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--- administration:search_engine_optimization [2018/12/19 18:52] – [Sitemaps] demiankatz
+++ administration:search_engine_optimization [2018/12/19 19:00] – [Technical Details] demiankatz
@@ Line 26: / Line 26: @@
 ==== Technical Details ====
-Sitemap generation was originally achieved with the help of a custom Solr response handler designed to quickly dump out record IDs.  The full source for this handler can be found in VuFind's Subversion repository [[https://vufind.svn.sourceforge.net/svnroot/vufind/addons/sitemap_handler/trunk/|here]].  However, subsequent revisions of the code (including all officially released versions) have eliminated the need for this custom module, instead making use of the standard Solr [[http://wiki.apache.org/solr/TermsComponent|TermsComponent]].
+Early versions of VuFind made use of the standard Solr [[http://wiki.apache.org/solr/TermsComponent|TermsComponent]] for extracting identifiers. This is still available as a configurable option, since it is very fast, but it does not account for certain configuration options such as hidden filters and may not properly represent your site. Starting with VuFind 5.1, the default behavior was changed from TermsComponent to a slower but more universally compatible search-based approach. The configuration can be changed via the retrievalMode setting in [[configuration:files:sitemap.ini]].
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