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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>
    <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-54474] Introduce the _flushReshardingStateChange command</title>
                <link>https://jira.mongodb.org/browse/SERVER-54474</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;b&gt;command&lt;/b&gt;: _flushReshardingStateChanges(nss for shard to refresh on)&lt;/p&gt;

&lt;p&gt;&lt;b&gt;context:&lt;/b&gt;&lt;br/&gt;
 In resharding, _flushRoutingTableCacheUpdatesWithWriteConcern is not safe to call when in the critical section.&#160;&lt;br/&gt;
 &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-53258&quot; title=&quot;[Resharding] Reject writes in opObserver when disallowWritesForResharding is true&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-53258&quot;&gt;&lt;del&gt;SERVER-53258&lt;/del&gt;&lt;/a&gt;&#160;introduces the&#160;_shardsvrFinishReshardCollection for when the coordinator persists its decision in the success case.&lt;/p&gt;

&lt;p&gt;However, when the coordinator errors, it is possible that the error will occur while the critical section is engaged.&#160;&lt;/p&gt;

&lt;p&gt;This command should combine the logic for&#160;_shardsvrFinishReshardCollection and _flushRoutingTableCache++UpdatesWithWriteConcern so it is safe to call regardless of whether the shard refreshing is in the critical section.&lt;/p&gt;

&lt;p&gt; &lt;b&gt;logic inside command&lt;/b&gt;&lt;br/&gt;
if (critical section is held)&lt;/p&gt;

{ // ... do _shardsvrFinishReshardCollection behavior }

&lt;p&gt;else&lt;/p&gt;

{ // ... do _flushRoutingTableCacheUpdates behavior }

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1620808">SERVER-54474</key>
            <summary>Introduce the _flushReshardingStateChange command</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="janna.golden@mongodb.com">Janna Golden</assignee>
                                    <reporter username="haley.connelly@mongodb.com">Haley Connelly</reporter>
                        <labels>
                            <label>PM-234-M3</label>
                            <label>PM-234-T-lifecycle</label>
                    </labels>
                <created>Thu, 11 Feb 2021 18:32:00 +0000</created>
                <updated>Sun, 29 Oct 2023 21:57:39 +0000</updated>
                            <resolved>Tue, 23 Mar 2021 19:11:52 +0000</resolved>
                                                    <fixVersion>5.0.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3690853" author="max.hirschhorn@10gen.com" created="Tue, 30 Mar 2021 11:32:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;jannaerin&apos;, &apos;email&apos;: &apos;golden.janna@gmail.com&apos;, &apos;username&apos;: &apos;jannaerin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54474&quot; title=&quot;Introduce the _flushReshardingStateChange command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54474&quot;&gt;&lt;del&gt;SERVER-54474&lt;/del&gt;&lt;/a&gt; Introduce the _flushReshardingStateChange command&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e2fd2c731ce8a1cd5cf5cf3a43da8b7fdf81ac22&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e2fd2c731ce8a1cd5cf5cf3a43da8b7fdf81ac22&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10020">
                    <name>Gantt Dependency</name>
                                            <outwardlinks description="has to be done before">
                                        <issuelink>
            <issuekey id="1644955">SERVER-55100</issuekey>
        </issuelink>
                            </outwardlinks>
                                                        </issuelinktype>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="1672465">SERVER-55852</issuekey>
        </issuelink>
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