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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>
    </build-info>


<item>
            <title>[SERVER-68271] Trigger Collection instantiation when reading PIT earlier than last DDL timestamp in Collection</title>
                <link>https://jira.mongodb.org/browse/SERVER-68271</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When setting up the read AutoGetCollectionForRead should trigger the instantiation of Collection instance instead of retrying the operation or error with SnapshotUnavailable.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2098545">SERVER-68271</key>
            <summary>Trigger Collection instantiation when reading PIT earlier than last DDL timestamp in Collection</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="matthew.saltz@mongodb.com">Matthew Saltz</assignee>
                                    <reporter username="henrik.edin@mongodb.com">Henrik Edin</reporter>
                        <labels>
                    </labels>
                <created>Mon, 25 Jul 2022 18:00:31 +0000</created>
                <updated>Sun, 29 Oct 2023 21:35:22 +0000</updated>
                            <resolved>Thu, 26 Jan 2023 18:58:07 +0000</resolved>
                                                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5143861" author="xgen-internal-githook" created="Thu, 26 Jan 2023 18:55:41 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Matthew Saltz&apos;, &apos;email&apos;: &apos;matthew.saltz@mongodb.com&apos;, &apos;username&apos;: &apos;saltzm&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-68271&quot; title=&quot;Trigger Collection instantiation when reading PIT earlier than last DDL timestamp in Collection&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-68271&quot;&gt;&lt;del&gt;SERVER-68271&lt;/del&gt;&lt;/a&gt; Integrate point-in-time catalog lookups into the lock-free read path&lt;/p&gt;

&lt;p&gt;This ticket ended up consisting of several different pieces of work:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Implement AutoGetCollectionForReadLockFreePITCatalog, which will be used for&lt;br/&gt;
  the implementation of AutoGetCollectionForReadLockFree when the&lt;br/&gt;
  PointInTimeCatalogLookups feature flag is enabled&lt;/li&gt;
	&lt;li&gt;Disable and update tests to take into account the new behavior when the feature&lt;br/&gt;
  flag is enabled&lt;/li&gt;
	&lt;li&gt;Fix a bug in CollectionImpl::initFromExisting where we were looking up the&lt;br/&gt;
  shared index ident for an index by index name rather than by index ident,&lt;br/&gt;
  which would lead to returning the wrong ident&lt;/li&gt;
	&lt;li&gt;Disable old code in the IndexCatalog that would filter out index entries when&lt;br/&gt;
  the read timestamp was less than the minVisibleSnapshot for those entries&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b20c9e6ff98c1c37ac609e950081870053e3693a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b20c9e6ff98c1c37ac609e950081870053e3693a&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;
</comment>
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                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="2041348">SERVER-66283</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2242394">SERVER-73275</issuekey>
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            <issuelink>
            <issuekey id="2201004">SERVER-71817</issuekey>
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