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    <title>MongoDB Jira</title>
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    <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-39443] Apply &quot;prepareTransaction&quot; command on secondary</title>
                <link>https://jira.mongodb.org/browse/SERVER-39443</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description></description>
                <environment></environment>
        <key id="685751">SERVER-39443</key>
            <summary>Apply &quot;prepareTransaction&quot; command on secondary</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="matthew.russotto@mongodb.com">Matthew Russotto</assignee>
                                    <reporter username="siyuan.zhou@mongodb.com">Siyuan Zhou</reporter>
                        <labels>
                    </labels>
                <created>Fri, 8 Feb 2019 00:15:05 +0000</created>
                <updated>Sun, 29 Oct 2023 22:24:18 +0000</updated>
                            <resolved>Tue, 26 Mar 2019 15:08:58 +0000</resolved>
                                                    <fixVersion>4.1.10</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2195187" author="suganthi.mani" created="Thu, 28 Mar 2019 20:22:41 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=matthew.russotto&quot; class=&quot;user-hover&quot; rel=&quot;matthew.russotto&quot;&gt;matthew.russotto&lt;/a&gt;, currently, while replaying the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/3d67051935b04db3d0a66202a8ebfcce793858de/src/mongo/db/repl/transaction_oplog_application.cpp#L55-L66&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ops in prepared txn as part of commit oplog replay&lt;/a&gt;&#160;during the recovery/initial sync, the writes are committed w/o any commit &amp;amp; durable timestamp. It can lead to problem&#160;data visibility and durability. So, we should &lt;a href=&quot;https://github.com/mongodb/mongo/blob/3d67051935b04db3d0a66202a8ebfcce793858de/src/mongo/db/repl/transaction_oplog_application.cpp#L118-L138&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;prepare and commit the transaction&lt;/a&gt; like in&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39782&quot; title=&quot;Replaying prepared transaction writes for commit oplog entry during replication recovery and initial sync should set commit and durable timestamp  for those writes.&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39782&quot;&gt;&lt;del&gt;SERVER-39782&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="2191835" author="xgen-internal-githook" created="Tue, 26 Mar 2019 15:08:31 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Matthew Russotto&apos;, &apos;username&apos;: &apos;mtrussotto&apos;, &apos;email&apos;: &apos;matthew.russotto@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39443&quot; title=&quot;Apply &amp;quot;prepareTransaction&amp;quot; command on secondary&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39443&quot;&gt;&lt;del&gt;SERVER-39443&lt;/del&gt;&lt;/a&gt; Apply prepared transactions on secondary with the new &amp;gt; 16MB transaction oplog format.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d9d6f2d08a8539b4288185165729d5ded205f142&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d9d6f2d08a8539b4288185165729d5ded205f142&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2173223" author="siyuan.zhou@10gen.com" created="Wed, 6 Mar 2019 20:12:01 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-38588&quot; title=&quot;Hybrid index builds do not work when applied concurrently with prepared transactions on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-38588&quot;&gt;&lt;del&gt;SERVER-38588&lt;/del&gt;&lt;/a&gt; will let background index build stall prepared transactions on secondaries. We need the same logic for large transactions.&lt;/p&gt;</comment>
                            <comment id="2159138" author="siyuan.zhou@10gen.com" created="Thu, 21 Feb 2019 22:07:03 +0000"  >&lt;p&gt;We will have a different ticket to track the update on transaction table on secondaries, so this ticket doesn&apos;t have to include the derived operation.&lt;/p&gt;</comment>
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