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    <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-32953] Log a deprecation warning when the maxScan find option is used.</title>
                <link>https://jira.mongodb.org/browse/SERVER-32953</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;tt&gt;maxScan&lt;/tt&gt; option is intended to guard against runaway queries or unexpected bad query plans by limiting the number of keys that the IXSCAN query execution stage is willing to examine. However, this option has since been superseded by &lt;tt&gt;maxTimeMS&lt;/tt&gt;. The &lt;tt&gt;maxTimeMS&lt;/tt&gt; mechanism is more complete in that it applies to most commands, whereas &lt;tt&gt;maxScan&lt;/tt&gt; is only available for find. Furthermore, &lt;tt&gt;maxScan&lt;/tt&gt; can be easily be confused with limit. Limit is a logical component of the query language, whereas &lt;tt&gt;maxScan&lt;/tt&gt; is better understood as a command directive in the vein of &lt;tt&gt;maxTimeMS&lt;/tt&gt;, &lt;tt&gt;readConcern&lt;/tt&gt;, &lt;tt&gt;writeConcern&lt;/tt&gt;, &lt;tt&gt;readPreference&lt;/tt&gt;, and so on.&lt;/p&gt;

&lt;p&gt;When &lt;tt&gt;maxScan&lt;/tt&gt; is used, we should occasionally log the following message:&lt;/p&gt;

&lt;blockquote&gt;
&lt;p&gt;Support for the maxScan option has been deprecated. Instead, use maxTimeMS. See &lt;a href=&quot;http://dochub.mongodb.org/core/4.0-deprecate-maxScan&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://dochub.mongodb.org/core/4.0-deprecate-maxScan&lt;/a&gt;.&lt;/p&gt;&lt;/blockquote&gt;</description>
                <environment></environment>
        <key id="488770">SERVER-32953</key>
            <summary>Log a deprecation warning when the maxScan find option is used.</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="david.storch@mongodb.com">David Storch</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                    </labels>
                <created>Mon, 29 Jan 2018 16:11:07 +0000</created>
                <updated>Sun, 29 Oct 2023 22:35:24 +0000</updated>
                            <resolved>Wed, 14 Feb 2018 16:14:31 +0000</resolved>
                                                    <fixVersion>3.7.3</fixVersion>
                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="1805635" author="xgen-internal-githook" created="Wed, 14 Feb 2018 16:09:18 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;david.storch@10gen.com&apos;, &apos;name&apos;: &apos;David Storch&apos;, &apos;username&apos;: &apos;dstorch&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32953&quot; title=&quot;Log a deprecation warning when the maxScan find option is used.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32953&quot;&gt;&lt;del&gt;SERVER-32953&lt;/del&gt;&lt;/a&gt; Log a deprecation warning when the maxScan find option is used.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c0e27cd59345e219ece04c99c4b55a189a14d6cc&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c0e27cd59345e219ece04c99c4b55a189a14d6cc&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1789181" author="david.storch" created="Tue, 30 Jan 2018 16:13:46 +0000"  >&lt;p&gt;The stable dochub link (&lt;a href=&quot;http://dochub.mongodb.org/core/4.0-deprecate-maxScan&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;http://dochub.mongodb.org/core/4.0-deprecate-maxScan&lt;/a&gt;) has been created, so this work is unblocked.&lt;/p&gt;</comment>
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