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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-20789] moveChunk needs to send config optime when sending _recvChunkStart to destination shard</title>
                <link>https://jira.mongodb.org/browse/SERVER-20789</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If the migration is the first sharding-aware operation that the recipient shard is participating in, then the _recvChunkStart command it receives will make it sharding-aware and load the chunk data for the chunk being migrated for the first time.  If the collection was only recently created and sharded, there&apos;s a risk that it could load out of date data for the collection, causing it to see no chunks for this collection, which causes the migration to fail with an obscure &quot;data transfer error&quot;.  If the source shard included the config server optime when it sent _recvChunkStart, then there&apos;d be no risk of the recipient shard reading stale data.&lt;/p&gt;</description>
                <environment></environment>
        <key id="233222">SERVER-20789</key>
            <summary>moveChunk needs to send config optime when sending _recvChunkStart to destination shard</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="spencer@mongodb.com">Spencer Brody</assignee>
                                    <reporter username="spencer@mongodb.com">Spencer Brody</reporter>
                        <labels>
                    </labels>
                <created>Tue, 6 Oct 2015 23:29:04 +0000</created>
                <updated>Wed, 25 Jan 2017 21:59:55 +0000</updated>
                            <resolved>Wed, 7 Oct 2015 16:48:04 +0000</resolved>
                                                    <fixVersion>3.2.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="1054059" author="xgen-internal-githook" created="Wed, 7 Oct 2015 16:47:33 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;stbrody&apos;, u&apos;name&apos;: u&apos;Spencer T Brody&apos;, u&apos;email&apos;: u&apos;spencer@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20789&quot; title=&quot;moveChunk needs to send config optime when sending _recvChunkStart to destination shard&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20789&quot;&gt;&lt;del&gt;SERVER-20789&lt;/del&gt;&lt;/a&gt; Use ShardConnection to send _recvChunkStart so that config server metadata is included&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8d8c30d1a60fa75b09c672ef98e4665d49e412ff&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8d8c30d1a60fa75b09c672ef98e4665d49e412ff&lt;/a&gt;&lt;/p&gt;</comment>
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