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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-65016] Remove range deletions as part of `dropCollection`</title>
                <link>https://jira.mongodb.org/browse/SERVER-65016</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When a sharded collection is dropped, the range-deleter is &lt;a href=&quot;https://github.com/mongodb/mongo/blob/cb9550a01ec90a42108894ab1ed60a37f5238c89/src/mongo/db/s/range_deletion_util.cpp#L87-L116&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;lazily discovering&lt;/a&gt; that some range deletions may refer an older incarnation of such collection (dropped or dropped and recreated).&lt;/p&gt;

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

&lt;p&gt;While de-queueing already scheduled range deletion tasks that may not be trivial, a simple optimization could be to delete persistent range deletion task documents so that:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;On step-up, &quot;stale&quot; range deletion tasks are not getting scheduled&lt;/li&gt;
	&lt;li&gt;Users and technical services don&apos;t get fooled by the presence of wrong range deletion tasks&lt;/li&gt;
	&lt;li&gt;It would be consistent with rename that already drops &quot;stale&quot; range deletion tasks both for source and target collection&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;This change is safe because the range-releter is already&#160;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/cb9550a01ec90a42108894ab1ed60a37f5238c89/src/mongo/db/s/range_deletion_util.cpp#L595-L603&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;handling the absence of a document&lt;/a&gt; for a scheduled range deletion.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2011065">SERVER-65016</key>
            <summary>Remove range deletions as part of `dropCollection`</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="13201">Fixed</resolution>
                                        <assignee username="silvia.surroca@mongodb.com">Silvia Surroca</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                    </labels>
                <created>Tue, 29 Mar 2022 09:51:28 +0000</created>
                <updated>Sun, 29 Oct 2023 21:40:25 +0000</updated>
                            <resolved>Fri, 23 Sep 2022 10:39:25 +0000</resolved>
                                                    <fixVersion>6.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4858429" author="xgen-internal-githook" created="Tue, 27 Sep 2022 14:17:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Silvia Surroca&apos;, &apos;email&apos;: &apos;silvia.surroca@mongodb.com&apos;, &apos;username&apos;: &apos;silviasuhu&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65016&quot; title=&quot;Remove range deletions as part of `dropCollection`&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65016&quot;&gt;&lt;del&gt;SERVER-65016&lt;/del&gt;&lt;/a&gt; Remove range deletions as part of `dropCollection`&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/cb8b9029c089316a198b5f98a74ae21fc1f18299&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/cb8b9029c089316a198b5f98a74ae21fc1f18299&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4850557" author="xgen-internal-githook" created="Fri, 23 Sep 2022 10:38:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Silvia Surroca&apos;, &apos;email&apos;: &apos;silvia.surroca@mongodb.com&apos;, &apos;username&apos;: &apos;silviasuhu&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65016&quot; title=&quot;Remove range deletions as part of `dropCollection`&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65016&quot;&gt;&lt;del&gt;SERVER-65016&lt;/del&gt;&lt;/a&gt; Remove range deletions as part of `dropCollection`&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/774c0ba3616556db2d034675e5979c05611d43d9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/774c0ba3616556db2d034675e5979c05611d43d9&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4574628" author="JIRAUSER1263826" created="Thu, 26 May 2022 11:06:22 +0000"  >&lt;p&gt;Removed from QWs and added to 	PM-2849&lt;/p&gt;</comment>
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            <issuekey id="2167675">SERVER-70873</issuekey>
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