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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-27580] MapReduce should use dropTarget argument to rename rather than doing the drop itself</title>
                <link>https://jira.mongodb.org/browse/SERVER-27580</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Having renameCollection do the dropping makes it more atomic by doing it in a single WriteUnitOfWork and generating a single oplog entry. Currently, it is possible for the drop to become durable or replicate without the rename. Also it is possible for a secondary reader to see the state between the drop and rename.&lt;/p&gt;

&lt;p&gt;Agg $out already uses dropTarget rather than an explicit drop.&lt;/p&gt;</description>
                <environment></environment>
        <key id="342546">SERVER-27580</key>
            <summary>MapReduce should use dropTarget argument to rename rather than doing the drop itself</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="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="13203">Gone away</resolution>
                                        <assignee username="backlog-server-query">Backlog - Query Team</assignee>
                                    <reporter username="mathias@mongodb.com">Mathias Stearn</reporter>
                        <labels>
                            <label>query-44-grooming</label>
                    </labels>
                <created>Wed, 4 Jan 2017 18:22:42 +0000</created>
                <updated>Fri, 27 Oct 2023 20:44:16 +0000</updated>
                            <resolved>Wed, 18 Nov 2020 21:32:00 +0000</resolved>
                                                                    <component>MapReduce</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="3496633" author="charlie.swanson" created="Wed, 18 Nov 2020 21:32:00 +0000"  >&lt;p&gt;This is no longer applicable now that mapReduce is implemented in terms of $out. I believe $out uses this option, so this is resolved.&lt;/p&gt;</comment>
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