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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-51215] Pass in original namespace to createTemporaryReshardingCollectionLocally() in order to avoid unnecessary catalog cache retrieval</title>
                <link>https://jira.mongodb.org/browse/SERVER-51215</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;What must be done:&lt;/p&gt;

&lt;ol&gt;
	&lt;li&gt;Grab the original namespace from the recipientDocument &lt;a href=&quot;https://github.com/mongodb/mongo/blob/38e26ada6d76577f261305d32534398dedfd283e/src/mongo/db/s/resharding/resharding_recipient_service.cpp#L210&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;at this codepoint&lt;/a&gt;.&lt;/li&gt;
	&lt;li&gt;Modify createTemporaryReshardingCollectionLocally() to take in a const NamespaceString&amp;amp;&lt;/li&gt;
	&lt;li&gt;Use that namespace to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/38e26ada6d76577f261305d32534398dedfd283e/src/mongo/db/s/resharding/resharding_recipient_service.cpp#L56-L64&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;replace this block of code&lt;/a&gt;.&lt;/li&gt;
&lt;/ol&gt;
</description>
                <environment></environment>
        <key id="1494921">SERVER-51215</key>
            <summary>Pass in original namespace to createTemporaryReshardingCollectionLocally() in order to avoid unnecessary catalog cache retrieval</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="3">Duplicate</resolution>
                                        <assignee username="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="blake.oler@mongodb.com">Blake Oler</reporter>
                        <labels>
                            <label>PM-234-M2</label>
                            <label>PM-234-T-lifecycle</label>
                            <label>neweng</label>
                    </labels>
                <created>Tue, 29 Sep 2020 14:58:36 +0000</created>
                <updated>Tue, 6 Dec 2022 02:07:43 +0000</updated>
                            <resolved>Fri, 16 Oct 2020 15:57:05 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3437493" author="blake.oler" created="Fri, 9 Oct 2020 18:50:09 +0000"  >&lt;p&gt;I forgot at the time of ticket creation that we already have the originalNss in the common resharding metadata available to donors and recipients. This ticket will be to instead pass in the namespace from the recipient document into creating the temporary collection locally, so we don&apos;t have to access the catalog cache in order to retrieve it.&lt;/p&gt;</comment>
                            <comment id="3419201" author="blake.oler" created="Wed, 30 Sep 2020 18:34:11 +0000"  >&lt;p&gt;In lines 56 through 64 of &lt;a href=&quot;https://mongodbcr.appspot.com/694100001/diff/694130033/src/mongo/db/s/resharding/resharding_recipient_service.cpp&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this code review diff&lt;/a&gt;, we retrieve the catalog cache then the resharding fields in order to access the original namespace. The example proposal, and the more general solution, would be that when first seeing reshardingFields during a refresh, we commit to the RecipientDocument any variables necessary, such as the original namespace. This would prevent our having to access the catalog cache every time we want to look up information.&lt;/p&gt;</comment>
                            <comment id="3419128" author="max.hirschhorn@10gen.com" created="Wed, 30 Sep 2020 17:59:22 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=blake.oler&quot; class=&quot;user-hover&quot; rel=&quot;blake.oler&quot;&gt;blake.oler&lt;/a&gt;, is there some place in the C++ code you could link to and describe what this ticket would make it do differently? I&apos;m not sure I understand what the title or description is really proposing.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10010">
                    <name>Duplicate</name>
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                                        <issuelink>
            <issuekey id="1494941">SERVER-51217</issuekey>
        </issuelink>
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                            <issuelinktype id="10012">
                    <name>Related</name>
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            <issuekey id="1424899">SERVER-50023</issuekey>
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