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    <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-81980] Make PreImagesTruncateManager avoid calling abandonSnapshot while holding a Collection Snapshot</title>
                <link>https://jira.mongodb.org/browse/SERVER-81980</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The pre image truncate marker initialization code relies on &lt;a href=&quot;https://github.com/10gen/mongo/blob/6176c2dbd68adc5094496db09aebd3abf7f960b6/src/mongo/db/change_stream_pre_images_truncate_manager.cpp#L719&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;abandonSnapshot()&lt;/a&gt; to provide an updated view of the pre-images collection, and update the highest seen recordId and wall time for each nsUUID.&lt;/p&gt;

&lt;p&gt;However, (1) the code passes a &lt;a href=&quot;https://github.com/10gen/mongo/blob/6176c2dbd68adc5094496db09aebd3abf7f960b6/src/mongo/db/change_stream_pre_images_truncate_manager.cpp#L674C11-L674C31&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;CollectionAcquisition&lt;/a&gt; reference whose underlying collection pointer could be &lt;a href=&quot;https://github.com/10gen/mongo/blob/0df6c43273e7ab340305bc9208e5775b7a591817/src/mongo/db/catalog/collection_catalog.h#L247-L249&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;invalidated by calling abandonSnapshot()&lt;/a&gt; if there were a concurrent DDL operation. &lt;/p&gt;

&lt;p&gt;At this time, the uses of abandonSnapshot() are called while holding the collection lock, which prevents DDL operations from coming in and invalidating the Collection snapshot.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2469563">SERVER-81980</key>
            <summary>Make PreImagesTruncateManager avoid calling abandonSnapshot while holding a Collection Snapshot</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="10018" iconUrl="https://jira.mongodb.org/images/icons/statuses/visible.png" description="">In Code Review</status>
                    <statusCategory id="4" key="indeterminate" colorName="inprogress"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="haley.connelly@mongodb.com">Haley Connelly</assignee>
                                    <reporter username="haley.connelly@mongodb.com">Haley Connelly</reporter>
                        <labels>
                            <label>tech-debt</label>
                    </labels>
                <created>Mon, 9 Oct 2023 12:43:01 +0000</created>
                <updated>Wed, 7 Feb 2024 20:01:21 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>5</watches>
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                                                                <inwardlinks description="has to be done after">
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            <issuekey id="2551421">SERVER-85471</issuekey>
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                                        <issuelink>
            <issuekey id="2470492">SERVER-82031</issuekey>
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            <issuelink>
            <issuekey id="2470787">SERVER-82040</issuekey>
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