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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-60923] Clear cached database information asyncronously after dropping it  </title>
                <link>https://jira.mongodb.org/browse/SERVER-60923</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently as part of the drop database coordinator flow, we broadcast &lt;a href=&quot;https://github.com/mongodb/mongo/blob/73d9915e678306c357c9bdfa3e3fd949face360f/src/mongo/db/s/drop_database_coordinator.cpp#L321-L336&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;_flushDatabaseCacheUpdates&#160; command with majority write concern to all shards and we wait synchronously for its execution&lt;/a&gt;. &lt;br/&gt;
The only purpose of this call is to flush the cached entries of the dropped database from all the nodes in the cluster to reclaim memory. So it is not strictly required.&lt;br/&gt;
For this reason I think we should:&lt;br/&gt;
&#160;- stop using the majority write concern&lt;br/&gt;
&#160;- use &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b2b383c65bb200b44550eba6b988525d533e8b09/src/mongo/s/client/shard.h#L192-L200&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;fireAndForget&lt;/a&gt; to asynchronously schedule the command execution on all the shards and not block this coordinator.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1906361">SERVER-60923</key>
            <summary>Clear cached database information asyncronously after dropping it  </summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="13202">Works as Designed</resolution>
                                        <assignee username="allison.easton@mongodb.com">Allison Easton</assignee>
                                    <reporter username="tommaso.tocci@mongodb.com">Tommaso Tocci</reporter>
                        <labels>
                    </labels>
                <created>Fri, 22 Oct 2021 08:57:41 +0000</created>
                <updated>Fri, 27 Oct 2023 13:52:13 +0000</updated>
                            <resolved>Fri, 22 Oct 2021 11:05:12 +0000</resolved>
                                    <version>5.0.3</version>
                    <version>5.1.0-rc1</version>
                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="4141544" author="tommaso.tocci" created="Fri, 22 Oct 2021 11:04:51 +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; mentioned that this approach would potentially leave garbage entries in config.cache.databases. Even though this wouldn&apos;t be a correctness issue we decided that the dropDatabase should ensure no garbage is left behind even if this would result in a slower operation.&lt;br/&gt;
Thus I&apos;m closing this ticket.&lt;/p&gt;</comment>
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