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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-22233] Reduce the secondary throttling during chunk migration</title>
                <link>https://jira.mongodb.org/browse/SERVER-22233</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This ticket combines the work to evaluate the performance impact of reducing (or even dropping) the secondary throttle during chunk migration and the actual code changes to make no throttle default. &lt;/p&gt;

&lt;p&gt;This affects both the inserts and deletes &amp;#8211; it might be different issues wrt/write concern.&lt;/p&gt;

&lt;p&gt;The easiest change we can make is to substitute the w:2 writes after each document with a single majority write at the end of each stage.&lt;/p&gt;

&lt;p&gt;These changes may or may not be feasible for MMAP V1, but given that as of version 3.0 the collection locks are fair, it might be possible to reduce the throttling for MMAP V1 as well.&lt;/p&gt;</description>
                <environment></environment>
        <key id="259454">SERVER-22233</key>
            <summary>Reduce the secondary throttling during chunk migration</summary>
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                                            <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>
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                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="judah.schvimer@mongodb.com">Judah Schvimer</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Tue, 19 Jan 2016 21:22:48 +0000</created>
                <updated>Thu, 19 Apr 2018 17:49:09 +0000</updated>
                            <resolved>Thu, 21 Apr 2016 19:24:31 +0000</resolved>
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                                        <votes>0</votes>
                                    <watches>11</watches>
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