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    <link>https://jira.mongodb.org</link>
    <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-58747] The ShardServerCatalogCacheLoader doesn&apos;t interrupt ongoing operations on step up </title>
                <link>https://jira.mongodb.org/browse/SERVER-58747</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The&#160;&lt;tt&gt;ShardServerCatalogCacheLoader&lt;/tt&gt; &lt;a href=&quot;https://github.com/mongodb/mongo/blob/bd072589dc9b4c9bbf7b562bf3dcc7c1666234b8/src/mongo/db/s/shard_server_catalog_cache_loader.cpp#L433-L438&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;doesn&apos;t interrupt ongoing operations on step up&lt;/a&gt; as opposed to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/bd072589dc9b4c9bbf7b562bf3dcc7c1666234b8/src/mongo/db/s/shard_server_catalog_cache_loader.cpp#L425-L431&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;on step down&lt;/a&gt;. This could lead us to a deadlock (with timeout): if a node is a &lt;a href=&quot;https://github.com/mongodb/mongo/blob/bd072589dc9b4c9bbf7b562bf3dcc7c1666234b8/src/mongo/db/s/shard_server_catalog_cache_loader.cpp#L467-L472&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;secondary node at this point&lt;/a&gt; but afterwards it is elected as primary, it might end up issuing a &lt;tt&gt;_flushRoutingTableCacheUpdates&lt;/tt&gt; against itself. This could lead us to a deadlock if the current refresh was coming from the &lt;tt&gt;RecoverRefreshThread&lt;/tt&gt;: the issued &lt;tt&gt;_flushRoutingTableCacheUpdates&lt;/tt&gt; comand will end up  waiting until the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/cd16c8abae3e6afc7bd4a8257a4359df5b4fdd64/src/mongo/db/s/shard_filtering_metadata_refresh.cpp#L238&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;current refresh is completed&lt;/a&gt; but the current refresh cannot be completed because it is waiting for the completion of the &lt;tt&gt;_flushRoutingTableCacheUpdates&lt;/tt&gt; command.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1828103">SERVER-58747</key>
            <summary>The ShardServerCatalogCacheLoader doesn&apos;t interrupt ongoing operations on step up </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="sergi.mateo-bellido@mongodb.com">Sergi Mateo Bellido</assignee>
                                    <reporter username="sergi.mateo-bellido@mongodb.com">Sergi Mateo Bellido</reporter>
                        <labels>
                            <label>SSCCL-BUG</label>
                    </labels>
                <created>Thu, 22 Jul 2021 06:35:11 +0000</created>
                <updated>Sun, 29 Oct 2023 21:50:34 +0000</updated>
                            <resolved>Fri, 23 Jul 2021 10:57:08 +0000</resolved>
                                                    <fixVersion>5.0.2</fixVersion>
                    <fixVersion>5.1.0-rc0</fixVersion>
                    <fixVersion>4.4.16</fixVersion>
                    <fixVersion>4.2.22</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4701702" author="xgen-internal-githook" created="Mon, 25 Jul 2022 13:32:49 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Sergi Mateo Bellido&apos;, &apos;email&apos;: &apos;sergi.mateo-bellido@mongodb.com&apos;, &apos;username&apos;: &apos;smateo&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58747&quot; title=&quot;The ShardServerCatalogCacheLoader doesn&amp;#39;t interrupt ongoing operations on step up &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58747&quot;&gt;&lt;del&gt;SERVER-58747&lt;/del&gt;&lt;/a&gt; The ShardServerCatalogCacheLoader doesn&apos;t interrupt ongoing operations on step up&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 7a8df38d284e16a60884569a90ddfa07586d9ec0)&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4b16e0d00a54e18f7b6bcb2a999ebee6c1e49ea5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4b16e0d00a54e18f7b6bcb2a999ebee6c1e49ea5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4701688" author="xgen-internal-githook" created="Mon, 25 Jul 2022 13:27:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Sergi Mateo Bellido&apos;, &apos;email&apos;: &apos;sergi.mateo-bellido@mongodb.com&apos;, &apos;username&apos;: &apos;smateo&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58747&quot; title=&quot;The ShardServerCatalogCacheLoader doesn&amp;#39;t interrupt ongoing operations on step up &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58747&quot;&gt;&lt;del&gt;SERVER-58747&lt;/del&gt;&lt;/a&gt; The ShardServerCatalogCacheLoader doesn&apos;t interrupt ongoing operations on step up&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 7a8df38d284e16a60884569a90ddfa07586d9ec0)&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d028683784ae1377501d9b92f28c1be91f103af5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d028683784ae1377501d9b92f28c1be91f103af5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4107261" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:21:45 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="3959307" author="xgen-internal-githook" created="Fri, 23 Jul 2021 09:38:21 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Sergi Mateo Bellido&apos;, &apos;email&apos;: &apos;sergi.mateo-bellido@mongodb.com&apos;, &apos;username&apos;: &apos;smateo&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58747&quot; title=&quot;The ShardServerCatalogCacheLoader doesn&amp;#39;t interrupt ongoing operations on step up &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58747&quot;&gt;&lt;del&gt;SERVER-58747&lt;/del&gt;&lt;/a&gt; The ShardServerCatalogCacheLoader doesn&apos;t interrupt ongoing operations on step up&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 7a8df38d284e16a60884569a90ddfa07586d9ec0)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8c70142f2123724d6dc5042e7a0e1937597a6f76&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8c70142f2123724d6dc5042e7a0e1937597a6f76&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3959204" author="xgen-internal-githook" created="Fri, 23 Jul 2021 07:55:18 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Sergi Mateo Bellido&apos;, &apos;email&apos;: &apos;sergi.mateo-bellido@mongodb.com&apos;, &apos;username&apos;: &apos;smateo&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58747&quot; title=&quot;The ShardServerCatalogCacheLoader doesn&amp;#39;t interrupt ongoing operations on step up &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58747&quot;&gt;&lt;del&gt;SERVER-58747&lt;/del&gt;&lt;/a&gt; The ShardServerCatalogCacheLoader doesn&apos;t interrupt ongoing operations on step up&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7a8df38d284e16a60884569a90ddfa07586d9ec0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7a8df38d284e16a60884569a90ddfa07586d9ec0&lt;/a&gt;&lt;/p&gt;</comment>
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