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    <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-56556] create collection coordinator waits on wrong opTime to be mojority committed</title>
                <link>https://jira.mongodb.org/browse/SERVER-56556</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Create collection coordinator explicitly &lt;a href=&quot;https://github.com/mongodb/mongo/blob/da663d32d6f62d0ca48e1944fda8b3abe362b0cd/src/mongo/db/s/create_collection_coordinator.cpp#L616-L618&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;wait for majority write concern&lt;/a&gt; after &lt;a href=&quot;https://github.com/mongodb/mongo/blob/da663d32d6f62d0ca48e1944fda8b3abe362b0cd/src/mongo/db/s/create_collection_coordinator.cpp#L605-L611&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;creating the shard key index&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;The problem is that if the index was already created &lt;a href=&quot;https://github.com/mongodb/mongo/blob/da663d32d6f62d0ca48e1944fda8b3abe362b0cd/src/mongo/db/s/shard_key_util.cpp#L188-L191&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;no write will be performed&lt;/a&gt; , in this case the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/da663d32d6f62d0ca48e1944fda8b3abe362b0cd/src/mongo/db/s/create_collection_coordinator.cpp#L616&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;last op time on the current client &lt;/a&gt; could be a very old op time, associated with the last write performed by a previous task scheduled on that thead.&lt;br/&gt;
 In fact the client associated with a thread of the POS pool is &lt;a href=&quot;https://github.com/mongodb/mongo/blob/da663d32d6f62d0ca48e1944fda8b3abe362b0cd/src/mongo/db/repl/primary_only_service.cpp#L297-L305&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;instantiated on thread creation&lt;/a&gt; and is reused by different tasks.&lt;/p&gt;

&lt;p&gt;So the solution would be to properly set the last op time before to wait it to be majority written.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1698495">SERVER-56556</key>
            <summary>create collection coordinator waits on wrong opTime to be mojority committed</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="tommaso.tocci@mongodb.com">Tommaso Tocci</assignee>
                                    <reporter username="tommaso.tocci@mongodb.com">Tommaso Tocci</reporter>
                        <labels>
                            <label>PM-1965-Milestone-1</label>
                    </labels>
                <created>Sat, 1 May 2021 09:16:23 +0000</created>
                <updated>Sun, 29 Oct 2023 21:54:11 +0000</updated>
                            <resolved>Sat, 1 May 2021 12:28:48 +0000</resolved>
                                    <version>Backlog</version>
                                    <fixVersion>5.0.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="3750716" author="xgen-internal-githook" created="Sat, 1 May 2021 12:06:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Tommaso Tocci&apos;, &apos;email&apos;: &apos;tommaso.tocci@mongodb.com&apos;, &apos;username&apos;: &apos;toto-dev&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-56556&quot; title=&quot;create collection coordinator waits on wrong opTime to be mojority committed&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-56556&quot;&gt;&lt;del&gt;SERVER-56556&lt;/del&gt;&lt;/a&gt; create collection coordinator waits on wrong opTime to be mojority committe&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e345b88ddca4ec85dc59768647be2e531e490e04&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e345b88ddca4ec85dc59768647be2e531e490e04&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1638001">SERVER-54905</issuekey>
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            <issuekey id="1698490">SERVER-56555</issuekey>
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