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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-49976] Cleanup database cache on shard removal</title>
                <link>https://jira.mongodb.org/browse/SERVER-49976</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;At the moment when looking up a database entry into the catalog cache it is checked if its primary shard still exists, otherwise the database entry is invalidated.&lt;/p&gt;

&lt;p&gt;The aim of this task is to move the execution of this invalidation when the shard is actually removed and not when the entry is accessed. In order to do so, &lt;a href=&quot;https://github.com/mongodb/mongo/blob/c7ac54720b88f97ad016fadd80b73d21dc45f5c2/src/mongo/s/catalog_cache.cpp#L445&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;CatalogCache::invalidateEntriesThatReferenceShard&lt;/a&gt; needs to invalidate also database entries that has that shard as their primary shard.&lt;br/&gt;
 This can be achieved using &lt;a href=&quot;https://github.com/mongodb/mongo/blob/c7ac54720b88f97ad016fadd80b73d21dc45f5c2/src/mongo/util/read_through_cache.h#L351&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;_databaseCache.invalidateIfCachedValue()&lt;/a&gt; function.&lt;/p&gt;

&lt;p&gt;It would be also interesting to see if there is any javascript test that cover this scenario and if there is not to create one.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1423863">SERVER-49976</key>
            <summary>Cleanup database cache on shard removal</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="tommaso.tocci@mongodb.com">Tommaso Tocci</assignee>
                                    <reporter username="tommaso.tocci@mongodb.com">Tommaso Tocci</reporter>
                        <labels>
                            <label>PM-1645-Milestone-2</label>
                    </labels>
                <created>Wed, 29 Jul 2020 12:39:39 +0000</created>
                <updated>Sun, 29 Oct 2023 22:05:03 +0000</updated>
                            <resolved>Wed, 5 Aug 2020 09:11:18 +0000</resolved>
                                                    <fixVersion>4.7.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3319123" author="xgen-internal-githook" created="Tue, 4 Aug 2020 11:11:18 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Tommaso Tocci&apos;, &apos;email&apos;: &apos;tommaso.tocci@mongodb.com&apos;, &apos;username&apos;: &apos;toto-dev&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49976&quot; title=&quot;Cleanup database cache on shard removal&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49976&quot;&gt;&lt;del&gt;SERVER-49976&lt;/del&gt;&lt;/a&gt; Cleanup database cache on shard removal&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1f0fbdcc0da395e1afc0554e398c5a4c83c72539&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1f0fbdcc0da395e1afc0554e398c5a4c83c72539&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1384786">SERVER-48992</issuekey>
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            <issuelink>
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