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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-75336] Fix OplogBatcher getOpCount() to include all kinds of applyOps</title>
                <link>https://jira.mongodb.org/browse/SERVER-75336</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The OplogBatcher counts the oplog entries to decide when to start a new batch, however for applyOps entries, the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/347fcaa2fc3b26441f622cddae8ea06553cb7786/src/mongo/db/repl/oplog_batcher.cpp#L145-L153&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;current counting mechanism&lt;/a&gt; is incorrect: it uses the &apos;count&apos; field in applyOps, but this field only exists for &lt;a href=&quot;https://github.com/mongodb/mongo/blob/347fcaa2fc3b26441f622cddae8ea06553cb7786/src/mongo/db/transaction/transaction_operations.cpp#L336-L347&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;non-initial implicit commit and prepare&lt;/a&gt; entries. So for single entry applyOps entries, the &apos;count&apos; field does not exist and we would just return 1. This is a bug today and might become a bigger problem after&#160;PM-2780 where we might group up normal CRUD in an applyOps entry.&lt;/p&gt;

&lt;p&gt;The original intention of not having &apos;count&apos; field in single entry applyOps seems to be that we can derive it from the applyOps array, however do that is bit expensive, so I think it&apos;s better to have &apos;count&apos; field in single entry applyOps as well.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2298884">SERVER-75336</key>
            <summary>Fix OplogBatcher getOpCount() to include all kinds of applyOps</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="wenbin.zhu@mongodb.com">Wenbin Zhu</assignee>
                                    <reporter username="wenbin.zhu@mongodb.com">Wenbin Zhu</reporter>
                        <labels>
                    </labels>
                <created>Mon, 27 Mar 2023 17:53:07 +0000</created>
                <updated>Sun, 29 Oct 2023 21:24:10 +0000</updated>
                            <resolved>Thu, 30 Mar 2023 01:57:35 +0000</resolved>
                                                    <fixVersion>7.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5310921" author="xgen-internal-githook" created="Thu, 30 Mar 2023 01:46:26 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Wenbin Zhu&apos;, &apos;email&apos;: &apos;wenbin.zhu@mongodb.com&apos;, &apos;username&apos;: &apos;WenbinZhu&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-75336&quot; title=&quot;Fix OplogBatcher getOpCount() to include all kinds of applyOps&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-75336&quot;&gt;&lt;del&gt;SERVER-75336&lt;/del&gt;&lt;/a&gt; Fix OplogBatcher getOpCount() to include all kinds of applyOps.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fb32caa0d6086523ddea815b90b6c261ff224fa8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fb32caa0d6086523ddea815b90b6c261ff224fa8&lt;/a&gt;&lt;/p&gt;</comment>
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