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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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            <title>[SERVER-56790] Remove sleeps from the chunk migration recipient catch-up phases</title>
                <link>https://jira.mongodb.org/browse/SERVER-56790</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The chunk migration recipient side uses a &lt;a href=&quot;https://github.com/mongodb/mongo/blob/3b92cf185c76280a82ea62b367cefb7aca347448/src/mongo/db/s/migration_destination_manager.cpp#L1185&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&quot;check opReplicatedEnough&quot;&lt;/a&gt; / &lt;a href=&quot;https://github.com/mongodb/mongo/blob/3b92cf185c76280a82ea62b367cefb7aca347448/src/mongo/db/s/migration_destination_manager.cpp#L1196&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&quot;sleep&quot;&lt;/a&gt; kind of model to wait for replication during the CATCHUP phase. Same thing exists for the STEADY phase, where we &lt;a href=&quot;https://github.com/mongodb/mongo/blob/3b92cf185c76280a82ea62b367cefb7aca347448/src/mongo/db/s/migration_destination_manager.cpp#L1286&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;check&lt;/a&gt; and then &lt;a href=&quot;https://github.com/mongodb/mongo/blob/3b92cf185c76280a82ea62b367cefb7aca347448/src/mongo/db/s/migration_destination_manager.cpp#L1293&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;sleep&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;These should be switched to proper calls to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/3b92cf185c76280a82ea62b367cefb7aca347448/src/mongo/db/write_concern.h#L106&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;waitForWriteConcern&lt;/tt&gt;&lt;/a&gt; instead.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1708339">SERVER-56790</key>
            <summary>Remove sleeps from the chunk migration recipient catch-up phases</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="backlog-server-sharding-emea">[DO NOT USE] Backlog - Sharding EMEA</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
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                <created>Mon, 10 May 2021 12:13:46 +0000</created>
                <updated>Tue, 6 Dec 2022 01:19:25 +0000</updated>
                            <resolved>Fri, 5 Nov 2021 11:46:17 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="4171265" author="kaloian.manassiev" created="Fri, 5 Nov 2021 11:46:17 +0000"  >&lt;p&gt;From the performance evaluation of migrations of large chunks we have confirmed that the improvements done so far (increasing the batch size and overlapping application of xferMods with fetching them) is sufficient, so we will not be proceeding with this work.&lt;/p&gt;</comment>
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