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    <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-58242] Increase the batch size for `_xferMods`</title>
                <link>https://jira.mongodb.org/browse/SERVER-58242</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, the size of the batch returned by &lt;a href=&quot;https://github.com/mongodb/mongo/blob/f4276192c880293f536206b19f37c2612208b476/src/mongo/db/s/migration_chunk_cloner_source_legacy_commands.cpp#L228&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;_xferMods&lt;/tt&gt;&lt;/a&gt; is limited to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/f4276192c880293f536206b19f37c2612208b476/src/mongo/db/s/migration_chunk_cloner_source_legacy.cpp#L982&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;1MB&lt;/a&gt;. Given that we can return BSON objects of up to 16MB it makes sense that we increase that size in order to get fuller batches. As part of this work we should make sure that we don&apos;t make deletes starve updates.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1807660">SERVER-58242</key>
            <summary>Increase the batch size for `_xferMods`</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="13201">Fixed</resolution>
                                        <assignee username="allison.easton@mongodb.com">Allison Easton</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Fri, 2 Jul 2021 15:10:39 +0000</created>
                <updated>Sun, 29 Oct 2023 21:51:23 +0000</updated>
                            <resolved>Thu, 22 Jul 2021 08:00:58 +0000</resolved>
                                                    <fixVersion>5.1.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="4107439" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:26:31 +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="3956861" author="xgen-internal-githook" created="Thu, 22 Jul 2021 07:53:44 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Allison Easton&apos;, &apos;email&apos;: &apos;allison.easton@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58242&quot; title=&quot;Increase the batch size for `_xferMods`&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58242&quot;&gt;&lt;del&gt;SERVER-58242&lt;/del&gt;&lt;/a&gt; Increase the batch size for &apos;_xferMods&apos;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/57c5085d7524540fed7aa83d5e3f149d27c355fd&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/57c5085d7524540fed7aa83d5e3f149d27c355fd&lt;/a&gt;&lt;/p&gt;</comment>
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