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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>
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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-31266] Treat queued task reporting for adaptive service executor consistently</title>
                <link>https://jira.mongodb.org/browse/SERVER-31266</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The current metrics for reporting tasks queued are inconsistent and a bit confusing:&lt;/p&gt;

&lt;p/&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 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;totalTimeQueued        cumulative time, both deferred and non-deferred tasks&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;

&lt;ul&gt;
	&lt;li&gt;the instantaneous metric &quot;tasksQueued&quot; includes only non-deferred whereas the cumulative metric &quot;totalTimeQueued&quot; includes both deferred and non-deferred&lt;/li&gt;
	&lt;li&gt;there is a cumulative time-based metric for the combined deferred and non-deferred but not for separately reporting deferred and non-deferred&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Generally the cumulative time-based counters are better because they allow computing averages over arbitrary sampling intervals so are less subject to sampling errors than instantaneous values. One approach would be to eliminate the intantaneous metrics and report only cumulative time-based metrics, broken out by type (deferred vs non-deferred).&lt;/p&gt;

&lt;p&gt;Probably related to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-30567&quot; title=&quot;Break out serviceExecutorTaskStats by task type&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-30567&quot;&gt;&lt;del&gt;SERVER-30567&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="432954">SERVER-31266</key>
            <summary>Treat queued task reporting for adaptive service executor consistently</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="fiona.rowan@mongodb.com">Fiona Rowan</assignee>
                                    <reporter username="bruce.lucas@mongodb.com">Bruce Lucas</reporter>
                        <labels>
                            <label>SWDI</label>
                    </labels>
                <created>Tue, 26 Sep 2017 15:44:04 +0000</created>
                <updated>Mon, 30 Oct 2023 23:13:20 +0000</updated>
                            <resolved>Wed, 22 Nov 2017 17:20:20 +0000</resolved>
                                                    <fixVersion>3.6.4</fixVersion>
                    <fixVersion>3.7.1</fixVersion>
                                                        <votes>22</votes>
                                    <watches>15</watches>
                                                                                                                <comments>
                            <comment id="1820461" author="xgen-internal-githook" created="Thu, 1 Mar 2018 21:44:06 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;fiona.rowan@mongodb.com&apos;, &apos;name&apos;: &apos;Fiona Rowan&apos;, &apos;username&apos;: &apos;fionaRowan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-31266&quot; title=&quot;Treat queued task reporting for adaptive service executor consistently&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-31266&quot;&gt;&lt;del&gt;SERVER-31266&lt;/del&gt;&lt;/a&gt;: removed instantaneous queued metrics from reporting&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 90f34372f53403ed24fd155f4fe9a82b6f742e97)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3caab5908a711db69d385377cf6a601102ade627&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3caab5908a711db69d385377cf6a601102ade627&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1733065" author="xgen-internal-githook" created="Wed, 22 Nov 2017 17:15:10 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Fiona Rowan&apos;, &apos;username&apos;: &apos;fionaRowan&apos;, &apos;email&apos;: &apos;fiona.rowan@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-31266&quot; title=&quot;Treat queued task reporting for adaptive service executor consistently&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-31266&quot;&gt;&lt;del&gt;SERVER-31266&lt;/del&gt;&lt;/a&gt;: removed instantaneous queued metrics from reporting&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/90f34372f53403ed24fd155f4fe9a82b6f742e97&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/90f34372f53403ed24fd155f4fe9a82b6f742e97&lt;/a&gt;&lt;/p&gt;</comment>
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