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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-39950] Merge two oplog batching code paths</title>
                <link>https://jira.mongodb.org/browse/SERVER-39950</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Initial sync uses &lt;tt&gt;OplogApplier::getNextApplierBatch()&lt;/tt&gt; to for oplog batching, however secondary&apos;s batching behavior is in &lt;tt&gt;SyncTail::tryPopAndWaitForMore()&lt;/tt&gt;. We should merge them into one implementation.&lt;/p&gt;</description>
                <environment></environment>
        <key id="709101">SERVER-39950</key>
            <summary>Merge two oplog batching code paths</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="benety.goh@mongodb.com">Benety Goh</assignee>
                                    <reporter username="siyuan.zhou@mongodb.com">Siyuan Zhou</reporter>
                        <labels>
                    </labels>
                <created>Mon, 4 Mar 2019 21:05:55 +0000</created>
                <updated>Sun, 29 Oct 2023 22:23:18 +0000</updated>
                            <resolved>Sun, 7 Apr 2019 14:09:02 +0000</resolved>
                                                    <fixVersion>4.1.10</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="2204511" author="xgen-internal-githook" created="Sun, 7 Apr 2019 14:08:45 +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-39950&quot; title=&quot;Merge two oplog batching code paths&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39950&quot;&gt;&lt;del&gt;SERVER-39950&lt;/del&gt;&lt;/a&gt; remove SyncTail::tryPopAndWaitForMore() and _consume()&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/62c32c9c68ad65157f8fdb46d34bec120a17bbf8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/62c32c9c68ad65157f8fdb46d34bec120a17bbf8&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2204389" author="xgen-internal-githook" created="Sat, 6 Apr 2019 22:53:16 +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-39950&quot; title=&quot;Merge two oplog batching code paths&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39950&quot;&gt;&lt;del&gt;SERVER-39950&lt;/del&gt;&lt;/a&gt; SyncTail::OpQueueBatcher::run() obtains next batch of ops using OplogApplier&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3e504b77e351c266b8324abbbe4c285e4df8db77&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3e504b77e351c266b8324abbbe4c285e4df8db77&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2204367" author="xgen-internal-githook" created="Sat, 6 Apr 2019 21:23:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Benety Goh&apos;, &apos;username&apos;: &apos;benety&apos;, &apos;email&apos;: &apos;benety@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39950&quot; title=&quot;Merge two oplog batching code paths&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39950&quot;&gt;&lt;del&gt;SERVER-39950&lt;/del&gt;&lt;/a&gt; make OplogApplier::getNextApplierBatch() shutdown-aware&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b66c0d34088dae2a01a42c936396fc7a8f750201&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b66c0d34088dae2a01a42c936396fc7a8f750201&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2204310" author="xgen-internal-githook" created="Sat, 6 Apr 2019 15:36:31 +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-39950&quot; title=&quot;Merge two oplog batching code paths&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39950&quot;&gt;&lt;del&gt;SERVER-39950&lt;/del&gt;&lt;/a&gt; SyncTail::oplogApplication() accepts OplogApplier::GetNextApplierBatchFn&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/652d22504d2990b2322aefc272b489e731edd789&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/652d22504d2990b2322aefc272b489e731edd789&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2204303" author="xgen-internal-githook" created="Sat, 6 Apr 2019 14:51:10 +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-39950&quot; title=&quot;Merge two oplog batching code paths&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39950&quot;&gt;&lt;del&gt;SERVER-39950&lt;/del&gt;&lt;/a&gt; OplogApplier::getNextApplierBatch() handles BatchLimit::slaveDelayLatestTimestamp&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f48325efba7da7ac93c68dafe8e2f7704a683e1a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f48325efba7da7ac93c68dafe8e2f7704a683e1a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2182030" author="siyuan.zhou@10gen.com" created="Fri, 15 Mar 2019 18:19:39 +0000"  >&lt;p&gt;This work will cover&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-40169&quot; title=&quot;Apply commitTransaction of unprepared transactions with CRUD ops in the same batch during recovery and initial sync&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-40169&quot;&gt;&lt;del&gt;SERVER-40169&lt;/del&gt;&lt;/a&gt;. This will also avoid duplicated work for&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39436&quot; title=&quot;Keep batch size accurate for oplog application of large unprepared transactions&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39436&quot;&gt;&lt;del&gt;SERVER-39436&lt;/del&gt;&lt;/a&gt; (Keep batch size accurate for oplog application) and add test coverage for batching of steady state replication.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="685714">SERVER-39434</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="547189">SERVER-35130</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="471974">SERVER-32332</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="585021">SERVER-36498</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="713958">SERVER-40049</issuekey>
        </issuelink>
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