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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-71655] relax multi-timestamp constraint for muti-doc transactions outside logOplogEntries</title>
                <link>https://jira.mongodb.org/browse/SERVER-71655</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The logOplogEntries() function (within the OpObserverImpl implementation) formats applyOps oplog entries for multi-doc transactions and batched writes. In order to write out a chain of applyOps oplog entries and to write to the images collection while creating the oplog entries, it has to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/58ca1f5602bf79eb2807ebcc5a8b70f3e89a346c/src/mongo/db/op_observer/op_observer_impl.cpp#L1766&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;relax the multi-timestamp constraint&lt;/a&gt; on the RecoveryUnit. It would be beneficial in terms of separating the applyOps formatting logic from storage engine related settings to be able to update the RecoveryUnit prior to calling logOplogEntries().&lt;/p&gt;

&lt;p&gt;This supports the work in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-70899&quot; title=&quot;move logOplogEntries() from OpObserverImpl to TransactionOperations&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-70899&quot;&gt;&lt;del&gt;SERVER-70899&lt;/del&gt;&lt;/a&gt; where the TransactionOperations would be sole focused on formatting the applyOps entries without any explicit interaction with the OperationContext or RecoveryUnit.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2196555">SERVER-71655</key>
            <summary>relax multi-timestamp constraint for muti-doc transactions outside logOplogEntries</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="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="benety.goh@mongodb.com">Benety Goh</reporter>
                        <labels>
                    </labels>
                <created>Mon, 28 Nov 2022 18:39:30 +0000</created>
                <updated>Sun, 29 Oct 2023 21:30:00 +0000</updated>
                            <resolved>Fri, 9 Dec 2022 00:13:27 +0000</resolved>
                                                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5042474" author="xgen-internal-githook" created="Thu, 8 Dec 2022 23:45:35 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71655&quot; title=&quot;relax multi-timestamp constraint for muti-doc transactions outside logOplogEntries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71655&quot;&gt;&lt;del&gt;SERVER-71655&lt;/del&gt;&lt;/a&gt; OpObserverImpl relaxes multi-timestamp constraint for multi-doc transactions outside logOplogEntries()&lt;/p&gt;

&lt;p&gt;The information for relaxing the multi-timestamp constraint is available before calling&lt;br/&gt;
logOplogEntries() and this logic does not need to part of the applyOps formatting loop.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e5ca3d956bf20effd512f8eb0654f88f0e156a4f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e5ca3d956bf20effd512f8eb0654f88f0e156a4f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5042359" author="xgen-internal-githook" created="Thu, 8 Dec 2022 22:38:45 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71655&quot; title=&quot;relax multi-timestamp constraint for muti-doc transactions outside logOplogEntries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71655&quot;&gt;&lt;del&gt;SERVER-71655&lt;/del&gt;&lt;/a&gt; move lock state invariants from logOplogEntries() to callers&lt;/p&gt;

&lt;p&gt;This allows logOplogEntries() to focus on the formatting logic. Checking&lt;br/&gt;
the lock state is something that can be done before we format the applyOps&lt;br/&gt;
oplog entries.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4ea67148b604e355398a6355f7e348da12c677d9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4ea67148b604e355398a6355f7e348da12c677d9&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5042016" author="xgen-internal-githook" created="Thu, 8 Dec 2022 21:10:06 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71655&quot; title=&quot;relax multi-timestamp constraint for muti-doc transactions outside logOplogEntries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71655&quot;&gt;&lt;del&gt;SERVER-71655&lt;/del&gt;&lt;/a&gt; TransactionOperations::getApplyOpsInfo() returns number of operations with needs retry image&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/58b05fa0237c709dd39e663cc668722d4039161d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/58b05fa0237c709dd39e663cc668722d4039161d&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
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                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="2168654">SERVER-70899</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="1379500">SERVER-48771</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="2189720">SERVER-71488</issuekey>
        </issuelink>
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