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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-38865] Create rollback test fixture that is compatible with prepared transactions </title>
                <link>https://jira.mongodb.org/browse/SERVER-38865</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, we use rollback_test.js (3 nodes, PSA) and rollback_test_deluxe.js (5 nodes, PSSAA, for double rollbacks) for testing our rollback algorithm. Unfortunately, neither of these test fixtures will work with prepared transactions because we cannot run prepared transactions on replica sets with arbiters. &lt;/p&gt;

&lt;p&gt;Since we will likely want more test coverage of rollback with prepared transactions, we should make a new test fixture that uses a PSS architecture. We can achieve something similar to the PSA architecture by setting one of the secondaries to priority: 0 and periodically stopping/restarting replication on that node.&lt;/p&gt;</description>
                <environment></environment>
        <key id="666284">SERVER-38865</key>
            <summary>Create rollback test fixture that is compatible with prepared transactions </summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="pavithra.vetriselvan@mongodb.com">Pavithra Vetriselvan</assignee>
                                    <reporter username="pavithra.vetriselvan@mongodb.com">Pavithra Vetriselvan</reporter>
                        <labels>
                            <label>prepare_testing</label>
                    </labels>
                <created>Sun, 6 Jan 2019 23:10:30 +0000</created>
                <updated>Sun, 29 Oct 2023 22:25:21 +0000</updated>
                            <resolved>Thu, 24 Jan 2019 15:53:33 +0000</resolved>
                                                    <fixVersion>4.1.8</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="2125930" author="xgen-internal-githook" created="Thu, 24 Jan 2019 15:52:39 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;pvselvan&apos;, &apos;email&apos;: &apos;pvselvan@umich.edu&apos;, &apos;name&apos;: &apos;Pavi Vetriselvan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-38865&quot; title=&quot;Create rollback test fixture that is compatible with prepared transactions &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-38865&quot;&gt;&lt;del&gt;SERVER-38865&lt;/del&gt;&lt;/a&gt; change rollback_test fixture to use secondary instead of arbiter&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3c5bb991e11d25fb767ee5c6fb249c3bcafa32a3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3c5bb991e11d25fb767ee5c6fb249c3bcafa32a3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2107174" author="judah.schvimer" created="Mon, 7 Jan 2019 15:41:26 +0000"  >&lt;p&gt;I agree with &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=tess.avitabile&quot; class=&quot;user-hover&quot; rel=&quot;tess.avitabile&quot;&gt;tess.avitabile&lt;/a&gt; that it should replace it. In addition to it being unsupported, I think having fewer test fixtures is better.&lt;/p&gt;</comment>
                            <comment id="2107159" author="pavithra.vetriselvan" created="Mon, 7 Jan 2019 15:34:30 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=judah.schvimer&quot; class=&quot;user-hover&quot; rel=&quot;judah.schvimer&quot;&gt;judah.schvimer&lt;/a&gt; I don&apos;t think it would replace rollback_test.js. Maybe we could extend rollback_test.js to accommodate prepared transactions? But to answer your question, I intended for this ticket to make prepare rollback testing easier. &lt;/p&gt;</comment>
                            <comment id="2107154" author="tess.avitabile" created="Mon, 7 Jan 2019 15:33:00 +0000"  >&lt;p&gt;I would suggest this replace rollback_test.js, since PSA and enableMajorityReadConcern:true is not a supported configuration.&lt;/p&gt;</comment>
                            <comment id="2107136" author="judah.schvimer" created="Mon, 7 Jan 2019 15:26:27 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=pavithra.vetriselvan&quot; class=&quot;user-hover&quot; rel=&quot;pavithra.vetriselvan&quot;&gt;pavithra.vetriselvan&lt;/a&gt;, is this fixture expected to replace rollback_test.js or just be used in the fuzzer and prepare rollback tests?&lt;/p&gt;</comment>
                    </comments>
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                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="565188">SERVER-35872</issuekey>
        </issuelink>
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                                            <outwardlinks description="causes">
                                        <issuelink>
            <issuekey id="707467">SERVER-39910</issuekey>
        </issuelink>
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                    <name>Related</name>
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            <issuekey id="547805">SERVER-35176</issuekey>
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