90ec5360 /language/en_UK.iso-8859-1/help/maintenance.html
parent857eec2218afe027b9d87f91aa7de144fc4e3111 (diff)
- modification : less configuration parameters in administration
screen. These parameters are move to include/config_default.inc.php. - new : ability to add a single picture to caddie from picture.php - new : contextual help, only a few pages are available. - new : ability to delete users from admin/user_list - modification : reorganization of configuration file - new : configuration parameter use_exif_mapping - improvement : MOD hidemail added to standard git-svn-id: http://piwigo.org/svn/trunk@858 68402e56-0260-453c-a942-63ccdbb3a9ee
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+<h2>Maintenance</h2>
+
+<p>To optimize page generation time, PhpWebGallery uses cached
+information. For example, instead of counting the number of pictures
+contained in each category at each page reload, this information is stored
+in the database. In theory, this information should always be correct, but
+sometimes an error can occur and cached information becomes wrong.</p>
+
+<p>Some informations become useless with time. Deleting this useless
+information from database make you save disk space.</p>
+
+<ul>
+
+ <li><strong>update categories informations</strong>. For each category,
+ informations to update or control are the following : list of parent
+ categories, number of pictures, date of the last picture, position among
+ brother categories, position among all categories. This action also checks
+ the coherence of representative picture.</li>
+
+ <li><strong>update images informations</strong>. For each picture,
+ informations to update are : full path to file, averate
+ rate. <em>Warning</em>: do not get confuse with metadata informations
+ which can be synchronized from <span class="pwgScreen">Administration,
+ General, Synchronize</span> or by reaching the modification screen of a
+ single picture (through <span class="pwgScreen">Picture</span> for
+ example).</li>
+
+ <li><strong>purge history</strong>. Delete all lines from
+ <code>history</code> table. Screen <span class="pwgScreen">Administration,
+ General, History</span> shows no informations anymore on past
+ history. <em>Warning</em>: all data will be lost and there is no way to
+ get informations back.</li>
+
+ <li><strong>purge sessions</strong>. Delete expired user sessions.</li>
+
+ <li><strong>purge never used notification feeds</strong></li>
+
+</ul>