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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <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-45370] Test scenarios where multiple transactions try to create the same collection</title>
                <link>https://jira.mongodb.org/browse/SERVER-45370</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;These scenarios should include one where one transaction commits and the other aborts, and one where both transactions commit. In the case where both commit, the second to commit should fail, since the collection already exists.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1076564">SERVER-45370</key>
            <summary>Test scenarios where multiple transactions try to create the same collection</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="maria.vankeulen@mongodb.com">Maria van Keulen</assignee>
                                    <reporter username="maria.vankeulen@mongodb.com">Maria van Keulen</reporter>
                        <labels>
                    </labels>
                <created>Mon, 6 Jan 2020 14:57:57 +0000</created>
                <updated>Sun, 29 Oct 2023 22:13:40 +0000</updated>
                            <resolved>Fri, 24 Jan 2020 17:35:29 +0000</resolved>
                                                    <fixVersion>4.3.3</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2762253" author="xgen-internal-githook" created="Fri, 24 Jan 2020 16:41:59 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;mvankeulen94&apos;, &apos;name&apos;: &apos;Maria van Keulen&apos;, &apos;email&apos;: &apos;maria.vankeulen@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45370&quot; title=&quot;Test scenarios where multiple transactions try to create the same collection&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45370&quot;&gt;&lt;del&gt;SERVER-45370&lt;/del&gt;&lt;/a&gt; Fix oplog hole and test parallel createCollection txns&lt;/p&gt;

&lt;p&gt;Testing parallel transactions with createCollections found a hang&lt;br/&gt;
scenario caused by reserving oplog slots before transaction commit.&lt;br/&gt;
This patch adds this testing and fixes this bug.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/cc39f69e7b2d79a3074a546ca33d30a0307bc238&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/cc39f69e7b2d79a3074a546ca33d30a0307bc238&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2755703" author="maria.vankeulen" created="Thu, 23 Jan 2020 19:28:47 +0000"  >&lt;p&gt;This ticket is now un-blocked since &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45650&quot; title=&quot;Do not std::terminate() if _commitStorageTransaction throws for unprepared transactions&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45650&quot;&gt;&lt;del&gt;SERVER-45650&lt;/del&gt;&lt;/a&gt; is in.&lt;/p&gt;</comment>
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            <issuekey id="1792531">SERVER-57928</issuekey>
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