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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-74578] getShardVersion command should alert the user in some way if the max bson size was exceeeded</title>
                <link>https://jira.mongodb.org/browse/SERVER-74578</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/s/commands/cluster_get_shard_version_cmd.cpp&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;cluster getShardVersion command&lt;/a&gt; and the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/s/get_shard_version_command.cpp&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;shard getShardVersion command&lt;/a&gt; will append all chunks + all global indexes if fullMetadata is set to true. However, if the list of chunks and indexes exceeds the max bson size, the user could get a partial list or nothing at all.&lt;/p&gt;

&lt;p&gt;In the cluster command, if the list of chunks is going to exceed the max bson size, &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a475d35fb956e2f1b18539b4cb815ea0688812cd/src/mongo/s/commands/cluster_get_shard_version_cmd.cpp#L141-L142&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;we will not return any chunks&lt;/a&gt; whereas for indexes, &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a475d35fb956e2f1b18539b4cb815ea0688812cd/src/mongo/s/commands/cluster_get_shard_version_cmd.cpp#L158&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;we will append a partial list of indexes&lt;/a&gt;. The shard command has &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a475d35fb956e2f1b18539b4cb815ea0688812cd/src/mongo/db/s/get_shard_version_command.cpp#L143-L163&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;the same behavior as the cluster command for indexes&lt;/a&gt; , but &lt;a href=&quot;https://github.com/mongodb/mongo/blob/a475d35fb956e2f1b18539b4cb815ea0688812cd/src/mongo/db/s/get_shard_version_command.cpp#L135-L137&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;doesn&apos;t check the bson size for chunks&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;In the cases where the BSON size is exceeded and we are returning partial or empty responses to the user, we should indicate to the user in some way that the returned metadata is incomplete.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2280395">SERVER-74578</key>
            <summary>getShardVersion command should alert the user in some way if the max bson size was exceeeded</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="allison.easton@mongodb.com">Allison Easton</assignee>
                                    <reporter username="allison.easton@mongodb.com">Allison Easton</reporter>
                        <labels>
                            <label>sharding-wfbf-day</label>
                    </labels>
                <created>Fri, 3 Mar 2023 07:15:07 +0000</created>
                <updated>Sun, 29 Oct 2023 21:25:22 +0000</updated>
                            <resolved>Mon, 17 Apr 2023 08:32:52 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="5351537" author="xgen-internal-githook" created="Mon, 17 Apr 2023 08:31:25 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Allison Easton&apos;, &apos;email&apos;: &apos;allison.easton@mongodb.com&apos;, &apos;username&apos;: &apos;allisoneaston&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-74578&quot; title=&quot;getShardVersion command should alert the user in some way if the max bson size was exceeeded&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-74578&quot;&gt;&lt;del&gt;SERVER-74578&lt;/del&gt;&lt;/a&gt; getShardVersion command should alert the user in some way if the max bson size was exceeeded&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/09d703220ae751ea6005eba492a0a7158dbd8a1d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/09d703220ae751ea6005eba492a0a7158dbd8a1d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5277016" author="allison.easton" created="Thu, 16 Mar 2023 11:07:38 +0000"  >&lt;p&gt;Added some links. In 3/4 cases, we are checking if the BSON we will return is too big, but then are just returning partial or no results if it is. So the user could end up thinking that the metadata is corrupted when really they just had too many chunks or indexes.&lt;/p&gt;</comment>
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