Modified: sites/solr/guide/solr/latest/configuration-guide/configuring-solr-xml.html URL: http://svn.apache.org/viewvc/sites/solr/guide/solr/latest/configuration-guide/configuring-solr-xml.html?rev=1089012&r1=1089011&r2=1089012&view=diff ============================================================================== --- sites/solr/guide/solr/latest/configuration-guide/configuring-solr-xml.html (original) +++ sites/solr/guide/solr/latest/configuration-guide/configuring-solr-xml.html Sat Feb 15 15:26:43 2025 @@ -1384,12 +1384,13 @@ The default value is equal to the number <tbody> <tr> <td class="tableblock halign-left valign-top"><p class="tableblock">Optional</p></td> -<td class="tableblock halign-left valign-top"><p class="tableblock">Default: number of available processors</p></td> +<td class="tableblock halign-left valign-top"><p class="tableblock">Default: 0</p></td> </tr> </tbody> </table> <div class="paragraph"> -<p>Specifies the number of threads that will be assigned for search queries.</p> +<p>Specifies the number of threads that will be assigned for search queries. +A value of <code>-1</code> represents the total number of available processor threads available.</p> </div> </dd> <dt class="hdlist1"><code>coreRootDirectory</code></dt>
Modified: sites/solr/guide/solr/latest/upgrade-notes/major-changes-in-solr-9.html URL: http://svn.apache.org/viewvc/sites/solr/guide/solr/latest/upgrade-notes/major-changes-in-solr-9.html?rev=1089012&r1=1089011&r2=1089012&view=diff ============================================================================== --- sites/solr/guide/solr/latest/upgrade-notes/major-changes-in-solr-9.html (original) +++ sites/solr/guide/solr/latest/upgrade-notes/major-changes-in-solr-9.html Sat Feb 15 15:26:43 2025 @@ -1199,11 +1199,26 @@ Due to changes in Lucene 9, that isnR </div> </div> <div class="sect1"> -<h2 id="solr-9-8"><a class="anchor" href="#solr-9-8"></a>Solr 9.8</h2> +<h2 id="solr-9-8-1"><a class="anchor" href="#solr-9-8-1"></a>Solr 9.8.1</h2> <div class="sectionbody"> <div class="sect2"> <h3 id="configuration"><a class="anchor" href="#configuration"></a>Configuration</h3> <div class="paragraph"> +<p>In solrconfig.xml, the <code>indexSearcherExecutorThreads</code> now defaults to 0. +Therefore, multi-threaded search execution is disabled at a node-level by default. +It is currently recommended to only use an <code>indexSearcherExecutorThreads > 0</code> if all query requests sent to Solr opt-in to multiThreaded search. +Additionally, <code>indexSearcherExecutorThreads = -1</code> can be given to use the number of available CPU threads available to Solr. +This was the previous default.</p> +</div> +</div> +</div> +</div> +<div class="sect1"> +<h2 id="solr-9-8"><a class="anchor" href="#solr-9-8"></a>Solr 9.8</h2> +<div class="sectionbody"> +<div class="sect2"> +<h3 id="configuration-2"><a class="anchor" href="#configuration-2"></a>Configuration</h3> +<div class="paragraph"> <p>In solrconfig.xml, the <code>numVersionBuckets</code> and <code>versionBucketLockTimeoutMs</code> settings are now obsolete and ignored; a warning will be logged if specified.</p> </div> <div class="paragraph">
