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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-59076] Support setting a prepare timestamp at current read timestamp</title>
                <link>https://jira.mongodb.org/browse/SERVER-59076</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;There is a bug in MongoDB with reconstructing prepared transactions at startup (see &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58409&quot; title=&quot;Startup RecordId initialization is flawed with durable history and reconstructing prepared transactions&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58409&quot;&gt;&lt;del&gt;SERVER-58409&lt;/del&gt;&lt;/a&gt; for details). We discovered that the simplest solution would be to have MongoDB set the read timestamp to the prepare timestamp on startup to ensure that the first write into the RecordStore does not re-use a RecordId for a deleted record. &lt;/p&gt;

&lt;p&gt;The proposed MongoDB change, however, exercises the following assertion: &quot;prepare timestamp X must be greater than the latest active read timestamp Y&quot;.&lt;/p&gt;

&lt;p&gt;We would like some API to bypass this assertion. &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=daniel.gottlieb&quot; class=&quot;user-hover&quot; rel=&quot;daniel.gottlieb&quot;&gt;daniel.gottlieb&lt;/a&gt; proposed an &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58409?focusedCommentId=3975821&amp;amp;page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-3975821&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;API change&lt;/a&gt; that would allow the configuration &quot;roundup_timestamps=(prepared=true)&quot; to bypass this assertion. We set this flag already when we recover prepared transactions on startup.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1840139">SERVER-59076</key>
            <summary>Support setting a prepare timestamp at current read timestamp</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="3">Duplicate</resolution>
                                        <assignee username="backlog-server-storage-engines">Backlog - Storage Engines Team</assignee>
                                    <reporter username="louis.williams@mongodb.com">Louis Williams</reporter>
                        <labels>
                    </labels>
                <created>Tue, 3 Aug 2021 20:35:05 +0000</created>
                <updated>Tue, 6 Dec 2022 01:03:32 +0000</updated>
                            <resolved>Tue, 3 Aug 2021 20:39:15 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="3979113" author="louis.williams" created="Tue, 3 Aug 2021 20:39:16 +0000"  >&lt;p&gt;I accidentally opened this on the SERVER project and duplicated the same issue in &lt;a href=&quot;https://jira.mongodb.org/browse/WT-7918&quot; title=&quot;Allow setting the prepare timestamp smaller than or equal to the latest active read timestamp with roundup prepare config&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-7918&quot;&gt;&lt;del&gt;WT-7918&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
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