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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
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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-78615] Poor view drop performance leads to replication lag</title>
                <link>https://jira.mongodb.org/browse/SERVER-78615</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://github.com/10gen/mongo/blob/v6.1/src/mongo/db/op_observer/op_observer_impl.cpp#L1122C2-L1123&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;A replica secondary node will reload the whole view catalog every time there is a view deletion&lt;/a&gt;, under an &lt;a href=&quot;https://github.com/10gen/mongo/blob/v6.1/src/mongo/db/views/durable_view_catalog.cpp#L123-L124&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;exclusive lock on the database&apos;s views collection&lt;/a&gt;. It was previously decided to accept the poor performance because it was thought unreasonable that users would create/drop views so quickly and continuously. However, now we have a user case encountering poor performance.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2382588">SERVER-78615</key>
            <summary>Poor view drop performance leads to replication lag</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="13201">Fixed</resolution>
                                        <assignee username="david.dominguez@mongodb.com">David Dominguez Sal</assignee>
                                    <reporter username="dianna.hohensee@mongodb.com">Dianna Hohensee</reporter>
                        <labels>
                    </labels>
                <created>Mon, 3 Jul 2023 14:41:42 +0000</created>
                <updated>Fri, 26 Jan 2024 18:05:00 +0000</updated>
                            <resolved>Wed, 13 Dec 2023 09:21:38 +0000</resolved>
                                    <version>6.0.6</version>
                                    <fixVersion>7.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5947031" author="xgen-internal-githook" created="Wed, 13 Dec 2023 10:17:04 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;David Dominguez-Sal&apos;, &apos;email&apos;: &apos;david.dominguez@mongodb.com&apos;, &apos;username&apos;: &apos;david-dominguez-sal&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78615&quot; title=&quot;Poor view drop performance leads to replication lag&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78615&quot;&gt;&lt;del&gt;SERVER-78615&lt;/del&gt;&lt;/a&gt;: Update fallback_observer to update the dropped view from the catalog, instead of reconstructing all views&lt;/p&gt;

&lt;p&gt;GitOrigin-RevId: eb12c11bc4c2584f010e7bceebd8f9d502777c09&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8ba916778b6789c16e6e693eea123daef7f2e601&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8ba916778b6789c16e6e693eea123daef7f2e601&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2506294">SERVER-83496</issuekey>
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            <issuekey id="1593634">SERVER-53870</issuekey>
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