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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-18961] Avoid iterating the entire working set on every yield</title>
                <link>https://jira.mongodb.org/browse/SERVER-18961</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This should speed up queries which have execution stages that buffer WorkingSetMembers. This includes SORT, TEXT, and GEO_NEAR.&lt;/p&gt;

&lt;p&gt;The work for the 3.0 branch is being tracked by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-18926&quot; title=&quot;Full text search extremely slow and uses a lot of memory under WiredTiger&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-18926&quot;&gt;&lt;del&gt;SERVER-18926&lt;/del&gt;&lt;/a&gt;, whereas this ticket tracks work for the the master branch (3.1 development).&lt;/p&gt;</description>
                <environment></environment>
        <key id="210402">SERVER-18961</key>
            <summary>Avoid iterating the entire working set on every yield</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="2" iconUrl="https://jira.mongodb.org/images/icons/priorities/critical.svg">Critical - P2</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="9">Done</resolution>
                                        <assignee username="david.storch@mongodb.com">David Storch</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                    </labels>
                <created>Fri, 12 Jun 2015 22:22:00 +0000</created>
                <updated>Sat, 8 Oct 2016 13:34:20 +0000</updated>
                            <resolved>Wed, 1 Jul 2015 18:56:15 +0000</resolved>
                                                    <fixVersion>3.1.6</fixVersion>
                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>9</watches>
                                                                                                                <comments>
                            <comment id="955930" author="xgen-internal-githook" created="Wed, 1 Jul 2015 18:54:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;dstorch&apos;, u&apos;name&apos;: u&apos;David Storch&apos;, u&apos;email&apos;: u&apos;david.storch@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-18961&quot; title=&quot;Avoid iterating the entire working set on every yield&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-18961&quot;&gt;&lt;del&gt;SERVER-18961&lt;/del&gt;&lt;/a&gt; avoid iterating the entire working set when preparing for a WiredTiger snapshot change&lt;/p&gt;

&lt;p&gt;Improves performance for query plans with a blocking stage when using the WiredTiger storage engine.&lt;br/&gt;
In particular, full text search and geoNear queries should benefit.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/820289c3c4244666e1829732150d842af775e56d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/820289c3c4244666e1829732150d842af775e56d&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="322216">SERVER-26534</issuekey>
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            <issuelink>
            <issuekey id="210040">SERVER-18926</issuekey>
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            <issuelink>
            <issuekey id="217565">SERVER-19489</issuekey>
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