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    <title>MongoDB Jira</title>
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    <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-39868] Avoid throttling replica set elections</title>
                <link>https://jira.mongodb.org/browse/SERVER-39868</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Determine whether it is possible to isolate lock acquisitions performed by system operations in order to avoid unnecessarily throttling these lock acquisitions. If it is possible, implement these isolations. &lt;br/&gt;
At minimum, this ticket should make sure that throttling of writes doesn&apos;t impact replica set elections and that secondary oplog application writes do not get throttled. The work for this ticket also should include verifying that the &lt;tt&gt;serverStatus&lt;/tt&gt; command is not throttled.&lt;br/&gt;
This ticket should also provide a framework to exclude operations from being throttled. One strategy for implementing this is to add a flag to the &lt;tt&gt;OperationContext&lt;/tt&gt; that represents whether this operation should be throttled. Particular operations that are found to be inappropriate for throttling can set this flag so the mechanism can exclude them.&lt;br/&gt;
A check should be added &lt;a href=&quot;https://github.com/mongodb/mongo/blob/525a71af705a7c1b558f3035a748d3811eecbe5a/src/mongo/db/storage/flow_control.cpp#L141&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; that our replication state is not primary. This handling will avoid throttling operations on secondaries.&lt;/p&gt;</description>
                <environment></environment>
        <key id="705974">SERVER-39868</key>
            <summary>Avoid throttling replica set elections</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="maria.vankeulen@mongodb.com">Maria van Keulen</assignee>
                                    <reporter username="maria.vankeulen@mongodb.com">Maria van Keulen</reporter>
                        <labels>
                    </labels>
                <created>Wed, 27 Feb 2019 18:28:46 +0000</created>
                <updated>Sun, 29 Oct 2023 22:23:28 +0000</updated>
                            <resolved>Thu, 2 May 2019 13:18:48 +0000</resolved>
                                                    <fixVersion>4.1.11</fixVersion>
                                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="2231160" author="xgen-internal-githook" created="Wed, 1 May 2019 21:28:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Maria van Keulen&apos;, &apos;username&apos;: &apos;mvankeulen94&apos;, &apos;email&apos;: &apos;maria@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39868&quot; title=&quot;Avoid throttling replica set elections&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39868&quot;&gt;&lt;del&gt;SERVER-39868&lt;/del&gt;&lt;/a&gt; Avoid throttling replica set elections&lt;/p&gt;

&lt;p&gt;This patch also ensures secondaries are not throttled and provides a&lt;br/&gt;
framework to exclude particular operations from being throttled.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6693d9fc93d2105da44a6abb5a2aa2bb72154eeb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6693d9fc93d2105da44a6abb5a2aa2bb72154eeb&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2199661" author="maria.vankeulen" created="Tue, 2 Apr 2019 19:34:40 +0000"  >&lt;p&gt;This ticket should also test that system operations that we expect should not be throttled by Flow Control are not throttled as expected.&lt;/p&gt;</comment>
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            <issuekey id="687534">SERVER-39494</issuekey>
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            <issuekey id="698839">SERVER-39618</issuekey>
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