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    <title>MongoDB Jira</title>
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    <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-45980] Reduce scope of full reloads in VersionManager::checkShardVersion to the current operation</title>
                <link>https://jira.mongodb.org/browse/SERVER-45980</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In &lt;tt&gt;checkShardVersion&lt;/tt&gt;, we &lt;a href=&quot;https://github.com/mongodb/mongo/blob/c687c14dfdefc45dea388059b9ca0ace59650532/src/mongo/s/client/version_manager.cpp#L270&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;invalidate the entire collection&apos;s targeting info if the call is authoritative&lt;/a&gt;. This isn&apos;t necessary &amp;#8211; tracing back across renames, it turns out the original intent of this line is simply to &lt;a href=&quot;https://github.com/mongodb/mongo/blame/8125c55a251805899552d0af4776930216223703/src/mongo/s/client/version_manager.cpp#L261&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;refresh and retrieve the catalog cache info&lt;/a&gt;. If we replace this call with a call to &lt;tt&gt;getCollectionRoutingInfoWithRefresh&lt;/tt&gt;, we will still get the refreshed information. &lt;/p&gt;

&lt;p&gt;As-is, this line causes all authoritative calls to &lt;tt&gt;checkShardVersion&lt;/tt&gt; to stall writes to the namespace on the refresh, effectively making the per-shard invalidation efforts in PM-1633 redundant.&lt;/p&gt;

&lt;p&gt;Another call to the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/c687c14dfdefc45dea388059b9ca0ace59650532/src/mongo/s/client/version_manager.cpp#L383&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;same function&lt;/a&gt; down below can be replaced with &lt;tt&gt;getCollectionRoutingInfoWithRefresh&lt;/tt&gt; as well.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1129919">SERVER-45980</key>
            <summary>Reduce scope of full reloads in VersionManager::checkShardVersion to the current operation</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="blake.oler@mongodb.com">Blake Oler</assignee>
                                    <reporter username="blake.oler@mongodb.com">Blake Oler</reporter>
                        <labels>
                    </labels>
                <created>Wed, 5 Feb 2020 01:50:07 +0000</created>
                <updated>Sun, 29 Oct 2023 22:12:31 +0000</updated>
                            <resolved>Thu, 6 Feb 2020 22:05:46 +0000</resolved>
                                                    <fixVersion>4.3.4</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="2791077" author="xgen-internal-githook" created="Thu, 6 Feb 2020 00:54:53 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Blake Oler&apos;, &apos;username&apos;: &apos;BlakeIsBlake&apos;, &apos;email&apos;: &apos;blake.oler@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45980&quot; title=&quot;Reduce scope of full reloads in VersionManager::checkShardVersion to the current operation&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45980&quot;&gt;&lt;del&gt;SERVER-45980&lt;/del&gt;&lt;/a&gt; Restrict scope of full loads to current operation in VersionManager::checkShardVersion()&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/552dd0f1ac0c9bf820de5b56a058fbe212221746&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/552dd0f1ac0c9bf820de5b56a058fbe212221746&lt;/a&gt;&lt;/p&gt;</comment>
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