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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-57668] Cache chunk bounds as an array in resharding collection cloning pipeline</title>
                <link>https://jira.mongodb.org/browse/SERVER-57668</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;DocumentSourceSequentialDocumentCache::doOptimizeAt() caches on a per&amp;#45;stage basis of the $lookup pipeline. Restructuring the aggregation pipeline so &lt;a href=&quot;https://github.com/mongodb/mongo/blob/792dcddddf6bfedc45208dbc1c513d2dea27546f/src/mongo/db/s/resharding/resharding_collection_cloner.cpp#L177-L178&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;the $objectToArray values&lt;/a&gt; are done as a separate stage from the $match that references the &lt;tt&gt;$$sk&lt;/tt&gt; variable would mean their results can be cached too.&lt;/p&gt;

&lt;p&gt;The changes made in this ticket will be obsoleted by &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57667&quot; title=&quot;Improve processing speed for resharding&amp;#39;s collection cloning pipeline&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57667&quot;&gt;&lt;del&gt;SERVER-57667&lt;/del&gt;&lt;/a&gt; but will reduce the per&amp;#45;document processing overhead by a constant factor.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1778272">SERVER-57668</key>
            <summary>Cache chunk bounds as an array in resharding collection cloning pipeline</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="max.hirschhorn@mongodb.com">Max Hirschhorn</assignee>
                                    <reporter username="max.hirschhorn@mongodb.com">Max Hirschhorn</reporter>
                        <labels>
                            <label>PM-234-M3</label>
                            <label>PM-234-T-data-clone</label>
                            <label>post-rc0</label>
                    </labels>
                <created>Sat, 12 Jun 2021 18:38:52 +0000</created>
                <updated>Sun, 29 Oct 2023 21:52:14 +0000</updated>
                            <resolved>Wed, 16 Jun 2021 03:21:37 +0000</resolved>
                                                    <fixVersion>5.0.0-rc2</fixVersion>
                    <fixVersion>5.1.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="4106867" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:11:15 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="3880426" author="xgen-internal-githook" created="Wed, 16 Jun 2021 08:30:27 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Max Hirschhorn&apos;, &apos;email&apos;: &apos;max.hirschhorn@mongodb.com&apos;, &apos;username&apos;: &apos;visemet&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57668&quot; title=&quot;Cache chunk bounds as an array in resharding collection cloning pipeline&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57668&quot;&gt;&lt;del&gt;SERVER-57668&lt;/del&gt;&lt;/a&gt; Cache post-transformed chunk bounds for resharding cloning.&lt;br/&gt;
Branch: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-34632&quot; title=&quot;config.chunks change to config.cache.chunks creates a collection long name after upgrade&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-34632&quot;&gt;SERVER-34632&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6659e192ee5feceda14bebe1cb22f219d5d765fd&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6659e192ee5feceda14bebe1cb22f219d5d765fd&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3880121" author="xgen-internal-githook" created="Wed, 16 Jun 2021 03:18:37 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Max Hirschhorn&apos;, &apos;email&apos;: &apos;max.hirschhorn@mongodb.com&apos;, &apos;username&apos;: &apos;visemet&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57668&quot; title=&quot;Cache chunk bounds as an array in resharding collection cloning pipeline&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57668&quot;&gt;&lt;del&gt;SERVER-57668&lt;/del&gt;&lt;/a&gt; Cache post-transformed chunk bounds for resharding cloning.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 6659e192ee5feceda14bebe1cb22f219d5d765fd)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ee1cea12a8108f35f24069bde1f8a8be350c16fb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ee1cea12a8108f35f24069bde1f8a8be350c16fb&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3879906" author="xgen-internal-githook" created="Tue, 15 Jun 2021 22:55:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Max Hirschhorn&apos;, &apos;email&apos;: &apos;max.hirschhorn@mongodb.com&apos;, &apos;username&apos;: &apos;visemet&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-57668&quot; title=&quot;Cache chunk bounds as an array in resharding collection cloning pipeline&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-57668&quot;&gt;&lt;del&gt;SERVER-57668&lt;/del&gt;&lt;/a&gt; Cache post-transformed chunk bounds for resharding cloning.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6659e192ee5feceda14bebe1cb22f219d5d765fd&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6659e192ee5feceda14bebe1cb22f219d5d765fd&lt;/a&gt;&lt;/p&gt;</comment>
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                                        <issuelink>
            <issuekey id="1782428">SERVER-57705</issuekey>
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            <issuelink>
            <issuekey id="1770121">SERVER-57483</issuekey>
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            <issuekey id="1774361">SERVER-57579</issuekey>
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