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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-55208] Remove support for nojournal</title>
                <link>https://jira.mongodb.org/browse/SERVER-55208</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Determine the potential use cases for the nojournal option on the WT storage engine and investigate the potential deprecation of the option  &lt;/p&gt;</description>
                <environment></environment>
        <key id="1649304">SERVER-55208</key>
            <summary>Remove support for nojournal</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="yujin.kang@mongodb.com">Yujin Kang Park</assignee>
                                    <reporter username="michael.gargiulo@mongodb.com">Michael Gargiulo</reporter>
                        <labels>
                            <label>neweng</label>
                    </labels>
                <created>Mon, 15 Mar 2021 18:37:51 +0000</created>
                <updated>Sun, 29 Oct 2023 21:56:17 +0000</updated>
                            <resolved>Wed, 6 Jul 2022 12:45:05 +0000</resolved>
                                                    <fixVersion>6.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>9</watches>
                                                                                                                <comments>
                            <comment id="4659955" author="xgen-internal-githook" created="Wed, 6 Jul 2022 12:18:04 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Yu Jin Kang Park&apos;, &apos;email&apos;: &apos;yujin.kang@mongodb.com&apos;, &apos;username&apos;: &apos;ykangpark&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-55208&quot; title=&quot;Remove support for nojournal&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-55208&quot;&gt;&lt;del&gt;SERVER-55208&lt;/del&gt;&lt;/a&gt;: Remove nojournal,duroff and evergreen variant&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/574d60b493f71e6433a784dc3a2a8fd3fed171a1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/574d60b493f71e6433a784dc3a2a8fd3fed171a1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4659954" author="xgen-internal-githook" created="Wed, 6 Jul 2022 12:17:50 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Yu Jin Kang Park&apos;, &apos;email&apos;: &apos;yujin.kang@mongodb.com&apos;, &apos;username&apos;: &apos;ykangpark&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-55208&quot; title=&quot;Remove support for nojournal&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-55208&quot;&gt;&lt;del&gt;SERVER-55208&lt;/del&gt;&lt;/a&gt;: Cleanup requires_journaling&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/10gen/mongo-enterprise-modules/commit/1a7f01b7854c0ab1f57ea665834e9fe5f4bda8ce&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo-enterprise-modules/commit/1a7f01b7854c0ab1f57ea665834e9fe5f4bda8ce&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4617099" author="JIRAUSER1265133" created="Wed, 15 Jun 2022 11:14:21 +0000"  >&lt;p&gt;We have been able to trace the change of behaviour to &lt;a href=&quot;https://jira.mongodb.org/browse/WT-8652&quot; title=&quot;Do not skip the final metadata checkpoint when shutdown configured with use_timestamp=true&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-8652&quot;&gt;&lt;del&gt;WT-8652&lt;/del&gt;&lt;/a&gt;. The description matches with what we are seeing, and I have verified that changing the compressor fails with the parent commit of &lt;a href=&quot;https://jira.mongodb.org/browse/WT-8652&quot; title=&quot;Do not skip the final metadata checkpoint when shutdown configured with use_timestamp=true&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-8652&quot;&gt;&lt;del&gt;WT-8652&lt;/del&gt;&lt;/a&gt;, and that with &lt;a href=&quot;https://jira.mongodb.org/browse/WT-8652&quot; title=&quot;Do not skip the final metadata checkpoint when shutdown configured with use_timestamp=true&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-8652&quot;&gt;&lt;del&gt;WT-8652&lt;/del&gt;&lt;/a&gt; changing the journal succeeds.&lt;/p&gt;

&lt;p&gt;If needed, it should be safe to remove the --nojournal option from all server versions which include this change.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=josef.ahmad%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;josef.ahmad@mongodb.com&quot;&gt;josef.ahmad@mongodb.com&lt;/a&gt; thanks for all the help!&lt;/p&gt;</comment>
                    </comments>
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                            <issuelinktype id="10320">
                    <name>Documented</name>
                                                                <inwardlinks description="is documented by">
                                        <issuelink>
            <issuekey id="2083581">DOCS-15467</issuekey>
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                            <issuelinktype id="10520">
                    <name>Problem/Incident</name>
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                                        <issuelink>
            <issuekey id="2133206">SERVER-70181</issuekey>
        </issuelink>
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                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="2089042">DRIVERS-2388</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="268212">DOCS-7270</issuekey>
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            <issuelink>
            <issuekey id="1960669">WT-8652</issuekey>
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                            <customfieldvalue>The --nojournal option has been completely removed, so this should be reflected in the documentation.&lt;br/&gt;
&lt;br/&gt;
Additionally, the intermediate step starting up mongod with --nojournal when changing the WT journal compressor is not required, only a clean shutdown and startup is required. The step was &amp;quot;required&amp;quot; due to a bug fixed by &lt;a href=&quot;https://jira.mongodb.org/browse/WT-8652&quot; title=&quot;Do not skip the final metadata checkpoint when shutdown configured with use_timestamp=true&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-8652&quot;&gt;&lt;strike&gt;WT-8652&lt;/strike&gt;&lt;/a&gt;, in which even on clean shutdown checkpoint metadata was not stored properly. This caused journal recovery to always try to decompress entries, as WT thought that there were entries pending to be recovered. The nojournal step coincidentally fixed the issue because it deletes the contents of the journal directory, hence on the following startup with a different compressor the WT did not manifest because there were no journal files.&lt;br/&gt;
&lt;br/&gt;
&lt;a href=&quot;https://www.mongodb.com/docs/manual/tutorial/manage-journaling/#change-wiredtiger-journal-compressor&quot;&gt;https://www.mongodb.com/docs/manual/tutorial/manage-journaling/#change-wiredtiger-journal-compressor&lt;/a&gt;</customfieldvalue>

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