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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-49774] Enable rollback testing for resumable index builds in the collection scan phase</title>
                <link>https://jira.mongodb.org/browse/SERVER-49774</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;After &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-50168&quot; title=&quot;Transition to rollback doesn&amp;#39;t need to clear out the majority committed snapshot&amp;#39;s timestamp.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-50168&quot;&gt;&lt;del&gt;SERVER-50168&lt;/del&gt;&lt;/a&gt;, this work should simply entail enabling &lt;a href=&quot;https://github.com/mongodb/mongo/blob/cc68e42e8df1c6744311852099b1a87b04c568bd/jstests/noPassthrough/rollback_resumable_index_build_collection_scan_phase.js&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;rollback_resumable_index_build_collection_scan_phase.js&lt;/a&gt;.&lt;/p&gt;


&lt;p&gt;Original description:&lt;/p&gt;

&lt;p&gt;If a node goes into rollback during the collection scan of a resumable index build, the majority committed view gets zeroed out which causes the scan to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0cb70e9577c46257798d0385b15ec6bff8dbd28d/src/mongo/db/catalog/multi_index_block.cpp#L406&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;throw ReadConcernMajorityNotAvailableYet&lt;/a&gt;. We then hit &lt;a href=&quot;https://github.com/mongodb/mongo/blob/0cb70e9577c46257798d0385b15ec6bff8dbd28d/src/mongo/db/index_builds_coordinator.cpp#L2140-L2145&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this invariant&lt;/a&gt; since we currently do not expect an index build to fail this way.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1416035">SERVER-49774</key>
            <summary>Enable rollback testing for resumable index builds in the collection scan phase</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="gregory.noma@mongodb.com">Gregory Noma</assignee>
                                    <reporter username="gregory.noma@mongodb.com">Gregory Noma</reporter>
                        <labels>
                    </labels>
                <created>Tue, 21 Jul 2020 18:19:20 +0000</created>
                <updated>Sun, 29 Oct 2023 22:05:28 +0000</updated>
                            <resolved>Wed, 2 Sep 2020 21:39:53 +0000</resolved>
                                                    <fixVersion>4.7.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="3373296" author="xgen-internal-githook" created="Wed, 2 Sep 2020 21:07:46 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Gregory Noma&apos;, &apos;email&apos;: &apos;gregory.noma@gmail.com&apos;, &apos;username&apos;: &apos;gregorynoma&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49774&quot; title=&quot;Enable rollback testing for resumable index builds in the collection scan phase&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49774&quot;&gt;&lt;del&gt;SERVER-49774&lt;/del&gt;&lt;/a&gt; Enable rollback testing for resumable index builds in the collection scan phase&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/30e0f2a2b33a9b87259ac4c8a9e19518e2b8e1a3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/30e0f2a2b33a9b87259ac4c8a9e19518e2b8e1a3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3331518" author="suganthi.mani" created="Mon, 10 Aug 2020 20:31:55 +0000"  >&lt;p&gt;Response to my previous question -  the index build collection started during STARTUP state doesn&apos;t use  majority committed snapshot cursor. So, we can&apos;t get &quot;ReadConcernMajorityNotAvailableYet&quot; error.&lt;/p&gt;</comment>
                            <comment id="3331168" author="suganthi.mani" created="Mon, 10 Aug 2020 17:45:38 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=gregory.noma&quot; class=&quot;user-hover&quot; rel=&quot;gregory.noma&quot;&gt;gregory.noma&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=benety.goh&quot; class=&quot;user-hover&quot; rel=&quot;benety.goh&quot;&gt;benety.goh&lt;/a&gt;, &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; raised a valid question while triaging for &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-50168&quot; title=&quot;Transition to rollback doesn&amp;#39;t need to clear out the majority committed snapshot&amp;#39;s timestamp.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-50168&quot;&gt;&lt;del&gt;SERVER-50168&lt;/del&gt;&lt;/a&gt;&apos;s whether it&apos;s possible for index build&apos;s collection  scan to get the same error &quot;ReadConcernMajorityNotAvailableYet&quot; in replication STARTUP state . If so, &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-50168&quot; title=&quot;Transition to rollback doesn&amp;#39;t need to clear out the majority committed snapshot&amp;#39;s timestamp.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-50168&quot;&gt;&lt;del&gt;SERVER-50168&lt;/del&gt;&lt;/a&gt; fix won&apos;t be sufficient.  Let me know your thoughts on it.&lt;/p&gt;</comment>
                            <comment id="3325616" author="benety.goh" created="Thu, 6 Aug 2020 21:31:56 +0000"  >&lt;p&gt;This ticket is on hold until &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-50168&quot; title=&quot;Transition to rollback doesn&amp;#39;t need to clear out the majority committed snapshot&amp;#39;s timestamp.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-50168&quot;&gt;&lt;del&gt;SERVER-50168&lt;/del&gt;&lt;/a&gt; is triaged.&lt;/p&gt;</comment>
                            <comment id="3295102" author="benety.goh" created="Tue, 21 Jul 2020 18:37:02 +0000"  >&lt;p&gt;One of the test cases added in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48418&quot; title=&quot;Rollback restart resumable index builds from beginning&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48418&quot;&gt;&lt;del&gt;SERVER-48418&lt;/del&gt;&lt;/a&gt; provides test coverage for the issue in this ticket. That test case will remain disabled with a TODO comment referencing this ticket.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="1434303">SERVER-50168</issuekey>
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            <issuekey id="1389496">SERVER-49075</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="1389497">SERVER-49076</issuekey>
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            <issuekey id="1362807">SERVER-48418</issuekey>
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            <issuelink>
            <issuekey id="1365795">SERVER-48476</issuekey>
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