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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-49147] Make _configsvrCommitChunkMigration idempotent</title>
                <link>https://jira.mongodb.org/browse/SERVER-49147</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Right now, if &lt;b&gt;_configsvrCommitChunkMigration&lt;/b&gt; is run twice upon the config server, the second call &lt;a href=&quot;https://github.com/mongodb/mongo/blob/e976a66489bb0b600d9896bdada5e33e6d885534/src/mongo/db/s/config/sharding_catalog_manager_chunk_operations.cpp#L171&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;results in an error&lt;/a&gt; even if the migration actually succeeded.&lt;/p&gt;

&lt;p&gt;Possible fixes:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;On the config server, checking both donor and recipient in &lt;a href=&quot;https://github.com/mongodb/mongo/blob/e976a66489bb0b600d9896bdada5e33e6d885534/src/mongo/db/s/config/sharding_catalog_manager_chunk_operations.cpp#L152&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;checkChunkMatchesRequest&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;On the shard, double check that the chunk is still owned before a call to &lt;b&gt;_configsvrCommitChunkMigration&lt;/b&gt; (it doesn&apos;t make the command idempotent, but it guarantees that it doesn&apos;t get called more than once)&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="1393195">SERVER-49147</key>
            <summary>Make _configsvrCommitChunkMigration idempotent</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="13201">Fixed</resolution>
                                        <assignee username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                            <label>PM-1645-Milestone-1</label>
                            <label>sharding-csrs-stepdown-only</label>
                    </labels>
                <created>Fri, 26 Jun 2020 17:12:23 +0000</created>
                <updated>Sun, 29 Oct 2023 22:06:23 +0000</updated>
                            <resolved>Wed, 29 Jul 2020 22:26:41 +0000</resolved>
                                    <version>4.5.1</version>
                                    <fixVersion>4.7.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="3313262" author="xgen-internal-githook" created="Thu, 30 Jul 2020 04:17:39 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49147&quot; title=&quot;Make _configsvrCommitChunkMigration idempotent&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49147&quot;&gt;&lt;del&gt;SERVER-49147&lt;/del&gt;&lt;/a&gt; fix mac os x compile&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/645a1b57976bbebc3c2a16dfc7a178ca3791d2d9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/645a1b57976bbebc3c2a16dfc7a178ca3791d2d9&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3313035" author="xgen-internal-githook" created="Wed, 29 Jul 2020 22:25:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Pierlauro Sciarelli&apos;, &apos;email&apos;: &apos;pierlauro.sciarelli@mongodb.com&apos;, &apos;username&apos;: &apos;pierlauro&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49147&quot; title=&quot;Make _configsvrCommitChunkMigration idempotent&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49147&quot;&gt;&lt;del&gt;SERVER-49147&lt;/del&gt;&lt;/a&gt; Make _configsvrCommitChunkMigration idempotent&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bb8d69f859c2db05520469f57428198c8f451b90&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bb8d69f859c2db05520469f57428198c8f451b90&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1436951">SERVER-50215</issuekey>
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            <issuelink>
            <issuekey id="1449116">SERVER-50458</issuekey>
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            <issuekey id="1454219">SERVER-50577</issuekey>
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