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    <description>This file is an XML representation of an issue</description>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-70100] Ensure that shardCollection emits an oplog event on commit time at least once in case of step-down</title>
                <link>https://jira.mongodb.org/browse/SERVER-70100</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61887&quot; title=&quot;Add a no-op oplog entry for shardCollection command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61887&quot;&gt;&lt;del&gt;SERVER-61887&lt;/del&gt;&lt;/a&gt; introduced the &lt;a href=&quot;https://github.com/10gen/mongo/blob/19515cea589979e7243ccf101a375a3c63881a27/src/mongo/db/s/create_collection_coordinator.cpp#L1138&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;insertion of an oplog entry&lt;/a&gt; into the &lt;tt&gt;CreateCollectionCoordinator&lt;/tt&gt; when the DDL operation gets committed into the config server: nevertheless, if the &lt;tt&gt;_commit()&lt;/tt&gt; function gets interrupted by a stepdown event just before or during the execution of &lt;tt&gt;notifyChangeStreamsOnShardCollection()&lt;/tt&gt;, it is possible to complete &lt;tt&gt;shardCollection()&lt;/tt&gt; without ever emitting such oplog entry.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2147983">SERVER-70100</key>
            <summary>Ensure that shardCollection emits an oplog event on commit time at least once in case of step-down</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="paolo.polato@mongodb.com">Paolo Polato</assignee>
                                    <reporter username="paolo.polato@mongodb.com">Paolo Polato</reporter>
                        <labels>
                    </labels>
                <created>Thu, 29 Sep 2022 13:43:24 +0000</created>
                <updated>Sun, 29 Oct 2023 21:32:37 +0000</updated>
                            <resolved>Wed, 28 Dec 2022 08:31:08 +0000</resolved>
                                    <version>6.0.0</version>
                                    <fixVersion>6.0.4</fixVersion>
                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5072194" author="xgen-internal-githook" created="Thu, 22 Dec 2022 08:34:07 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Paolo Polato&apos;, &apos;email&apos;: &apos;paolo.polato@mongodb.com&apos;, &apos;username&apos;: &apos;ppolato&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-70100&quot; title=&quot;Ensure that shardCollection emits an oplog event on commit time at least once in case of step-down&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-70100&quot;&gt;&lt;del&gt;SERVER-70100&lt;/del&gt;&lt;/a&gt; Ensure at-least-once emission of oplog entry on shardCollection() completion&lt;br/&gt;
Branch: v6.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f132d69031b6554d22aef026c941eab4ddff24ca&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f132d69031b6554d22aef026c941eab4ddff24ca&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5068820" author="xgen-internal-githook" created="Tue, 20 Dec 2022 21:54:15 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Paolo Polato&apos;, &apos;email&apos;: &apos;paolo.polato@mongodb.com&apos;, &apos;username&apos;: &apos;ppolato&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-70100&quot; title=&quot;Ensure that shardCollection emits an oplog event on commit time at least once in case of step-down&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-70100&quot;&gt;&lt;del&gt;SERVER-70100&lt;/del&gt;&lt;/a&gt; Ensure at-least-once emission of oplog entry on shardCollection() completion&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 3972acca68f5fbb20e9395a8702a25386977820d.&lt;br/&gt;
Branch: v6.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7fb90620aa832db2c1835d800333959077e431df&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7fb90620aa832db2c1835d800333959077e431df&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5066731" author="xgen-internal-githook" created="Tue, 20 Dec 2022 10:38:49 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Paolo Polato&apos;, &apos;email&apos;: &apos;paolo.polato@mongodb.com&apos;, &apos;username&apos;: &apos;ppolato&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-70100&quot; title=&quot;Ensure that shardCollection emits an oplog event on commit time at least once in case of step-down&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-70100&quot;&gt;&lt;del&gt;SERVER-70100&lt;/del&gt;&lt;/a&gt; Ensure at-least-once emission of oplog entry on shardCollection() completion&lt;br/&gt;
Branch: v6.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3972acca68f5fbb20e9395a8702a25386977820d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3972acca68f5fbb20e9395a8702a25386977820d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5037304" author="xgen-internal-githook" created="Wed, 7 Dec 2022 15:18:46 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Paolo Polato&apos;, &apos;email&apos;: &apos;paolo.polato@mongodb.com&apos;, &apos;username&apos;: &apos;ppolato&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-70100&quot; title=&quot;Ensure that shardCollection emits an oplog event on commit time at least once in case of step-down&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-70100&quot;&gt;&lt;del&gt;SERVER-70100&lt;/del&gt;&lt;/a&gt; Ensure at-least-once emission of oplog entry on shardCollection() completion&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2ebf2d3e3cbe025baf2bdea1c70aa494df97b4e0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2ebf2d3e3cbe025baf2bdea1c70aa494df97b4e0&lt;/a&gt;&lt;/p&gt;</comment>
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