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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>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-40641] Ensure TTL delete in prepare conflict retry loop does not block step down</title>
                <link>https://jira.mongodb.org/browse/SERVER-40641</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This would be the same problem as &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-40594&quot; title=&quot;Range deleter in prepare conflict retry loop blocks step down&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-40594&quot;&gt;&lt;del&gt;SERVER-40594&lt;/del&gt;&lt;/a&gt;, but for TTL index deletes.&lt;/p&gt;</description>
                <environment></environment>
        <key id="738609">SERVER-40641</key>
            <summary>Ensure TTL delete in prepare conflict retry loop does not block step down</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="13201">Fixed</resolution>
                                        <assignee username="gregory.wlodarek@mongodb.com">Gregory Wlodarek</assignee>
                                    <reporter username="judah.schvimer@mongodb.com">Judah Schvimer</reporter>
                        <labels>
                            <label>prepare_durability</label>
                            <label>txn_storage</label>
                    </labels>
                <created>Mon, 15 Apr 2019 13:54:54 +0000</created>
                <updated>Sun, 29 Oct 2023 22:22:00 +0000</updated>
                            <resolved>Sat, 18 May 2019 00:50:51 +0000</resolved>
                                                    <fixVersion>4.1.12</fixVersion>
                                    <component>Index Maintenance</component>
                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2251369" author="xgen-internal-githook" created="Sat, 18 May 2019 00:49:46 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Gregory Wlodarek&apos;, &apos;email&apos;: &apos;gregory.wlodarek@mongodb.com&apos;, &apos;username&apos;: &apos;GWlodarek&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-40641&quot; title=&quot;Ensure TTL delete in prepare conflict retry loop does not block step down&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-40641&quot;&gt;&lt;del&gt;SERVER-40641&lt;/del&gt;&lt;/a&gt; Ensure TTL gets interrupted by rollback&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b7a30e03816491a43887ed69a99b95481e83f0fd&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b7a30e03816491a43887ed69a99b95481e83f0fd&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2251368" author="xgen-internal-githook" created="Sat, 18 May 2019 00:49:44 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Gregory Wlodarek&apos;, &apos;email&apos;: &apos;gregory.wlodarek@mongodb.com&apos;, &apos;username&apos;: &apos;GWlodarek&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-40641&quot; title=&quot;Ensure TTL delete in prepare conflict retry loop does not block step down&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-40641&quot;&gt;&lt;del&gt;SERVER-40641&lt;/del&gt;&lt;/a&gt; Ensure TTL delete in prepare conflict retry loop does not block step down&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/00c9d427d464a415d85affc6fa956b124cd61fd3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/00c9d427d464a415d85affc6fa956b124cd61fd3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2220978" author="judah.schvimer" created="Mon, 22 Apr 2019 19:21:26 +0000"  >&lt;p&gt;I&apos;m marking this as blocked until &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-40700&quot; title=&quot;Deadlock between read prepare conflicts and state transitions&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-40700&quot;&gt;&lt;del&gt;SERVER-40700&lt;/del&gt;&lt;/a&gt; is designed.&lt;/p&gt;</comment>
                            <comment id="2217235" author="judah.schvimer" created="Wed, 17 Apr 2019 22:17:32 +0000"  >&lt;p&gt;I&apos;m fine with that. We can change the name of the function.&lt;/p&gt;</comment>
                            <comment id="2217209" author="milkie" created="Wed, 17 Apr 2019 21:51:33 +0000"  >&lt;p&gt;I was instead expecting you to change the loop in ReplicationCoordinatorImpl::_killUserOperationsOnStepDown() to look at the client&apos;s desc() when isFromUserConnection() is false, and compare with &quot;TTLMonitor&quot;.  Although doing it this way does make the name of the function somewhat untrue.&lt;/p&gt;</comment>
                            <comment id="2217127" author="judah.schvimer" created="Wed, 17 Apr 2019 20:46:55 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=milkie&quot; class=&quot;user-hover&quot; rel=&quot;milkie&quot;&gt;milkie&lt;/a&gt;, how do you recommend replication acquire a pointer to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/de389343ecf68ec2df86cd4715dcdcfd678989f1/src/mongo/db/ttl.cpp#L116&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this&lt;/a&gt; &lt;tt&gt;OperationContext&lt;/tt&gt; to kill on step-down?&lt;/p&gt;</comment>
                            <comment id="2217064" author="judah.schvimer" created="Wed, 17 Apr 2019 20:27:51 +0000"  >&lt;p&gt;This should kill the in-progress TTL delete operations on stepdown, but not kill the TTL thread itself.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="736582">SERVER-40594</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="740577">SERVER-40700</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="759612">SERVER-41035</issuekey>
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