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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-85465] Improve RecordStore seekNear API</title>
                <link>https://jira.mongodb.org/browse/SERVER-85465</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b509cab981989cc9b122d2988403d1d3a3bf0959/src/mongo/db/storage/wiredtiger/wiredtiger_record_store.cpp#L2213&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;seekNear API&lt;/a&gt; has bizarre semantics that requires the implementation to moving the cursor back and forth to return the correct key. If seekNear returns a previous key, then the caller has to call next() to advance.&lt;/p&gt;

&lt;p&gt;Replace this API or create another with lower_bound and upper_bound semantics to speed up seeks on both the oplog and clustered collections. Consider using bounded cursors here.&lt;/p&gt;

&lt;p&gt;As a specific goal, this would mean clustered collections scans only need to make one API call into the cursor when seeking. See &lt;a href=&quot;https://github.com/mongodb/mongo/blob/979d6a3a74e7c822fb6fd0c152a0bccc6ce3ca0e/src/mongo/db/exec/collection_scan.cpp#L467-L478&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this comment&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2551398">SERVER-85465</key>
            <summary>Improve RecordStore seekNear API</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="3" iconUrl="https://jira.mongodb.org/images/icons/statuses/inprogress.png" description="This issue is being actively worked on at the moment by the assignee.">In Progress</status>
                    <statusCategory id="4" key="indeterminate" colorName="inprogress"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="wei.hu@mongodb.com">Wei Hu</assignee>
                                    <reporter username="louis.williams@mongodb.com">Louis Williams</reporter>
                        <labels>
                            <label>perf-8.0</label>
                    </labels>
                <created>Fri, 19 Jan 2024 17:14:06 +0000</created>
                <updated>Wed, 7 Feb 2024 19:25:05 +0000</updated>
                                                                                                <votes>1</votes>
                                    <watches>12</watches>
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            <issuekey id="2485902">SERVER-82596</issuekey>
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