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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-49009] SetShardVersion must not call forceShardFilteringMetadataRefresh</title>
                <link>https://jira.mongodb.org/browse/SERVER-49009</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;On &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48883&quot; title=&quot;Range deletion recovery can invalidate migration recovery on step up&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48883&quot;&gt;&lt;del&gt;SERVER-48883&lt;/del&gt;&lt;/a&gt; &lt;a href=&quot;https://github.com/mongodb/mongo/commit/5ad9593661aacb7cea228c78723e93c61031b67f#diff-46a0163ee8e4aeb67d2a4013c7eaa1e9R907&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;an invariant&lt;/a&gt; was added into the migration recovery to detect if any other operation could race while refreshing the shard version.&lt;/p&gt;

&lt;p&gt;The following incorrect behavior has been found: with &lt;b&gt;mongos version 4.4&lt;/b&gt; and shards &lt;b&gt;mongod version master&lt;/b&gt;, a stale shard version error triggers a &lt;a href=&quot;https://github.com/mongodb/mongo/blob/187fde098980d2735e4150833d8a515c4c7d1545/src/mongo/s/client/version_manager.cpp#L377&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;set shard version request&lt;/a&gt; on the shard&apos;s primary forcing a &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2781b23dda1287f920a9ce4f5f269b2a98c34f46/src/mongo/db/s/set_shard_version_command.cpp#L246&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;forceShardFilteringMetadataRefresh&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;A solution can be calling &lt;b&gt;onShardVersionMismatch&lt;/b&gt; in order to wait for an eventual recovery/refresh.&lt;/p&gt;


&lt;p&gt;Not happening with &lt;b&gt;mongos master&lt;/b&gt; because the version manager has been deleted in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-47426&quot; title=&quot;Remove legacy Sharding code (ParallelSortClusteredCursor/VersionManager/ShardConnection/ShardedConnectionInfo)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-47426&quot;&gt;&lt;del&gt;SERVER-47426&lt;/del&gt;&lt;/a&gt; (&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5f9a708cfec908d51327236d7db3be035fac0062&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;commit&lt;/a&gt;).&lt;/p&gt;</description>
                <environment></environment>
        <key id="1385938">SERVER-49009</key>
            <summary>SetShardVersion must not call forceShardFilteringMetadataRefresh</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="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</assignee>
                                    <reporter username="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</reporter>
                        <labels>
                            <label>PM-1645-Milestone-1</label>
                    </labels>
                <created>Mon, 22 Jun 2020 16:29:40 +0000</created>
                <updated>Sun, 29 Oct 2023 22:06:41 +0000</updated>
                            <resolved>Sat, 27 Jun 2020 13:18:31 +0000</resolved>
                                                    <fixVersion>4.7.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="3227204" author="xgen-internal-githook" created="Sat, 27 Jun 2020 13:11:48 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Pierlauro Sciarelli&apos;, &apos;email&apos;: &apos;pierlauro.sciarelli@mongodb.com&apos;, &apos;username&apos;: &apos;pierlauro&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-49009&quot; title=&quot;SetShardVersion must not call forceShardFilteringMetadataRefresh&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-49009&quot;&gt;&lt;del&gt;SERVER-49009&lt;/del&gt;&lt;/a&gt; SetShardVersion must not call forceShardFilteringMetadataRefresh&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e2aa2d700f7463e4b9097f7707dbe9ccfee44a00&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e2aa2d700f7463e4b9097f7707dbe9ccfee44a00&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3218919" author="kaloian.manassiev" created="Tue, 23 Jun 2020 07:49:16 +0000"  >&lt;p&gt;For Step 3 - how does the index creation operation manage to refresh the shardVersion, given that it should be &lt;a href=&quot;https://github.com/mongodb/mongo/blob/5edffc61e61b004811d7cde7728d9908aff4acc5/src/mongo/db/s/shard_filtering_metadata_refresh.cpp#L193&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;joining the recovery&lt;/a&gt;? By this logic nothing would work, like Esha mentions above. I didn&apos;t find a direct call to &lt;tt&gt;forceShardFilteringMetadata&lt;/tt&gt; refresh on the index build code path either.&lt;/p&gt;</comment>
                            <comment id="3218028" author="esha.maharishi@10gen.com" created="Mon, 22 Jun 2020 17:53:49 +0000"  >&lt;p&gt;Note that any versioned request can cause this race, not just createIndexes &lt;img class=&quot;emoticon&quot; src=&quot;https://jira.mongodb.org/images/icons/emoticons/smile.png&quot; height=&quot;16&quot; width=&quot;16&quot; align=&quot;absmiddle&quot; alt=&quot;&quot; border=&quot;0&quot;/&gt;&lt;/p&gt;</comment>
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