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=1089253&r1=1089252&r2=1089253&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 Thu 
Mar  6 15:24:57 2025
@@ -1204,7 +1204,7 @@ Due to changes in Lucene 9, that isn&#82
 <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.
+<p>In <code>solr.xml</code>, 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 
&gt; 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.
@@ -1228,6 +1228,9 @@ This is a breaking change, and we apolog
 <code>&lt;lib/&gt;</code> directives should be considered deprecated and will 
be removed entirely in Solr 10.0.
 Current users of <code>&lt;lib/&gt;</code> have a number of options to ensure 
their libraries remain on Solr&#8217;s classpath, including: 
<code>SOLR_MODULES</code>, core "lib" directories, the solr.xml 
<code>&lt;sharedLib&gt;</code> tag, Solr&#8217;s package manager, etc.</p>
 </div>
+<div class="paragraph">
+<p>If you&#8217;re using the new/experimental <code>multiThreaded=true</code> 
parameter introduced in 9.7, you may now need to increase 
<code>indexSearcherExecutorThreads</code> in <code>solr.xml</code> to more 
fully utilize a machine than in 9.7.</p>
+</div>
 </div>
 <div class="sect2">
 <h3 id="partial-results"><a class="anchor" href="#partial-results"></a>Partial 
Results</h3>


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