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    <title>MongoDB Jira</title>
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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-22954] MigrationDestinationManager should not directly use MMAPv1 durable interface</title>
                <link>https://jira.mongodb.org/browse/SERVER-22954</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The MigrationDestinationManager calls &lt;a href=&quot;https://github.com/mongodb/mongo/blob/bc196517c4162993edbe6ca3669b9cd70865deec/src/mongo/db/s/migration_destination_manager.cpp#L963&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;getDur().commitNow()&lt;/tt&gt;&lt;/a&gt;, which is an MMAPv1-specific feature and requires cleanup.&lt;/p&gt;</description>
                <environment></environment>
        <key id="269828">SERVER-22954</key>
            <summary>MigrationDestinationManager should not directly use MMAPv1 durable interface</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="9">Done</resolution>
                                        <assignee username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</assignee>
                                    <reporter username="kyle.suarez@mongodb.com">Kyle Suarez</reporter>
                        <labels>
                            <label>neweng</label>
                    </labels>
                <created>Thu, 3 Mar 2016 21:40:31 +0000</created>
                <updated>Wed, 12 Apr 2017 18:13:27 +0000</updated>
                            <resolved>Fri, 24 Mar 2017 13:46:20 +0000</resolved>
                                    <version>3.3.2</version>
                                    <fixVersion>3.4.4</fixVersion>
                    <fixVersion>3.5.5</fixVersion>
                                    <component>MMAPv1</component>
                    <component>Sharding</component>
                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1547391" author="xgen-internal-githook" created="Wed, 12 Apr 2017 18:12:44 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kaloianm&apos;, u&apos;name&apos;: u&apos;Kaloian Manassiev&apos;, u&apos;email&apos;: u&apos;kaloian.manassiev@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22954&quot; title=&quot;MigrationDestinationManager should not directly use MMAPv1 durable interface&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22954&quot;&gt;&lt;del&gt;SERVER-22954&lt;/del&gt;&lt;/a&gt; Do not call into the MMAPV1 storage engine on the recipient shard&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 921f12c9aa005488ac93b672d74a63af51b93139)&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d2b45a429985c68fb681f66c309dc279b444a213&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d2b45a429985c68fb681f66c309dc279b444a213&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1532024" author="xgen-internal-githook" created="Fri, 24 Mar 2017 13:45:07 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kaloianm&apos;, u&apos;name&apos;: u&apos;Kaloian Manassiev&apos;, u&apos;email&apos;: u&apos;kaloian.manassiev@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-22954&quot; title=&quot;MigrationDestinationManager should not directly use MMAPv1 durable interface&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-22954&quot;&gt;&lt;del&gt;SERVER-22954&lt;/del&gt;&lt;/a&gt; Do not call into the MMAPV1 storage engine on the recipient shard&lt;/p&gt;

&lt;p&gt;Removes direct calls into MMAPV1 at migration flush time and replaces them&lt;br/&gt;
with waitForWriteConcern which takes care of non-durable storage engines&lt;br/&gt;
as well.&lt;/p&gt;

&lt;p&gt;As a side effect this also removes the last acquisition of the global S&lt;br/&gt;
lock during chunk migrations.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/921f12c9aa005488ac93b672d74a63af51b93139&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/921f12c9aa005488ac93b672d74a63af51b93139&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1196743" author="kaloian.manassiev" created="Tue, 8 Mar 2016 19:19:08 +0000"  >&lt;p&gt;This call should not be there. I am going to remove it as part of the changes for parallel chunk migration.&lt;/p&gt;</comment>
                            <comment id="1195661" author="ian@10gen.com" created="Mon, 7 Mar 2016 21:40:19 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kaloian.manassiev&quot; class=&quot;user-hover&quot; rel=&quot;kaloian.manassiev&quot;&gt;kaloian.manassiev&lt;/a&gt; is this call needed by migrations?&lt;/p&gt;</comment>
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