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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-78428] Truncate change stream change collections at startup to avoid recovery holes</title>
                <link>https://jira.mongodb.org/browse/SERVER-78428</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;During crash recovery untimestamped truncates can spontaneously be partially rolled back due to lack of information at the WiredTiger layer.&lt;/p&gt;

&lt;p&gt;This can cause &quot;holes&quot; to manifest in preimages and change collections where we have patches of missing data that should&apos;ve expired.&lt;/p&gt;

&lt;p&gt;To avoid these holes we should range truncate the collections at startup so that the expired data is deleted again and the holes are not presented to the end user.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2376995">SERVER-78428</key>
            <summary>Truncate change stream change collections at startup to avoid recovery holes</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="haley.connelly@mongodb.com">Haley Connelly</assignee>
                                    <reporter username="haley.connelly@mongodb.com">Haley Connelly</reporter>
                        <labels>
                    </labels>
                <created>Mon, 26 Jun 2023 14:29:50 +0000</created>
                <updated>Sun, 29 Oct 2023 21:19:33 +0000</updated>
                            <resolved>Mon, 18 Sep 2023 11:23:24 +0000</resolved>
                                                    <fixVersion>7.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5710666" author="xgen-internal-githook" created="Mon, 18 Sep 2023 11:22:09 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Haley Connelly&apos;, &apos;email&apos;: &apos;haley.connelly@mongodb.com&apos;, &apos;username&apos;: &apos;haleyConnelly&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78428&quot; title=&quot;Truncate change stream change collections at startup to avoid recovery holes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78428&quot;&gt;&lt;del&gt;SERVER-78428&lt;/del&gt;&lt;/a&gt; Truncate change stream change collections at startup to avoid recovery holes&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/98d349bab879fd2c49ad9a49740c93bdf8a4d5d2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/98d349bab879fd2c49ad9a49740c93bdf8a4d5d2&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5544179" author="haley.connelly" created="Wed, 5 Jul 2023 13:00:20 +0000"  >&lt;p&gt;Marking as depends on&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78037&quot; title=&quot;Truncate preimages at startup to avoid recovery holes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78037&quot;&gt;&lt;del&gt;SERVER-78037&lt;/del&gt;&lt;/a&gt;, as consensus on the approach for that ticket will help determine the route we take with this one.&lt;/p&gt;</comment>
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                <issuelinks>
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                                            <outwardlinks description="depends on">
                                        <issuelink>
            <issuekey id="2366790">SERVER-78037</issuekey>
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                                        <issuelink>
            <issuekey id="2389588">SERVER-78892</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2452283">SERVER-81485</issuekey>
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