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    <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-55275] Index builder must check for interrupt between collection scan and bulk load phases</title>
                <link>https://jira.mongodb.org/browse/SERVER-55275</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We frequently call checkForInterrupt() so that index builds can be quickly aborted. We do this on each iteration of collection scanning and bulk-loading sorted keys into the index.&lt;/p&gt;

&lt;p&gt;If an index build is aborted between these two phases, &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2a7d4e1159ee9484ffd1954b220957b1679b74c2/src/mongo/db/catalog/multi_index_block.cpp#L588&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this invariant&lt;/a&gt; will fail because the MultiIndexBlock has already been cleaned up by a different thead. &lt;/p&gt;

&lt;p&gt;This scenario is normally protected by &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2a7d4e1159ee9484ffd1954b220957b1679b74c2/src/mongo/db/index_builds_coordinator.cpp#L1092&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Collection X lock&lt;/a&gt; held by the operation aborting the index build, but the index builder will yield/restore while scanning.&lt;/p&gt;

&lt;p&gt;I think this invariant can fail if an index build is aborted while it is yielding, and after it restores it hits the end of the collection and does not call checkForInterrupt(). We need to call checkForInterrupt() in dumpInsertsFromBulk before checking the _buildIsCleanedUp invariant.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1651631">SERVER-55275</key>
            <summary>Index builder must check for interrupt between collection scan and bulk load phases</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>Wed, 17 Mar 2021 19:34:05 +0000</created>
                <updated>Sun, 29 Oct 2023 21:56:11 +0000</updated>
                            <resolved>Thu, 22 Apr 2021 14:28:23 +0000</resolved>
                                    <version>4.4.0</version>
                    <version>4.9.0</version>
                                    <fixVersion>4.4.7</fixVersion>
                    <fixVersion>5.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="3764483" author="xgen-internal-githook" created="Mon, 10 May 2021 18:04:37 +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-55275&quot; title=&quot;Index builder must check for interrupt between collection scan and bulk load phases&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-55275&quot;&gt;&lt;del&gt;SERVER-55275&lt;/del&gt;&lt;/a&gt; Index builder must check for interrupt between collection scan and bulk load phases&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 4faefeace6228d16df918abd9c2c2d8a011f5066)&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b4f8c3b8428c5eaef5886bedc6eb98018ecc1d48&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b4f8c3b8428c5eaef5886bedc6eb98018ecc1d48&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3731820" author="xgen-internal-githook" created="Wed, 21 Apr 2021 23:21:47 +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-55275&quot; title=&quot;Index builder must check for interrupt between collection scan and bulk load phases&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-55275&quot;&gt;&lt;del&gt;SERVER-55275&lt;/del&gt;&lt;/a&gt; Index builder must check for interrupt between collection scan and bulk load phases&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4faefeace6228d16df918abd9c2c2d8a011f5066&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4faefeace6228d16df918abd9c2c2d8a011f5066&lt;/a&gt;&lt;/p&gt;</comment>
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