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    <title>MongoDB Jira</title>
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    <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-74473] Abort movePrimary operation on BSONObjectTooLarge error</title>
                <link>https://jira.mongodb.org/browse/SERVER-74473</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The cloning phase of the &lt;tt&gt;movePrimary&lt;/tt&gt; operation &lt;a href=&quot;https://github.com/10gen/mongo/blob/6c9adc9a2d518fa046c7739e043a568f9bee6931/src/mongo/db/s/move_primary_coordinator.cpp#L157-L161&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;writes on the coordinator document&lt;/a&gt; the list of collections belonging to the database to be cloned. This information is serialized to a BSON object (i.e., &lt;tt&gt;collectionsToClone&lt;/tt&gt; filed), and its size could potentially exceed the maximum limit. This would trigger a &lt;tt&gt;BSONObjectTooLarge&lt;/tt&gt; error, that is considered retryable by the resilient cloning procedure of the &lt;tt&gt;movePrimary&lt;/tt&gt;&#160;(see &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-74185&quot; title=&quot;Support for cleanup in Recoverable Sharding DDL Coordinator&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-74185&quot;&gt;&lt;del&gt;SERVER-74185&lt;/del&gt;&lt;/a&gt;).&lt;/p&gt;

&lt;p&gt;The goal of this ticket is to handle this error by causing the operation to fail.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2278216">SERVER-74473</key>
            <summary>Abort movePrimary operation on BSONObjectTooLarge error</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="antonio.fuschetto@mongodb.com">Antonio Fuschetto</assignee>
                                    <reporter username="antonio.fuschetto@mongodb.com">Antonio Fuschetto</reporter>
                        <labels>
                            <label>sharding-wfbf-day</label>
                    </labels>
                <created>Wed, 1 Mar 2023 11:26:40 +0000</created>
                <updated>Mon, 27 Mar 2023 10:35:04 +0000</updated>
                            <resolved>Mon, 27 Mar 2023 10:34:49 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5302027" author="JIRAUSER1259062" created="Mon, 27 Mar 2023 10:34:32 +0000"  >&lt;p&gt;At the present, the cloning phase of the &lt;tt&gt;movePrimary&lt;/tt&gt; command stores the list of collections actually cloned on the coordinator document. That list is then used in the cleaning phase, where the donor shard drops all the local collections (moved to the recipient shard).&lt;/p&gt;

&lt;p&gt;However, in the context of the &lt;em&gt;Online movePrimary&lt;/em&gt; project, the &lt;em&gt;DonorService&lt;/em&gt; POS&#160;takes care of deleting the cloned collection (&lt;tt&gt;kAborted&lt;/tt&gt; state). Refer to the &lt;a href=&quot;https://docs.google.com/document/d/1b8AS_06Lss_H92wm-mZ8aSLGECpyBwU_UlpdGCqNQQU/edit?usp=sharing&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Technical Design&lt;/a&gt; document, specifically to &lt;a href=&quot;https://docs.google.com/document/d/1b8AS_06Lss_H92wm-mZ8aSLGECpyBwU_UlpdGCqNQQU/edit?disco=AAAAtjqkFp8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this comment&lt;/a&gt;.&lt;/p&gt;</comment>
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