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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-48062] Index build abort can race with stepdown</title>
                <link>https://jira.mongodb.org/browse/SERVER-48062</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The contract for aborting an index build is that once the aborting thread acquires the RSTL, the collection X lock, and kills the builder thread, &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5e34f22c838de78290b574519abb7a7241bc1059/src/mongo/db/index_builds_coordinator.cpp#L1022-L1031&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;it must follow-through with the abort&lt;/a&gt; by writing an &quot;abortIndexBuild&quot; oplog entry. Otherwise, the index build is left unfinished on disk with no means of making progress.&lt;/p&gt;

&lt;p&gt;In a special race, a step-down can interrupt the final write, after the RSTL has been acquired, causing the server to crash.&lt;/p&gt;

&lt;p&gt;We should consider making this critical section resilient to being interrupted.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1345033">SERVER-48062</key>
            <summary>Index build abort can race with stepdown</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="louis.williams@mongodb.com">Louis Williams</assignee>
                                    <reporter username="louis.williams@mongodb.com">Louis Williams</reporter>
                        <labels>
                    </labels>
                <created>Fri, 8 May 2020 19:57:33 +0000</created>
                <updated>Sun, 29 Oct 2023 22:08:28 +0000</updated>
                            <resolved>Tue, 2 Jun 2020 18:25:19 +0000</resolved>
                                    <version>4.4.0</version>
                                    <fixVersion>4.4.0-rc8</fixVersion>
                    <fixVersion>4.7.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="3185859" author="xgen-internal-githook" created="Tue, 2 Jun 2020 21:24:25 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Louis Williams&apos;, &apos;email&apos;: &apos;louis.williams@mongodb.com&apos;, &apos;username&apos;: &apos;louiswilliams&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48062&quot; title=&quot;Index build abort can race with stepdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48062&quot;&gt;&lt;del&gt;SERVER-48062&lt;/del&gt;&lt;/a&gt; Index build abort should not be interrupted by stepdown&lt;/p&gt;

&lt;p&gt;(cherry picked from commit baf75dd579bfec6554fa881b73cc427f0bbb3309)&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/41dac937f818a5d10977347cae5884bac4a10a74&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/41dac937f818a5d10977347cae5884bac4a10a74&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3181382" author="xgen-internal-githook" created="Tue, 2 Jun 2020 17:50:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Louis Williams&apos;, &apos;email&apos;: &apos;louis.williams@mongodb.com&apos;, &apos;username&apos;: &apos;louiswilliams&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48062&quot; title=&quot;Index build abort can race with stepdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48062&quot;&gt;&lt;del&gt;SERVER-48062&lt;/del&gt;&lt;/a&gt; Index build abort should not be interrupted by stepdown&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/baf75dd579bfec6554fa881b73cc427f0bbb3309&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/baf75dd579bfec6554fa881b73cc427f0bbb3309&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2397744">SERVER-79176</issuekey>
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            <issuekey id="1368243">SERVER-48524</issuekey>
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