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    <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>[DOCS-12483] Docs for SERVER-38696: Add additional metrics and logging on stepdown</title>
                <link>https://jira.mongodb.org/browse/DOCS-12483</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>&lt;h2&gt;&lt;a name=&quot;Description&quot;&gt;&lt;/a&gt;Description&lt;/h2&gt;
&lt;blockquote&gt;
&lt;h3&gt;&lt;a name=&quot;Description%3A&quot;&gt;&lt;/a&gt;Description: &lt;/h3&gt;

&lt;p&gt;Added below metrics to server status.&lt;br/&gt;
(&lt;a href=&quot;https://docs.mongodb.com/manual/reference/command/serverStatus/#serverstatus.metrics.repl&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://docs.mongodb.com/manual/reference/command/serverStatus/#serverstatus.metrics.repl&lt;/a&gt;)&lt;br/&gt;
1) metrics.repl.stepDown - A document that reports on metrics collected &lt;br/&gt;
while performing step down.&lt;br/&gt;
2) metrics.repl.stepDown.userOperationsKilled -  Tracks the number of  user operations killed on step down.&lt;br/&gt;
3) metrics.repl.stepDown.userOperationsRunning - Tracks the number of  user operations left running on step down.&lt;br/&gt;
4) metrics.repl.network.notMasterLegacyUnacknowledgedWrites - Tracks the number of times a legacy unacknowledged write failed due to not master error resulted in network disconnection.&lt;br/&gt;
5) metrics.repl.network.notMasterUnacknowledgedWrites - Tracks the number of times an unacknowledged write failed due to not master error resulted in network disconnection.&lt;/p&gt;


&lt;h3&gt;&lt;a name=&quot;EngineeringTicketDescription%3A&quot;&gt;&lt;/a&gt;Engineering Ticket Description:&lt;/h3&gt;

&lt;p&gt;Add the following metrics to server status:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;repl.stepDown.userWriteOperationsKilled: Write operations killed by stepdown.&lt;/li&gt;
	&lt;li&gt;repl.stepDown.userReadOperationsRunning: Read operations left running at stepdown&lt;/li&gt;
	&lt;li&gt;repl.network.secondaryLegacyUnacknowledgedWrites: Write operations to a secondary which resulted in a disconnection due to being an unacknowledged write (legacy ops)&lt;/li&gt;
	&lt;li&gt;repl.network.secondaryUnacknowledgedWrites: Write operations to a secondary which resulted in a disconnection due to being an unacknowledged write&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Add the following logging:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;At stepdown log the number of operations killed and preserved.&lt;/li&gt;
	&lt;li&gt;Log when an unacknowledged write results in a disconnection.&lt;/li&gt;
&lt;/ul&gt;
&lt;/blockquote&gt;

&lt;h2&gt;&lt;a name=&quot;Scopeofchanges&quot;&gt;&lt;/a&gt;Scope of changes&lt;/h2&gt;

&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;4.2&lt;/li&gt;
	&lt;li&gt;serverStatus&lt;/li&gt;
&lt;/ul&gt;


&lt;h2&gt;&lt;a name=&quot;ImpacttoOtherDocs&quot;&gt;&lt;/a&gt;Impact to Other Docs&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;MVP%28WorkandDate%29&quot;&gt;&lt;/a&gt;MVP (Work and Date)&lt;/h2&gt;

&lt;h2&gt;&lt;a name=&quot;Resources%28ScopeorDesignDocs%2CInvision%2Cetc.%29&quot;&gt;&lt;/a&gt;Resources (Scope or Design Docs, Invision, etc.)&lt;/h2&gt;
</description>
                <environment></environment>
        <key id="699002">DOCS-12483</key>
            <summary>Docs for SERVER-38696: Add additional metrics and logging on stepdown</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="kay.kim@mongodb.com">Kay Kim</assignee>
                                    <reporter username="kay.kim@mongodb.com">Kay Kim</reporter>
                        <labels>
                    </labels>
                <created>Fri, 15 Feb 2019 23:12:49 +0000</created>
                <updated>Mon, 13 Nov 2023 18:25:06 +0000</updated>
                            <resolved>Wed, 20 Feb 2019 16:00:57 +0000</resolved>
                                                    <fixVersion>4.1.9</fixVersion>
                    <fixVersion>Server_Docs_20231030</fixVersion>
                    <fixVersion>Server_Docs_20231106</fixVersion>
                    <fixVersion>Server_Docs_20231105</fixVersion>
                    <fixVersion>Server_Docs_20231113</fixVersion>
                                    <component>manual</component>
                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2157088" author="xgen-internal-githook" created="Wed, 20 Feb 2019 15:59:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Kay Kim&apos;, &apos;email&apos;: &apos;kay.kim@10gen.com&apos;, &apos;username&apos;: &apos;kay-kim&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-12483&quot; title=&quot;Docs for SERVER-38696: Add additional metrics and logging on stepdown&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-12483&quot;&gt;&lt;del&gt;DOCS-12483&lt;/del&gt;&lt;/a&gt;: 4.2 serverstatus stepdown metrics&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/docs/commit/5044fb0a2d68080ea24535541fc3de132d015452&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/docs/commit/5044fb0a2d68080ea24535541fc3de132d015452&lt;/a&gt;&lt;/p&gt;</comment>
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                <issuelinks>
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                                        <issuelink>
            <issuekey id="657393">SERVER-38696</issuekey>
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                            <issuelinktype id="10020">
                    <name>Gantt Dependency</name>
                                                                <inwardlinks description="has to be done after">
                                        <issuelink>
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