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The "UpdateXmlMessages" page has been changed by LukasGraf: http://wiki.apache.org/solr/UpdateXmlMessages?action=diff&rev1=41&rev2=42 Comment: Added hint about updateLog directive (required for atomic updates) </add> }}} + <!> Important: In order to use atomic updating, you need to have an `updateLog` configured in your `solrconfig.xml`: + {{{ + <updateHandler class="solr.DirectUpdateHandler2"> + <!-- ... --> + <updateLog> + <str name="dir">${solr.data.dir:}</str> + </updateLog> + </updateHandler> + }}} + + === "commit" and "optimize" === A commit operation makes index changes visible to new search requests.
