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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>[JAVA-3522] Stop assuming presence of inline mapReduce execution statistics</title>
                <link>https://jira.mongodb.org/browse/JAVA-3522</link>
                <project id="10006" key="JAVA">Java Driver</project>
                    <description>&lt;p&gt;See &lt;a href=&quot;https://jira.mongodb.org/browse/DRIVERS-773&quot; title=&quot;MR in Agg: Remove in-line mapReduce execution statistics&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DRIVERS-773&quot;&gt;&lt;del&gt;DRIVERS-773&lt;/del&gt;&lt;/a&gt; for details.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1036151">JAVA-3522</key>
            <summary>Stop assuming presence of inline mapReduce execution statistics</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="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="jeff.yemin@mongodb.com">Jeffrey Yemin</assignee>
                                    <reporter username="dbeng-pm-bot">PM Bot</reporter>
                        <labels>
                    </labels>
                <created>Wed, 4 Dec 2019 15:14:33 +0000</created>
                <updated>Sat, 28 Oct 2023 11:21:56 +0000</updated>
                            <resolved>Wed, 18 Dec 2019 17:38:03 +0000</resolved>
                                                    <fixVersion>3.12.1</fixVersion>
                                    <component>Query Operations</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2733180" author="xgen-internal-githook" created="Wed, 15 Jan 2020 22:34:30 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jeff Yemin&apos;, &apos;username&apos;: &apos;jyemin&apos;, &apos;email&apos;: &apos;jeff.yemin@10gen.com&apos;}
&lt;p&gt;Message: Remove assumption that mapReduce always returns statistics&lt;/p&gt;

&lt;p&gt;Starting with MongoDB 4.4, MongoDB will no longer produce execution statistics&lt;br/&gt;
for the mapReduce command.  The driver no longer assumes that they will be in&lt;br/&gt;
the response, and if they are missing will just produce zero values for all&lt;br/&gt;
statistics.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-3522&quot; title=&quot;Stop assuming presence of inline mapReduce execution statistics&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-3522&quot;&gt;&lt;del&gt;JAVA-3522&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/038fc6f2e3ff53b5661301be9a2e17e00074db0f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/038fc6f2e3ff53b5661301be9a2e17e00074db0f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2643883" author="xgen-internal-githook" created="Wed, 18 Dec 2019 17:37:52 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jeff Yemin&apos;, &apos;email&apos;: &apos;jeff.yemin@10gen.com&apos;, &apos;username&apos;: &apos;jyemin&apos;}
&lt;p&gt;Message: Remove assumption that mapReduce always returns statistics&lt;/p&gt;

&lt;p&gt;Starting with MongoDB 4.4, MongoDB will no longer produce execution statistics&lt;br/&gt;
for the mapReduce command.  The driver no longer assumes that they will be in&lt;br/&gt;
the response, and if they are missing will just produce zero values for all&lt;br/&gt;
statistics.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/JAVA-3522&quot; title=&quot;Stop assuming presence of inline mapReduce execution statistics&quot; class=&quot;issue-link&quot; data-issue-key=&quot;JAVA-3522&quot;&gt;&lt;del&gt;JAVA-3522&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
Branch: 3.12.x&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-java-driver/commit/84a80a62efaf418579b1d0e0f1c3485a83f737fe&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-java-driver/commit/84a80a62efaf418579b1d0e0f1c3485a83f737fe&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1018938">DRIVERS-773</issuekey>
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