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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-33509] inconsistent treatment of applyOps during secondary oplog application</title>
                <link>https://jira.mongodb.org/browse/SERVER-33509</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We started batching applyOps oplog entries with CRUD operations in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32913&quot; title=&quot;Parallelize application of applyOps oplog entries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32913&quot;&gt;&lt;del&gt;SERVER-32913&lt;/del&gt;&lt;/a&gt; and unpacking the embedded CRUD operations within the applyOps command for the writer threads to apply during the oplog application process. However, the unpacking is done only on storage engines that support document level concurrency. This penalizes the performance of the CRUD operations in the same batch when we run the applyOps command logic under the global write lock. We should either:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;unpack the applyOps CRUD operations under all storage engines; or&lt;/li&gt;
	&lt;li&gt;batch applyOps with other CRUD ops when the storage engine supports document level concurrency.&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="502927">SERVER-33509</key>
            <summary>inconsistent treatment of applyOps during secondary oplog application</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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>Tue, 27 Feb 2018 15:04:20 +0000</created>
                <updated>Sun, 29 Oct 2023 22:34:24 +0000</updated>
                            <resolved>Thu, 1 Mar 2018 15:12:02 +0000</resolved>
                                                    <fixVersion>3.7.3</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="1819796" author="xgen-internal-githook" created="Thu, 1 Mar 2018 15:11:28 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;benety@mongodb.com&apos;, &apos;name&apos;: &apos;Benety Goh&apos;, &apos;username&apos;: &apos;benety&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33509&quot; title=&quot;inconsistent treatment of applyOps during secondary oplog application&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33509&quot;&gt;&lt;del&gt;SERVER-33509&lt;/del&gt;&lt;/a&gt; unpack applyOps commands on all storage engines during oplog application&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/18a75455402f5a86a55b8e4f85eb02f6575b4651&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/18a75455402f5a86a55b8e4f85eb02f6575b4651&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="504769">SERVER-33618</issuekey>
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            <issuekey id="487574">SERVER-32913</issuekey>
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