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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-32526] Use KeyString for the ChunkManager&apos;s ChunkMap key instead of BSONObj</title>
                <link>https://jira.mongodb.org/browse/SERVER-32526</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Using KeyString allows the look-ups and modifications to use memory comparisons instead of &lt;tt&gt;BSONObj::woCompare&lt;/tt&gt;, which offers significant performance gain for both refresh and routing/filtering.&lt;/p&gt;</description>
                <environment></environment>
        <key id="478233">SERVER-32526</key>
            <summary>Use KeyString for the ChunkManager&apos;s ChunkMap key instead of BSONObj</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="kaloian.manassiev@mongodb.com">Kaloian Manassiev</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Wed, 3 Jan 2018 15:23:58 +0000</created>
                <updated>Mon, 30 Oct 2023 23:09:36 +0000</updated>
                            <resolved>Sat, 13 Jan 2018 14:05:03 +0000</resolved>
                                                    <fixVersion>3.7.1</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="1773652" author="xgen-internal-githook" created="Sat, 13 Jan 2018 14:03:32 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;schwerin@mongodb.com&apos;, &apos;name&apos;: &apos;Andy Schwerin&apos;, &apos;username&apos;: &apos;amschwerin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32526&quot; title=&quot;Use KeyString for the ChunkManager&amp;#39;s ChunkMap key instead of BSONObj&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32526&quot;&gt;&lt;del&gt;SERVER-32526&lt;/del&gt;&lt;/a&gt; Use KeyString for ChunkMap key instead of BSONObj&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9b3ff62c2776039725342f0f22a843e6b375f1be&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9b3ff62c2776039725342f0f22a843e6b375f1be&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1773651" author="xgen-internal-githook" created="Sat, 13 Jan 2018 14:03:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;kaloian.manassiev@mongodb.com&apos;, &apos;name&apos;: &apos;Kaloian Manassiev&apos;, &apos;username&apos;: &apos;kaloianm&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32526&quot; title=&quot;Use KeyString for the ChunkManager&amp;#39;s ChunkMap key instead of BSONObj&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32526&quot;&gt;&lt;del&gt;SERVER-32526&lt;/del&gt;&lt;/a&gt; Increase the ChunkManager unit-test coverage&lt;/p&gt;

&lt;p&gt;Also tightens up some of the checks in the JS tests and cleans up the&lt;br/&gt;
ChunkManager/CollectionMetadata code in preparation for making it use&lt;br/&gt;
KeyString.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f164097cb678f763289ee870e854f89749dbbba8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f164097cb678f763289ee870e854f89749dbbba8&lt;/a&gt;&lt;/p&gt;</comment>
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                                                                <inwardlinks description="is duplicated by">
                                        <issuelink>
            <issuekey id="326835">SERVER-26778</issuekey>
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            <issuekey id="626548">SERVER-37810</issuekey>
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