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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-43113] Check if a cached cursor exists before constructing configuration string in WiredTigerCursor</title>
                <link>https://jira.mongodb.org/browse/SERVER-43113</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When creating WiredTigerCursors, we &lt;a href=&quot;https://github.com/mongodb/mongo/blob/55a99292c6d5304942a2e6487c05757ea56457b4/src/mongo/db/storage/wiredtiger/wiredtiger_cursor.cpp#L50-L59&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;construct the entire configuration string&lt;/a&gt; and pass that to WiredTigerSessionCache::getCachedCursor. The majority of normal cursors utilize the session cache, and the implementation of &lt;a href=&quot;https://github.com/mongodb/mongo/blob/55a99292c6d5304942a2e6487c05757ea56457b4/src/mongo/db/storage/wiredtiger/wiredtiger_session_cache.cpp#L109&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;getCachedCursor doesn&apos;t use the configuration string if a cached cursor is found&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Since cursor creation is in a hot path, we should first check the cache if a cursor is found, and only construct the configuration string for a new cursor when one isn&apos;t already open.&lt;/p&gt;</description>
                <environment></environment>
        <key id="913843">SERVER-43113</key>
            <summary>Check if a cached cursor exists before constructing configuration string in WiredTigerCursor</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="13201">Fixed</resolution>
                                        <assignee username="yuhong.zhang@mongodb.com">Yuhong Zhang</assignee>
                                    <reporter username="louis.williams@mongodb.com">Louis Williams</reporter>
                        <labels>
                            <label>neweng</label>
                    </labels>
                <created>Fri, 30 Aug 2019 19:41:52 +0000</created>
                <updated>Sun, 29 Oct 2023 22:17:33 +0000</updated>
                            <resolved>Thu, 25 Jun 2020 18:58:20 +0000</resolved>
                                                    <fixVersion>4.7.0</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3224466" author="xgen-internal-githook" created="Thu, 25 Jun 2020 18:38:16 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Yuhong Zhang&apos;, &apos;email&apos;: &apos;danielzhangyh@gmail.com&apos;, &apos;username&apos;: &apos;YuhongZhang98&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43113&quot; title=&quot;Check if a cached cursor exists before constructing configuration string in WiredTigerCursor&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43113&quot;&gt;&lt;del&gt;SERVER-43113&lt;/del&gt;&lt;/a&gt; Check if a cached cursor exists before constructing configuration string in WiredTigerCursor&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b2869d11c9e3075f7224bbbdbd1218fe3715f07a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b2869d11c9e3075f7224bbbdbd1218fe3715f07a&lt;/a&gt;&lt;/p&gt;</comment>
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