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    <language>en-us</language>    <build-info>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-24826] Pending chunk can be removed from the recipient shard while applyOps could still succeed</title>
                <link>https://jira.mongodb.org/browse/SERVER-24826</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The scenario under which this bug can occur is:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Donor starts migration of chunk &lt;tt&gt;C&lt;/tt&gt; to Recipient at which point the recipient will have &lt;tt&gt;C&lt;/tt&gt; on the pending list.&lt;/li&gt;
	&lt;li&gt;Donor sends &lt;tt&gt;applyOps&lt;/tt&gt; command to the config server, which blocks for some reason before it reaches the the CSRS primary.&lt;/li&gt;
	&lt;li&gt;With the &lt;tt&gt;applyOps&lt;/tt&gt; command not having run yet, the recipient is restarted, at which point it will forget about the pending chunk. At this point the recipient can potentially run &lt;tt&gt;cleanupOrphans&lt;/tt&gt;, which would wipe out the contents of &lt;tt&gt;C&lt;/tt&gt;.&lt;/li&gt;
	&lt;li&gt;Donor&apos;s &lt;tt&gt;applyOps&lt;/tt&gt; command finally runs and the hand-off of chunk to recipient is successful at which point the contents of that chunk would be lost.&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="297186">SERVER-24826</key>
            <summary>Pending chunk can be removed from the recipient shard while applyOps could still succeed</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="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="dianna.hohensee@mongodb.com">Dianna Hohensee</reporter>
                        <labels>
                    </labels>
                <created>Tue, 28 Jun 2016 14:21:14 +0000</created>
                <updated>Tue, 6 Dec 2022 04:22:43 +0000</updated>
                            <resolved>Fri, 17 Dec 2021 16:07:52 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="4256864" author="kaloian.manassiev" created="Fri, 17 Dec 2021 16:07:52 +0000"  >&lt;p&gt;This is gone away as result of PM-812.&lt;/p&gt;</comment>
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