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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-31183] currentOp output can contain an &quot;ns&quot; field with a value like &quot;dbName.$cmd&quot;</title>
                <link>https://jira.mongodb.org/browse/SERVER-31183</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The high-level command handling code always sets the namespace associated with an operation to the name of the database concatenated with the string &quot;$cmd&quot;:&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/44a2de49607e5340efc7e84d265216723d403add/src/mongo/db/service_entry_point_mongod.cpp#L788-L795&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/blob/44a2de49607e5340efc7e84d265216723d403add/src/mongo/db/service_entry_point_mongod.cpp#L788-L795&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Commands which target a collection, in particular the various CRUD commands, will later overwrite this value to contain a fully qualified namespace such as &lt;tt&gt;myDb.myColl&lt;/tt&gt;. However, if &lt;tt&gt;db.currentOp()&lt;/tt&gt; is executed at the right time, the user might see a string such as &lt;tt&gt;myDb.$cmd&lt;/tt&gt;:&lt;/p&gt;

&lt;p/&gt;
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&lt;p/&gt;

&lt;p&gt;This is a holdover from the legacy OP_QUERY-based commands protocol, in which a command over the &lt;tt&gt;myDb&lt;/tt&gt; database would be issued with the namespace string &lt;tt&gt;myDb.$cmd&lt;/tt&gt;. It is also counter-intuitive to users, who expect this field to always contain the fully-qualified namespace over which their application logically issued the operation. Instead of &lt;tt&gt;$cmd&lt;/tt&gt;, the user should always see the actual collection name.&lt;/p&gt;</description>
                <environment></environment>
        <key id="430036">SERVER-31183</key>
            <summary>currentOp output can contain an &quot;ns&quot; field with a value like &quot;dbName.$cmd&quot;</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-execution">Backlog - Query Execution</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                            <label>QFB</label>
                            <label>query-44-grooming</label>
                    </labels>
                <created>Wed, 20 Sep 2017 18:09:06 +0000</created>
                <updated>Tue, 6 Dec 2022 03:51:33 +0000</updated>
                                            <version>3.2.16</version>
                    <version>3.4.9</version>
                    <version>3.5.13</version>
                                                    <component>Diagnostics</component>
                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>12</watches>
                                                                                                                <comments>
                            <comment id="1904690" author="asya" created="Wed, 30 May 2018 15:33:17 +0000"  >&lt;p&gt;If we ever expect to allow a single (bulk) update command to specify multiple updates going to different collections in a database&#160; (As discusses in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-2172&quot; title=&quot;Support Batching Mixed Operations Against Same Collection&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-2172&quot;&gt;SERVER-2172&lt;/a&gt; and&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20211&quot; title=&quot;Cross collection batch operation&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20211&quot;&gt;SERVER-20211&lt;/a&gt;)&#160; then that&apos;s a case where command collection may not have an appropriate single value.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
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