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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-75005] Integrate pre-image collection removal with new truncate mechanism</title>
                <link>https://jira.mongodb.org/browse/SERVER-75005</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;As the implementation of Pre-image truncate markers gets merged. We want to start work on integrating them with the existing asynchronous remover process.&lt;/p&gt;

&lt;p&gt;To this end, the following steps should guarantee proper initialisation:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Inserters can create the CollectionTruncateMarkers instance if it doesn&apos;t exist&lt;/li&gt;
	&lt;li&gt;Remover will start by scanning the pre-image collection and creating the CollectionTruncateMarkers instance&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;At this point the invariant of all pre-image collections present in the map will always hold.&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;Remover will then sample the collection&lt;/li&gt;
	&lt;li&gt;Remover will then block modifications of the map and perform the following:
	&lt;ul&gt;
		&lt;li&gt;Create a set of initial truncate markers for each collection in the map based on the samples&lt;/li&gt;
		&lt;li&gt;Replace the CollectionTruncateMarkers with a new instance containing the new set of initial markers for each collection&lt;/li&gt;
	&lt;/ul&gt;
	&lt;/li&gt;
	&lt;li&gt;Remover will then mark itself as having initialised the map.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;With this series of steps we&apos;ll be able to guarantee that the map is fully initialised with proper metrics for all collections and without blocking anything except momentarily halting inserts to new collections that use pre-images.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2291288">SERVER-75005</key>
            <summary>Integrate pre-image collection removal with new truncate mechanism</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="haley.connelly@mongodb.com">Haley Connelly</assignee>
                                    <reporter username="jordi.olivares-provencio@mongodb.com">Jordi Olivares Provencio</reporter>
                        <labels>
                    </labels>
                <created>Fri, 17 Mar 2023 17:35:23 +0000</created>
                <updated>Sun, 29 Oct 2023 21:24:42 +0000</updated>
                            <resolved>Thu, 11 May 2023 12:07:00 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5413928" author="xgen-internal-githook" created="Wed, 10 May 2023 11:23:40 +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-75005&quot; title=&quot;Integrate pre-image collection removal with new truncate mechanism&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-75005&quot;&gt;&lt;del&gt;SERVER-75005&lt;/del&gt;&lt;/a&gt; Integrate pre-image collection removal with new truncate mechanism&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/42feb6abe211d0e071b794db8e7566ff8bdd4c42&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/42feb6abe211d0e071b794db8e7566ff8bdd4c42&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2291293">SERVER-75006</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2316975">WT-10949</issuekey>
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            <issuekey id="2315043">SERVER-76125</issuekey>
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