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    <title>MongoDB Jira</title>
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    <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-35057] Notify oplog waiter after advancing the lastApplied timestamp</title>
                <link>https://jira.mongodb.org/browse/SERVER-35057</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;We create a new test suite called concurrency_replication_causal_consistency in&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-32883&quot; title=&quot;Enhanced FSM testing for reading from secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-32883&quot;&gt;&lt;del&gt;SERVER-32883&lt;/del&gt;&lt;/a&gt;, which runs all the fsm workloads with causal consistency on a 5-node linear chained replica set.&lt;br/&gt;
Tests such as auth_create_role.js timed out due to very slow dropRole operations which are done with majority write concerns. We later figured out the slowness was caused by not notifying the oplog waiter immediately after advancing the lastApplied timestamp. So another secondary which syncs from the secondary would wait long time(~20s) for the notification that lastApplied has been advanced. &lt;/p&gt;</description>
                <environment></environment>
        <key id="545760">SERVER-35057</key>
            <summary>Notify oplog waiter after advancing the lastApplied timestamp</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="xiangyu.yao@mongodb.com">Xiangyu Yao</assignee>
                                    <reporter username="xiangyu.yao@mongodb.com">Xiangyu Yao</reporter>
                        <labels>
                    </labels>
                <created>Thu, 17 May 2018 20:19:27 +0000</created>
                <updated>Sun, 29 Oct 2023 22:31:43 +0000</updated>
                            <resolved>Tue, 5 Jun 2018 02:17:00 +0000</resolved>
                                                    <fixVersion>4.0.0-rc2</fixVersion>
                    <fixVersion>4.1.1</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="1910713" author="xgen-internal-githook" created="Tue, 5 Jun 2018 02:16:28 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;xy24&apos;, &apos;name&apos;: &apos;Xiangyu Yao&apos;, &apos;email&apos;: &apos;xiangyu.yao@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-35057&quot; title=&quot;Notify oplog waiter after advancing the lastApplied timestamp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-35057&quot;&gt;&lt;del&gt;SERVER-35057&lt;/del&gt;&lt;/a&gt; Notify oplog waiters after advancing the lastApplied timestamp&lt;/p&gt;

&lt;p&gt;(cherry picked from commit c257b9a2e8b53fd58a8a4a9d79972a80f9d1e00f)&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/419c9774c2a85721a7093d1e7c6ceb1f5397ad54&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/419c9774c2a85721a7093d1e7c6ceb1f5397ad54&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1910712" author="xgen-internal-githook" created="Tue, 5 Jun 2018 02:11:04 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;xy24&apos;, &apos;name&apos;: &apos;Xiangyu Yao&apos;, &apos;email&apos;: &apos;xiangyu.yao@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-35057&quot; title=&quot;Notify oplog waiter after advancing the lastApplied timestamp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-35057&quot;&gt;&lt;del&gt;SERVER-35057&lt;/del&gt;&lt;/a&gt; Notify oplog waiters after advancing the lastApplied timestamp&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c257b9a2e8b53fd58a8a4a9d79972a80f9d1e00f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c257b9a2e8b53fd58a8a4a9d79972a80f9d1e00f&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2025367">SERVER-65657</issuekey>
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            <issuekey id="486984">SERVER-32883</issuekey>
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