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    <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-53618] add collStats for time-series collections</title>
                <link>https://jira.mongodb.org/browse/SERVER-53618</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Unlike for regular read-only views, it makes sense for time-series collections to support the collStats command. Most of the stats would come from the actual bucket collection, except for &lt;tt&gt;count&lt;/tt&gt; (unfortunately it&apos;s not currently possible to store that for a time-series collection), the derived &lt;tt&gt;avgObjSize&lt;/tt&gt; and storage engine stats, such as the very verbose &lt;tt&gt;wiredTiger&lt;/tt&gt; section: for that level of detail it makes sense to directly get stats from the buckets collection.&lt;/p&gt;

&lt;p&gt;Additional stats could be &lt;tt&gt;bucketCount&lt;/tt&gt; (which is &lt;tt&gt;count&lt;/tt&gt; of the buckets collection), and &lt;tt&gt;avgBucketSize&lt;/tt&gt; and possibly &lt;tt&gt;bucketNs&lt;/tt&gt; or similar. A question is whether to include execution stats, such as the number of insert operations vs updates, measurements per commit, buckets closed due to size/count/time constraints, new buckets created due to time going backward, new metadata etc. Some of the more global bucket catalog information may be better included in a new serverStatus section instead.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1582640">SERVER-53618</key>
            <summary>add collStats for time-series collections</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="gregory.noma@mongodb.com">Gregory Noma</assignee>
                                    <reporter username="geert.bosch@mongodb.com">Geert Bosch</reporter>
                        <labels>
                    </labels>
                <created>Wed, 6 Jan 2021 19:44:15 +0000</created>
                <updated>Sun, 29 Oct 2023 21:59:06 +0000</updated>
                            <resolved>Wed, 13 Jan 2021 15:52:50 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3561835" author="xgen-internal-githook" created="Wed, 13 Jan 2021 07:12:11 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Gregory Noma&apos;, &apos;email&apos;: &apos;gregory.noma@gmail.com&apos;, &apos;username&apos;: &apos;gregorynoma&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-53618&quot; title=&quot;add collStats for time-series collections&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-53618&quot;&gt;&lt;del&gt;SERVER-53618&lt;/del&gt;&lt;/a&gt; Add collStats for time-series collections&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b196c637c409ab9d84df96fe8f3595cea9e5b6fa&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b196c637c409ab9d84df96fe8f3595cea9e5b6fa&lt;/a&gt;&lt;/p&gt;</comment>
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