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    <description>This file is an XML representation of an issue</description>
    <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-32202] Do not clear the cached sharding filtering information on replication state changes</title>
                <link>https://jira.mongodb.org/browse/SERVER-32202</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Prior to version 3.6, the shard secondaries did not support filtering based on the active chunk metadata and were required to not have any filtering metadata cached. Because of this on every replication state change we were clearing it &quot;just in case&quot; - &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a36bc9925fdb5e9b3e146870b081074708e7aba5/src/mongo/db/repl/replication_coordinator_external_state_impl.cpp#L761&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;step up&lt;/a&gt; / &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a36bc9925fdb5e9b3e146870b081074708e7aba5/src/mongo/db/repl/replication_coordinator_external_state_impl.cpp#L666&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;step down&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;With support for filtering in 3.6 this is no longer necessary and it also has negative performance impact due to the need to fetch the full metadata, so we should get rid of it.&lt;/p&gt;</description>
                <environment></environment>
        <key id="469247">SERVER-32202</key>
            <summary>Do not clear the cached sharding filtering information on replication state changes</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="kaloian.manassiev@mongodb.com">Kaloian Manassiev</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Thu, 7 Dec 2017 15:21:27 +0000</created>
                <updated>Mon, 30 Oct 2023 23:10:08 +0000</updated>
                            <resolved>Tue, 12 Dec 2017 22:42:26 +0000</resolved>
                                    <version>3.6.0</version>
                                    <fixVersion>3.6.2</fixVersion>
                    <fixVersion>3.7.1</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1760932" author="xgen-internal-githook" created="Thu, 28 Dec 2017 18:30:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;kaloianm&apos;, &apos;email&apos;: &apos;kaloian.manassiev@mongodb.com&apos;, &apos;name&apos;: &apos;Kaloian Manassiev&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32202&quot; title=&quot;Do not clear the cached sharding filtering information on replication state changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32202&quot;&gt;&lt;del&gt;SERVER-32202&lt;/del&gt;&lt;/a&gt; Do not clear the cached sharding filtering information on replication state changes&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 915bcc9ee3a396c857370fa6379408cb15e87a3e)&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9483f715e824c9fcd4caae3a5c7d9d7fc598bc7e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9483f715e824c9fcd4caae3a5c7d9d7fc598bc7e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1750345" author="xgen-internal-githook" created="Tue, 12 Dec 2017 22:41:46 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Kaloian Manassiev&apos;, &apos;email&apos;: &apos;kaloian.manassiev@mongodb.com&apos;, &apos;username&apos;: &apos;kaloianm&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32202&quot; title=&quot;Do not clear the cached sharding filtering information on replication state changes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32202&quot;&gt;&lt;del&gt;SERVER-32202&lt;/del&gt;&lt;/a&gt; Do not clear the cached sharding filtering information on replication state changes&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/915bcc9ee3a396c857370fa6379408cb15e87a3e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/915bcc9ee3a396c857370fa6379408cb15e87a3e&lt;/a&gt;&lt;/p&gt;</comment>
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