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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>
    </build-info>


<item>
            <title>[SERVER-12305] Allow command request and response BSON objects to exceed 16MB</title>
                <link>https://jira.mongodb.org/browse/SERVER-12305</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This is due to limitations in both the shell and command processing. This could be useful for things like allowing large write batches or allowing users to compute result documents larger than 16MB using the aggregation framework.&lt;/p&gt;

&lt;p&gt;The correct fix here is probably to remove the generic BSONObj limit entirely, and only enforce the limit when serializing to disk (16MB) or the network (48MB).  &lt;/p&gt;</description>
                <environment></environment>
        <key id="105325">SERVER-12305</key>
            <summary>Allow command request and response BSON objects to exceed 16MB</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-execution">Backlog - Query Execution</assignee>
                                    <reporter username="greg_10gen">Greg Studer</reporter>
                        <labels>
                            <label>asya</label>
                            <label>needs-scope</label>
                            <label>query-44-grooming</label>
                    </labels>
                <created>Thu, 9 Jan 2014 15:29:31 +0000</created>
                <updated>Tue, 6 Dec 2022 05:13:15 +0000</updated>
                                                                            <component>Write Ops</component>
                                        <votes>12</votes>
                                    <watches>22</watches>
                                                                                                                <comments>
                            <comment id="1888250" author="asya" created="Thu, 10 May 2018 16:29:45 +0000"  >&lt;p&gt;Another use case - returning a large result to client in response to a command that gathers responses from many shards (in cases where it&apos;s not feasible to to return them as a cursor, example: explain on large sharded cluster with one of the more verbose options).&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="508556" author="jesse" created="Mon, 3 Mar 2014 22:44:22 +0000"  >&lt;p&gt;Another example: Inserting a nearly-16MB document with the shell&apos;s Bulk API succeeds with w: 1, but fails with a 100-character-long getLastErrorMode name:&lt;/p&gt;

&lt;p&gt;Error: Converting from JavaScript to BSON failed: Object size 16777334 exceeds limit of 16777216 bytes.&lt;/p&gt;</comment>
                            <comment id="508541" author="andreas.nilsson@10gen.com" created="Mon, 3 Mar 2014 22:35:04 +0000"  >&lt;p&gt;This is a more general problem than write commands.&lt;/p&gt;

&lt;p&gt;Running the following command with a &amp;gt; 16MB length bigString&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;db.createRole({role:bigString,roles:[],privileges:[]});&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;gives the following error:&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;Error: Converting from JavaScript to BSON failed: Object size 16777284 exceeds limit of 16777216 bytes. at src/mongo/shell/query.js:81&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;

&lt;p&gt;Allthough the command would fail on the server it fails in the shell for the &quot;wrong&quot; reasons.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10011">
                    <name>Depends</name>
                                                                <inwardlinks description="is depended on by">
                                        <issuelink>
            <issuekey id="143940">DRIVERS-170</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10010">
                    <name>Duplicate</name>
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                                        <issuelink>
            <issuekey id="331509">SERVER-27013</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="371430">SERVER-28647</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10012">
                    <name>Related</name>
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                                        <issuelink>
            <issuekey id="109496">SERVER-12598</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="191400">CDRIVER-589</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="104977">SERVER-12275</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="39662">SERVER-5937</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="39565">SERVER-5923</issuekey>
        </issuelink>
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                <attachments>
                            <attachment id="38791" name="big-glemode.js" size="1188" author="jesse@mongodb.com" created="Mon, 3 Mar 2014 22:44:22 +0000"/>
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