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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-24661] Secondary block reader a very long time when replay oplog</title>
                <link>https://jira.mongodb.org/browse/SERVER-24661</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;During oplog replay&#65292;Secondary hold Lock::ParallelBatchWriterMode&#65292;which will queue all the reader, this will block the reader  for a long time if the operation is  time consuming. For example&lt;/p&gt;

&lt;p&gt;1. createIndex in foreground which will take 20 minutes&lt;br/&gt;
2. createIndex in background which will take 20 minutes&#65292;followed by an operation which will take a database lock&#65288;eg:  dropIndex&#65289;&lt;/p&gt;
</description>
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        <key id="295059">SERVER-24661</key>
            <summary>Secondary block reader a very long time when replay oplog</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>
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                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="backlog-server-repl">Backlog - Replication Team</assignee>
                                    <reporter username="zyd_com@126.com">Zhang Youdong</reporter>
                        <labels>
                    </labels>
                <created>Mon, 20 Jun 2016 07:11:42 +0000</created>
                <updated>Tue, 6 Dec 2022 04:23:35 +0000</updated>
                            <resolved>Thu, 21 Dec 2017 21:31:17 +0000</resolved>
                                    <version>3.2.7</version>
                                                    <component>Concurrency</component>
                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>13</watches>
                                                                                                                <comments>
                            <comment id="1758245" author="asya" created="Thu, 21 Dec 2017 21:31:17 +0000"  >&lt;p&gt;Closing as duplicate of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-20328&quot; title=&quot;Allow secondary reads while applying oplog entries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-20328&quot;&gt;&lt;del&gt;SERVER-20328&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
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