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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-82099] WiredTigerRecordStore searchNear fails on backwards searches with oplog read timestamp</title>
                <link>https://jira.mongodb.org/browse/SERVER-82099</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If you have a recovery unit with an oplog read timestamp which is between records (that is, there is no oplog entry with that read timestamp), then a backwards seekNear on a record ID corresponding to the oplog read timestamp or any later record ID will return boost::none instead of the proper previous record.&lt;/p&gt;

&lt;p&gt;I believe a similar problem could theoretically occur with visibility on forward searches, but it never does because WT search_near always returns the next record if it exists.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2472051">SERVER-82099</key>
            <summary>WiredTigerRecordStore searchNear fails on backwards searches with oplog read timestamp</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="daotang.yang@mongodb.com">Daotang Yang</assignee>
                                    <reporter username="matthew.russotto@mongodb.com">Matthew Russotto</reporter>
                        <labels>
                    </labels>
                <created>Wed, 11 Oct 2023 19:38:42 +0000</created>
                <updated>Mon, 20 Nov 2023 20:27:53 +0000</updated>
                            <resolved>Mon, 20 Nov 2023 20:27:53 +0000</resolved>
                                                    <fixVersion>7.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>10</watches>
                                                                                                                <comments>
                            <comment id="5893438" author="xgen-internal-githook" created="Mon, 20 Nov 2023 20:06:16 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Daotang Yang&apos;, &apos;email&apos;: &apos;daotang.yang@mongodb.com&apos;, &apos;username&apos;: &apos;&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-82099&quot; title=&quot;WiredTigerRecordStore searchNear fails on backwards searches with oplog read timestamp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-82099&quot;&gt;&lt;del&gt;SERVER-82099&lt;/del&gt;&lt;/a&gt; Fix WiredTigerRecordStore searchNear fails on backwards searches with oplog read timestamp&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/13a6e319047593e0b1d60ef41fce0ae352abb37e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/13a6e319047593e0b1d60ef41fce0ae352abb37e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5797933" author="steven.vannelli" created="Mon, 23 Oct 2023 02:30:57 +0000"  >&lt;p&gt;Thanks &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=matthew.russotto%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;matthew.russotto@mongodb.com&quot;&gt;matthew.russotto@mongodb.com&lt;/a&gt;. We&apos;ll consider keep it as 7.3 targeted but will let you know if that changes. &lt;/p&gt;</comment>
                            <comment id="5789478" author="matthew.russotto" created="Wed, 18 Oct 2023 22:29:27 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=steven.vannelli%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;steven.vannelli@mongodb.com&quot;&gt;steven.vannelli@mongodb.com&lt;/a&gt; We may want to start using seekNear on the oplog as part of a (not yet out of the tiger team) performance improvement project, but I&apos;m not actually blocked right now.  &lt;/p&gt;</comment>
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            <issuekey id="2485902">SERVER-82596</issuekey>
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