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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>[DOCS-7000] cursor.snapshot() page should no longer reference _id index</title>
                <link>https://jira.mongodb.org/browse/DOCS-7000</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;For performance reasons, the &quot;snapshot&quot; query option was changed in 3.2 to force a collection scan (instead of forcing an _id index scan) when used against a server configured with the WiredTiger storage engine.  This was changed as part of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-19593&quot; title=&quot;Allow collscans on $snapshot queries when not using MMAP1&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19593&quot;&gt;&lt;del&gt;SERVER-19593&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;The cursor.snapshot() documentation should be updated to remove the reference to the _id index (however, the &quot;snapshot&quot; query option remains incompatible with sorts and hints).&lt;/p&gt;</description>
                <environment></environment>
        <key id="259371">DOCS-7000</key>
            <summary>cursor.snapshot() page should no longer reference _id index</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="9">Done</resolution>
                                        <assignee username="kyle.suarez@mongodb.com">Kyle Suarez</assignee>
                                    <reporter username="rassi">J Rassi</reporter>
                        <labels>
                    </labels>
                <created>Tue, 19 Jan 2016 17:10:54 +0000</created>
                <updated>Wed, 11 Jan 2017 21:49:45 +0000</updated>
                            <resolved>Wed, 27 Jan 2016 16:31:55 +0000</resolved>
                                                    <fixVersion>01112017-cleanup</fixVersion>
                                    <component>manual</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1338350" author="emily.hall" created="Wed, 27 Jul 2016 19:09:56 +0000"  >&lt;p&gt;Closed for housekeeping on 7/27/2016 by Emily Hall. &lt;br/&gt;
If you require additional support, please open a new ticket for prioritization. &lt;br/&gt;
Thanks,&lt;br/&gt;
Emily&lt;/p&gt;</comment>
                            <comment id="1155351" author="xgen-internal-githook" created="Wed, 27 Jan 2016 16:05:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;ksuarz&apos;, u&apos;name&apos;: u&apos;Kyle Suarez&apos;, u&apos;email&apos;: u&apos;ksuarz@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-7000&quot; title=&quot;cursor.snapshot() page should no longer reference _id index&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-7000&quot;&gt;&lt;del&gt;DOCS-7000&lt;/del&gt;&lt;/a&gt; no _id index scan for cursor.snapshot()&lt;/p&gt;

&lt;p&gt;Due to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-19593&quot; title=&quot;Allow collscans on $snapshot queries when not using MMAP1&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19593&quot;&gt;&lt;del&gt;SERVER-19593&lt;/del&gt;&lt;/a&gt;, the cursor.snapshot() method no longer forces an _id index&lt;br/&gt;
scan and instead performs a collection scan.&lt;/p&gt;

&lt;p&gt;This removes the description of the implementation of cursor.snapshot(). It also&lt;br/&gt;
removes the extract isolate-cursor-snapshot-faq.&lt;/p&gt;

&lt;p&gt;Signed-off-by: kay &amp;lt;kay.kim@10gen.com&amp;gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/ef3f09b9236684ddda0b9df50bfff3beb554af69&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/ef3f09b9236684ddda0b9df50bfff3beb554af69&lt;/a&gt;&lt;/p&gt;</comment>
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