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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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            <title>[SERVER-19662] Assert that mongod never refreshes the sharding metadata under a lock</title>
                <link>https://jira.mongodb.org/browse/SERVER-19662</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This ticket is to add invariants in the places where we refresh sharding metadata, in order to ensure we never do that under a lock. Holding a lock during network operations is undesirable, because it may delay step down, which needs a global X lock.&lt;/p&gt;</description>
                <environment></environment>
        <key id="223375">SERVER-19662</key>
            <summary>Assert that mongod never refreshes the sharding metadata under a lock</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="9">Done</resolution>
                                        <assignee username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Thu, 30 Jul 2015 11:55:17 +0000</created>
                <updated>Thu, 14 Apr 2016 15:29:42 +0000</updated>
                            <resolved>Thu, 17 Mar 2016 12:35:38 +0000</resolved>
                                                    <fixVersion>3.3.4</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1206530" author="kaloian.manassiev" created="Thu, 17 Mar 2016 12:35:38 +0000"  >&lt;p&gt;Fixed by &lt;a href=&quot;https://github.com/mongodb/mongo/commit/ee5fbdd8540d93d2e0d6fa19ba9a5595bb1829cb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ee5fbdd8540d93d2e0d6fa19ba9a5595bb1829cb&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1134992" author="kaloian.manassiev" created="Thu, 14 Jan 2016 16:20:28 +0000"  >&lt;p&gt;This is not related to rolling CSRS upgrade. Just a nice to have validation that long-running network calls do not make a replica set primary unusable because they are holding the global lock.&lt;/p&gt;</comment>
                            <comment id="1134979" author="spencer" created="Thu, 14 Jan 2016 16:14:46 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kaloian.manassiev&quot; class=&quot;user-hover&quot; rel=&quot;kaloian.manassiev&quot;&gt;kaloian.manassiev&lt;/a&gt;, is this actually related to rolling CSRS upgrade, or is this just something that would always have been a good idea that we were hoping to get done now?&lt;/p&gt;</comment>
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