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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-37742] Avoid unnecessary shard version metadata refreshes</title>
                <link>https://jira.mongodb.org/browse/SERVER-37742</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We&apos;re missing a `return Status::OK()` &lt;a href=&quot;https://github.com/mongodb/mongo/blob/83f9e4f24a7ad3172d082f733d65b4e7f1295b2f/src/mongo/db/s/shard_filtering_metadata_refresh.cpp#L90&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt; that leads us to do refreshes even when we could be short-circuiting early.&lt;/p&gt;</description>
                <environment></environment>
        <key id="623680">SERVER-37742</key>
            <summary>Avoid unnecessary shard version metadata refreshes</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="natalie.tsvetkova@mongodb.com">Natalie Tsvetkova</assignee>
                                    <reporter username="matthew.saltz@mongodb.com">Matthew Saltz</reporter>
                        <labels>
                            <label>sharding-wfbf-day</label>
                    </labels>
                <created>Wed, 24 Oct 2018 19:50:24 +0000</created>
                <updated>Sun, 29 Oct 2023 22:27:12 +0000</updated>
                            <resolved>Mon, 5 Nov 2018 21:55:06 +0000</resolved>
                                                    <fixVersion>4.1.5</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="2052533" author="xgen-internal-githook" created="Mon, 5 Nov 2018 21:52:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Natalie Tsvetkova&apos;, &apos;email&apos;: &apos;natalie.tsvetkova@mongodb.com&apos;, &apos;username&apos;: &apos;ntsvetko&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-37742&quot; title=&quot;Avoid unnecessary shard version metadata refreshes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-37742&quot;&gt;&lt;del&gt;SERVER-37742&lt;/del&gt;&lt;/a&gt;: Avoid unnecessary shard version metadata refreshes&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/764386e681e65d4432c0deb203044df70a0820f2&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/764386e681e65d4432c0deb203044df70a0820f2&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2047145" author="kaloian.manassiev" created="Wed, 31 Oct 2018 07:53:17 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=ramon.fernandez&quot; class=&quot;user-hover&quot; rel=&quot;ramon.fernandez&quot;&gt;ramon.fernandez&lt;/a&gt;, no this is a much more benign check which short-cuts refreshing if the router has a staler version knowledge than the shard and is already &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r4.0.3/src/mongo/db/s/shard_filtering_metadata_refresh.cpp#L87&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;like that on 4.0&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="2041615" author="kaloian.manassiev" created="Thu, 25 Oct 2018 09:58:23 +0000"  >&lt;p&gt;Good catch - looks like it came from &lt;a href=&quot;https://github.com/mongodb/mongo/commit/2aede7ad2fce2616e4140f2ae398e4e570c84703&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this commit&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Since it&apos;s a one line change to add a return - can you do it? It will take less time than us having to triage it in the meeting. See also if it needs to be fixed in 4.0.&lt;/p&gt;</comment>
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