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    <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-71666] Reduce number of scanned index entries on chunk migration commit</title>
                <link>https://jira.mongodb.org/browse/SERVER-71666</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-64148&quot; title=&quot;Atomic `split+move` when moveRange invoked with only one bound&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64148&quot;&gt;&lt;del&gt;SERVER-64148&lt;/del&gt;&lt;/a&gt; we changed the ShardingCatalogClient::commitChunkMigration implementation to make it compatible with the new moveRange command. This command can move a sub range of an existing chunk.&lt;/p&gt;

&lt;p&gt;In particular &lt;a href=&quot;https://github.com/mongodb/mongo/commit/1632c284ffe1a6d20db88d0ab8324d771347ed58#diff-d586ff1fcf59382c9bbd8865d4797037c804ae121328c2c5822d7b127a167e83R165-R177&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;we changed the query to find the chunk being moved&lt;/a&gt;. Since the new query is not sorted and use a limit of 2 it will need to scan all the index entries with &lt;tt&gt;min&lt;/tt&gt; value less than the minimum shard key of the range to migrate.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2197108">SERVER-71666</key>
            <summary>Reduce number of scanned index entries on chunk migration commit</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</assignee>
                                    <reporter username="tommaso.tocci@mongodb.com">Tommaso Tocci</reporter>
                        <labels>
                    </labels>
                <created>Tue, 29 Nov 2022 11:07:58 +0000</created>
                <updated>Sun, 29 Oct 2023 21:29:59 +0000</updated>
                            <resolved>Wed, 30 Nov 2022 16:45:30 +0000</resolved>
                                    <version>6.0.0</version>
                    <version>6.1.0</version>
                    <version>6.0.2</version>
                    <version>6.0.3</version>
                    <version>6.2.0-rc1</version>
                                    <fixVersion>6.0.4</fixVersion>
                    <fixVersion>6.2.0-rc2</fixVersion>
                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5020438" author="xgen-internal-githook" created="Wed, 30 Nov 2022 22:19:15 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Pierlauro Sciarelli&apos;, &apos;email&apos;: &apos;pierlauro.sciarelli@mongodb.com&apos;, &apos;username&apos;: &apos;pierlauro&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71666&quot; title=&quot;Reduce number of scanned index entries on chunk migration commit&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71666&quot;&gt;&lt;del&gt;SERVER-71666&lt;/del&gt;&lt;/a&gt; Reduce number of scanned index entries on chunk migration commit&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 591bce59840c8f6e1926b2d5a324eeefbf750336)&lt;br/&gt;
Branch: v6.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/91e38b0d70a70ad770393c8565d75c5f561de7a7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/91e38b0d70a70ad770393c8565d75c5f561de7a7&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5020426" author="xgen-internal-githook" created="Wed, 30 Nov 2022 22:15:36 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Pierlauro Sciarelli&apos;, &apos;email&apos;: &apos;pierlauro.sciarelli@mongodb.com&apos;, &apos;username&apos;: &apos;pierlauro&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71666&quot; title=&quot;Reduce number of scanned index entries on chunk migration commit&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71666&quot;&gt;&lt;del&gt;SERVER-71666&lt;/del&gt;&lt;/a&gt; Reduce number of scanned index entries on chunk migration commit&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 591bce59840c8f6e1926b2d5a324eeefbf750336)&lt;br/&gt;
Branch: v6.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/63d6350c8a31bc8a317f936ae39f617919d63c2f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/63d6350c8a31bc8a317f936ae39f617919d63c2f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5018825" author="xgen-internal-githook" created="Wed, 30 Nov 2022 14:59:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Pierlauro Sciarelli&apos;, &apos;email&apos;: &apos;pierlauro.sciarelli@mongodb.com&apos;, &apos;username&apos;: &apos;pierlauro&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71666&quot; title=&quot;Reduce number of scanned index entries on chunk migration commit&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71666&quot;&gt;&lt;del&gt;SERVER-71666&lt;/del&gt;&lt;/a&gt; Reduce number of scanned index entries on chunk migration commit&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/591bce59840c8f6e1926b2d5a324eeefbf750336&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/591bce59840c8f6e1926b2d5a324eeefbf750336&lt;/a&gt;&lt;/p&gt;</comment>
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