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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>[SERVER-68857] Create aggregation stage $allCollectionStats</title>
                <link>https://jira.mongodb.org/browse/SERVER-68857</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We could introduce a new aggregation stage $allCollectionStats. This data source would present a data stream of all collection stats for all collections.&#160;&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;This stage actually exists but it is internal ($_internalAllCollectionStats).&lt;/li&gt;
	&lt;li&gt;&lt;del&gt;We should make $allCollectionStats accept, at least, same specifications as $collStats. (Done in PM-2934).&lt;/del&gt;&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;&lt;p/&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; $_internalAllCollectionStats: {&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;   stats: { &lt;/span&gt;&lt;span style=&quot;color: #008200; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;/* This is the DocumentSourceCollStatsSepc object */&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;     latencyStats: { histograms: &amp;lt;&lt;/span&gt;&lt;span style=&quot;color: #006699; font-weight: bold; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;boolean&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&amp;gt; },&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;     storageStats: { scale: &amp;lt;number&amp;gt; },&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;     queryExecStats: {}&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
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&lt;p/&gt; * $allCollectionStats seemed like something the cloud team would be interested in for other projects also.&lt;/p&gt;

&lt;p&gt;At the moment we make this aggregation stage public it should be documented as &quot;New in version x.y&quot; and notify downstream attention.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2115118">SERVER-68857</key>
            <summary>Create aggregation stage $allCollectionStats</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="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="pol.castuera@mongodb.com">Pol Castuera</reporter>
                        <labels>
                    </labels>
                <created>Tue, 16 Aug 2022 15:29:59 +0000</created>
                <updated>Wed, 1 Nov 2023 19:13:56 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="5029870" author="JIRAUSER1263890" created="Mon, 5 Dec 2022 15:29:49 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=james.wahlin%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;james.wahlin@mongodb.com&quot;&gt;james.wahlin@mongodb.com&lt;/a&gt;, FYI $_internalAllCollectionStats is yet another interface added by another team for accessing collection stats. Since your team is working on stats, we wanted to bring this to your attention.&#160; It would be good for query to review all the different mechanisms for stats access, as there seems to be some redundancy due to independent work of various teams.&lt;/p&gt;

&lt;p&gt;cc: &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=david.storch%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;david.storch@mongodb.com&quot;&gt;david.storch@mongodb.com&lt;/a&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="5026379" author="charlie.swanson" created="Fri, 2 Dec 2022 20:39:51 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=jonathan.balsano%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;jonathan.balsano@mongodb.com&quot;&gt;jonathan.balsano@mongodb.com&lt;/a&gt;&apos;s team may be interested in this (I think I recall that from previous conversations?). Also I think the compass team expressed interest in something similar, though I can&apos;t find a ticket about it. I remember something about &quot;it&apos;s hard to get a list of all collections and all databases&quot; for their sidebar tab.&lt;/p&gt;</comment>
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