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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[DOCS-8950] Sharding migration transfers all document deletions</title>
                <link>https://jira.mongodb.org/browse/DOCS-8950</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;During chunk migration, the donor shard will record all document deletions and transfer them to the recipient, regardless of whether the deletions are relevant to the chunk being migrated or not.&lt;/p&gt;

&lt;p&gt;This causes significant load on both shards.&lt;/p&gt;

&lt;p&gt;The reason for this is that the document being deleted is &lt;a href=&quot;https://github.com/mongodb/mongo/blob/v3.0/src/mongo/s/d_migrate.cpp#L386&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;no longer available&lt;/a&gt; on the donor shard.&lt;/p&gt;

&lt;p&gt;One solution would be that in the logOp call we should pass the shard key of the document being deleted so it can be filtered out.&lt;/p&gt;</description>
                <environment></environment>
        <key id="319589">DOCS-8950</key>
            <summary>Sharding migration transfers all document deletions</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="emily.hall">Emily Hall</reporter>
                        <labels>
                    </labels>
                <created>Wed, 28 Sep 2016 18:32:19 +0000</created>
                <updated>Mon, 30 Oct 2023 21:26:03 +0000</updated>
                            <resolved>Thu, 20 Jul 2017 00:07:48 +0000</resolved>
                                                    <fixVersion>Server_Docs_20231030</fixVersion>
                                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1627017" author="kay.kim@10gen.com" created="Thu, 20 Jul 2017 00:07:48 +0000"  >&lt;p&gt;The server was updated to be not-needed.&lt;/p&gt;</comment>
                            <comment id="1396558" author="dianna.hohensee" created="Thu, 29 Sep 2016 14:03:04 +0000"  >&lt;p&gt;This is internal and nothing a user should know about. &lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=ramon.fernandez&quot; class=&quot;user-hover&quot; rel=&quot;ramon.fernandez&quot;&gt;ramon.fernandez&lt;/a&gt;, you set documentation needed on the original SERVER ticket. Do you agree?&lt;/p&gt;</comment>
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