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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-7086] Consider documenting &quot;seeks&quot; IXSCAN statistic added to explain</title>
                <link>https://jira.mongodb.org/browse/DOCS-7086</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;p&gt;Under &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2235&quot; title=&quot;IndexScan should track the number of calls to seek() and expose in explain&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-2235&quot;&gt;&lt;del&gt;SERVER-2235&lt;/del&gt;&lt;/a&gt;, we added a new statistic called &lt;tt&gt;seeks&lt;/tt&gt; for the IXSCAN query execution stage. This statistic is exposed via explain in &quot;executionStats&quot; and &quot;allPlansExecution&quot; modes. It reports the number of times that we had to seek the IndexCursor to a new position in order to complete the index scan.&lt;/p&gt;

&lt;p&gt;We may want to extend our documentation of explain results to mention &lt;tt&gt;seeks&lt;/tt&gt;:&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://docs.mongodb.org/manual/reference/explain-results/#executionstats&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://docs.mongodb.org/manual/reference/explain-results/#executionstats&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="262941">DOCS-7086</key>
            <summary>Consider documenting &quot;seeks&quot; IXSCAN statistic added to explain</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="9">Done</resolution>
                                        <assignee username="kay.kim@mongodb.com">Kay Kim</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                            <label>docs-3.4</label>
                    </labels>
                <created>Wed, 3 Feb 2016 20:20:54 +0000</created>
                <updated>Wed, 4 Jan 2023 17:03:34 +0000</updated>
                            <resolved>Wed, 16 Jan 2019 17:39:54 +0000</resolved>
                                                    <fixVersion>3.4.0</fixVersion>
                                    <component>manual</component>
                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2117051" author="xgen-internal-githook" created="Wed, 16 Jan 2019 16:30:32 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;kay.kim@mongodb.com&apos;, &apos;name&apos;: &apos;Kay Kim&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-7086&quot; title=&quot;Consider documenting &amp;quot;seeks&amp;quot; IXSCAN statistic added to explain&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-7086&quot;&gt;&lt;del&gt;DOCS-7086&lt;/del&gt;&lt;/a&gt;,&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-11277&quot; title=&quot;Consider slight clarification of `explain.executionStats.totalDocsExamined`&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-11277&quot;&gt;&lt;del&gt;DOCS-11277&lt;/del&gt;&lt;/a&gt;: seeks metrics for IXSCAN stages in explain +  totalDocsExamined clarification&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/bef74b4a35b3ef874dd56205995abd93ca53919c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/bef74b4a35b3ef874dd56205995abd93ca53919c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2117019" author="xgen-internal-githook" created="Wed, 16 Jan 2019 16:15:55 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;kay.kim@mongodb.com&apos;, &apos;name&apos;: &apos;Kay Kim&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-7086&quot; title=&quot;Consider documenting &amp;quot;seeks&amp;quot; IXSCAN statistic added to explain&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-7086&quot;&gt;&lt;del&gt;DOCS-7086&lt;/del&gt;&lt;/a&gt;,&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-11277&quot; title=&quot;Consider slight clarification of `explain.executionStats.totalDocsExamined`&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-11277&quot;&gt;&lt;del&gt;DOCS-11277&lt;/del&gt;&lt;/a&gt;: seeks metrics for IXSCAN stages in explain +  totalDocsExamined clarification&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/42819ac64cb6bbcad5266d72ad346993824aa32b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/42819ac64cb6bbcad5266d72ad346993824aa32b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2117017" author="xgen-internal-githook" created="Wed, 16 Jan 2019 16:15:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;kay.kim@mongodb.com&apos;, &apos;name&apos;: &apos;Kay Kim&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-7086&quot; title=&quot;Consider documenting &amp;quot;seeks&amp;quot; IXSCAN statistic added to explain&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-7086&quot;&gt;&lt;del&gt;DOCS-7086&lt;/del&gt;&lt;/a&gt;,&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-11277&quot; title=&quot;Consider slight clarification of `explain.executionStats.totalDocsExamined`&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-11277&quot;&gt;&lt;del&gt;DOCS-11277&lt;/del&gt;&lt;/a&gt;: seeks metrics for IXSCAN stages in explain +  totalDocsExamined clarification&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/e5a47e71e6aa01d7caae373637145ae6812d254b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/e5a47e71e6aa01d7caae373637145ae6812d254b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2117013" author="xgen-internal-githook" created="Wed, 16 Jan 2019 16:13:13 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;kay.kim@mongodb.com&apos;, &apos;name&apos;: &apos;Kay Kim&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-7086&quot; title=&quot;Consider documenting &amp;quot;seeks&amp;quot; IXSCAN statistic added to explain&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-7086&quot;&gt;&lt;del&gt;DOCS-7086&lt;/del&gt;&lt;/a&gt;,&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-11277&quot; title=&quot;Consider slight clarification of `explain.executionStats.totalDocsExamined`&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-11277&quot;&gt;&lt;del&gt;DOCS-11277&lt;/del&gt;&lt;/a&gt;: seeks metrics for IXSCAN stages in explain +  totalDocsExamined clarification&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/e60c4dc9e756c9c7ff451a6f61960d466ee43b58&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/e60c4dc9e756c9c7ff451a6f61960d466ee43b58&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
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                                        <issuelink>
            <issuekey id="13985">SERVER-2235</issuekey>
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                                        <issuelink>
            <issuekey id="491490">DOCS-11277</issuekey>
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