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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-24367] Implement CollectionRangeDeleter task lifetime management</title>
                <link>https://jira.mongodb.org/browse/SERVER-24367</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This task is to thread-through the creation and cleanup of the &lt;tt&gt;CollectionRangeDeleter&lt;/tt&gt; object. A single instance must exist at any given time, if and only if there are entries in the MetadataManager::_rangesToClean object and it should be created the first time an entry is put in there.&lt;/p&gt;

&lt;p&gt;You&apos;ll need to implement the following:&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;   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;    CollectionRangeDeleter::run() {&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;        if (cleanupNext())&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;            (range deleter task executor).scheduleTask()&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;        else&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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;   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;            delete this&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&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-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;    }&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;And in MetadataManager, you&apos;ll need to create the CollectionRangeDeleter and schedule the task in MetadataManager::addToRTC, which should do so if the rangesToClean was previously empty. The CollectionRangeDeleter should be created on the heap, and then CollectionRangeDeleter::run() will handle deleting it when it is finished.&lt;/p&gt;

&lt;p&gt;Once that is implemented, we&apos;ll need to figure out how to clean up the CollectionRangeDeleter object when the server crashes/shutsdown/something bad happens to the scheduled task on the task executor.&lt;/p&gt;

&lt;p&gt;This also involves writing unit-tests.&lt;/p&gt;</description>
                <environment></environment>
        <key id="291070">SERVER-24367</key>
            <summary>Implement CollectionRangeDeleter task lifetime management</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="9">Done</resolution>
                                        <assignee username="sam.dunietz">Sam Dunietz</assignee>
                                    <reporter username="crystal.horn@mongodb.com">Crystal Horn</reporter>
                        <labels>
                    </labels>
                <created>Thu, 2 Jun 2016 16:37:53 +0000</created>
                <updated>Tue, 18 Apr 2017 17:47:03 +0000</updated>
                            <resolved>Tue, 2 Aug 2016 15:49:26 +0000</resolved>
                                                    <fixVersion>3.3.11</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1341473" author="xgen-internal-githook" created="Fri, 29 Jul 2016 16:34:14 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;name&apos;: u&apos;Sam Dunietz&apos;, u&apos;email&apos;: u&apos;sam.dunietz@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-24367&quot; title=&quot;Implement CollectionRangeDeleter task lifetime management&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-24367&quot;&gt;&lt;del&gt;SERVER-24367&lt;/del&gt;&lt;/a&gt; Implement CollectionRangeDeleter task lifetime management&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/47a9c891ad77f6f26143ad35a7033fefabed4e82&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/47a9c891ad77f6f26143ad35a7033fefabed4e82&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1340525" author="xgen-internal-githook" created="Thu, 28 Jul 2016 20:36:24 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;name&apos;: u&apos;Sam Dunietz&apos;, u&apos;email&apos;: u&apos;sam.dunietz@10gen.com&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-24367&quot; title=&quot;Implement CollectionRangeDeleter task lifetime management&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-24367&quot;&gt;&lt;del&gt;SERVER-24367&lt;/del&gt;&lt;/a&gt; Implement CollectionRangeDeleter task lifetime management&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit 9a776eae4f669fdcfae94c41c0cbbea662d36c94.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/60cf7576bc66c1ca82d9ab25f0b8340c837d05ac&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/60cf7576bc66c1ca82d9ab25f0b8340c837d05ac&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1340415" author="xgen-internal-githook" created="Thu, 28 Jul 2016 19:23:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;name&apos;: u&apos;Sam Dunietz&apos;, u&apos;email&apos;: u&apos;sam.dunietz@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-24367&quot; title=&quot;Implement CollectionRangeDeleter task lifetime management&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-24367&quot;&gt;&lt;del&gt;SERVER-24367&lt;/del&gt;&lt;/a&gt; Implement CollectionRangeDeleter task lifetime management&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9a776eae4f669fdcfae94c41c0cbbea662d36c94&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9a776eae4f669fdcfae94c41c0cbbea662d36c94&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10020">
                    <name>Gantt Dependency</name>
                                                                <inwardlinks description="has to be done after">
                                        <issuelink>
            <issuekey id="300510">SERVER-25011</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="303446">SERVER-25238</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="375109">SERVER-28838</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="293898">SERVER-24573</issuekey>
        </issuelink>
                            </inwardlinks>
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