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    <title>MongoDB Jira</title>
    <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-47436] Make shards validate shardKey in dataSize command</title>
                <link>https://jira.mongodb.org/browse/SERVER-47436</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, the dataSize command can fail with &lt;a href=&quot;https://github.com/mongodb/mongo/blob/7d99356126fb3e921370c24c0a61499513bc78b6/src/mongo/s/commands/cluster_data_size_cmd.cpp#L86&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;BadValue error&lt;/a&gt; due to shard key validation if it is run on a stale mongos after the collection is resharded with a different shard key. This is because the mongos validates the command&apos;s keyPattern with its stale ChunkManager before &lt;a href=&quot;https://github.com/mongodb/mongo/blob/7d99356126fb3e921370c24c0a61499513bc78b6/src/mongo/s/commands/cluster_data_size_cmd.cpp#L104&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;sending requests to shards&lt;/a&gt;. Since the command fails with BadValue, nothing causes the mongos to refresh so the command continues to fail after that.&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;To resolve this, we should make each shard validate &quot;shardKey&quot;, &quot;min&quot; and &quot;max&quot; by itself. That way, if the mongos is stale, the dataSize command would fail with StaleConfig (instead of BadValue) in the initial try. This error would cause the stale mongos to refresh and the command to succeed when the mongos retries .&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1309659">SERVER-47436</key>
            <summary>Make shards validate shardKey in dataSize command</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="cheahuychou.mao@mongodb.com">Cheahuychou Mao</assignee>
                                    <reporter username="cheahuychou.mao@mongodb.com">Cheahuychou Mao</reporter>
                        <labels>
                    </labels>
                <created>Thu, 9 Apr 2020 14:48:02 +0000</created>
                <updated>Sun, 29 Oct 2023 22:09:44 +0000</updated>
                            <resolved>Tue, 14 Apr 2020 02:33:38 +0000</resolved>
                                                    <fixVersion>4.2.6</fixVersion>
                    <fixVersion>4.0.19</fixVersion>
                    <fixVersion>4.4.0-rc2</fixVersion>
                    <fixVersion>4.7.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="3039115" author="xgen-internal-githook" created="Tue, 14 Apr 2020 16:35:55 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-47436&quot; title=&quot;Make shards validate shardKey in dataSize command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-47436&quot;&gt;&lt;del&gt;SERVER-47436&lt;/del&gt;&lt;/a&gt; Add requires_fcv_44 to mongos_dataSize.js&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ac237fc725e9ea3d9ec86ec49687506eab4d777d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ac237fc725e9ea3d9ec86ec49687506eab4d777d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3039062" author="xgen-internal-githook" created="Tue, 14 Apr 2020 16:12:55 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-47436&quot; title=&quot;Make shards validate shardKey in dataSize command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-47436&quot;&gt;&lt;del&gt;SERVER-47436&lt;/del&gt;&lt;/a&gt; Make shards validate shardKey in dataSize command&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 59e005fea0e1ca575083ded8c02c518048fb8af0)&lt;br/&gt;
(cherry picked from commit 20364840b8f1af16917e4c23c1b5f5efd8b352f8)&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2c23d00111f3f48c4e205da86b424987e3bc2b3b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2c23d00111f3f48c4e205da86b424987e3bc2b3b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3038889" author="xgen-internal-githook" created="Tue, 14 Apr 2020 15:05:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-47436&quot; title=&quot;Make shards validate shardKey in dataSize command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-47436&quot;&gt;&lt;del&gt;SERVER-47436&lt;/del&gt;&lt;/a&gt; Make shards validate shardKey in dataSize command&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 59e005fea0e1ca575083ded8c02c518048fb8af0)&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/20364840b8f1af16917e4c23c1b5f5efd8b352f8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/20364840b8f1af16917e4c23c1b5f5efd8b352f8&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3038764" author="xgen-internal-githook" created="Tue, 14 Apr 2020 14:28:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-47436&quot; title=&quot;Make shards validate shardKey in dataSize command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-47436&quot;&gt;&lt;del&gt;SERVER-47436&lt;/del&gt;&lt;/a&gt; Make shards validate shardKey in dataSize command&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 59e005fea0e1ca575083ded8c02c518048fb8af0)&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1dd9047b77203ba0ae6437604343c1e73d07636e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1dd9047b77203ba0ae6437604343c1e73d07636e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3038127" author="xgen-internal-githook" created="Tue, 14 Apr 2020 02:32:59 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-47436&quot; title=&quot;Make shards validate shardKey in dataSize command&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-47436&quot;&gt;&lt;del&gt;SERVER-47436&lt;/del&gt;&lt;/a&gt; Make shards validate shardKey in dataSize command&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/59e005fea0e1ca575083ded8c02c518048fb8af0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/59e005fea0e1ca575083ded8c02c518048fb8af0&lt;/a&gt;&lt;/p&gt;</comment>
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