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<channel>
    <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>
    </build-info>


<item>
            <title>[SERVER-7200] use oplog as op buffer on secondaries</title>
                <link>https://jira.mongodb.org/browse/SERVER-7200</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, we use an in-memory queue to buffer operations between the network reader and the op writer.  Instead, we could simply use the local.oplog collection as the buffer.&lt;/p&gt;

&lt;p&gt;Added advantage: we&apos;ll know what operations in the batch were actively being applied if we crash in the middle of a batch.&lt;/p&gt;</description>
                <environment></environment>
        <key id="51775">SERVER-7200</key>
            <summary>use oplog as op buffer on secondaries</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>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="9">Done</resolution>
                                        <assignee username="mathias@mongodb.com">Mathias Stearn</assignee>
                                    <reporter username="milkie@mongodb.com">Eric Milkie</reporter>
                        <labels>
                            <label>code-and-test</label>
                    </labels>
                <created>Fri, 28 Sep 2012 17:42:04 +0000</created>
                <updated>Tue, 6 Feb 2018 06:09:19 +0000</updated>
                            <resolved>Tue, 23 Aug 2016 21:51:39 +0000</resolved>
                                    <version>2.2.0</version>
                                    <fixVersion>3.2.11</fixVersion>
                    <fixVersion>3.3.12</fixVersion>
                                    <component>Replication</component>
                                        <votes>5</votes>
                                    <watches>32</watches>
                                                                                                                <comments>
                            <comment id="1498646" author="2k.pravin@gmail.com" created="Tue, 14 Feb 2017 17:05:14 +0000"  >&lt;p&gt;Thanks Thomas for your quick response.&lt;br/&gt;
Resync t is I think safe and simple solution to get rid of the problem.&lt;/p&gt;

&lt;p&gt;But I am not able to start the affected node(mongod), as soon as I start the node it gets started but give below exception and gets shutdown.&lt;br/&gt;
How can we start the node? Do I need to deleted the Rollback , Diagnostic directories and Lock files in order to start the Mongod?&lt;/p&gt;

&lt;p&gt;Regards&lt;br/&gt;
Pravin Dwiwedi&lt;/p&gt;

</comment>
                            <comment id="1498622" author="thomas.schubert" created="Tue, 14 Feb 2017 16:44:29 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=2k.pravin%40gmail.com&quot; class=&quot;user-hover&quot; rel=&quot;2k.pravin@gmail.com&quot;&gt;2k.pravin@gmail.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Once a node has entered this state, the only way to resolve the issue is to resync the affected node by performing an initial sync. Upgrading would prevent the node from reaching this inconsistent state, but would not correct a node already affected by this issue.&lt;/p&gt;

&lt;p&gt;Kind regards,&lt;br/&gt;
Thomas&lt;/p&gt;</comment>
                            <comment id="1498605" author="2k.pravin@gmail.com" created="Tue, 14 Feb 2017 16:34:08 +0000"  >&lt;p&gt;Hi Team, Thanks for fixes.&lt;/p&gt;

&lt;p&gt;I am facing the same problem while running on Mongo 3.2.7. &lt;/p&gt;

&lt;p&gt;Whenever I restart the server it gives exception and Mongod gets stopped--&lt;/p&gt;

&lt;p&gt;_2017-02-14T11:00:08.580+0000 I REPL     &lt;span class=&quot;error&quot;&gt;&amp;#91;rsBackgroundSync&amp;#93;&lt;/span&gt; Starting rollback due to OplogStartMissing: our last op time fetched: (term: 36, timestamp: Feb 13 22:53:33:3). source&apos;s GTE: (term: 37, timestamp: Feb 13 22:53:36:1) hashes: (3451672896402616640/2249844032076922861)&lt;br/&gt;
2017-02-14T11:00:08.580+0000 I -        &lt;span class=&quot;error&quot;&gt;&amp;#91;rsBackgroundSync&amp;#93;&lt;/span&gt; Fatal assertion 18750 UnrecoverableRollbackError: need to rollback, but in inconsistent state. minvalid: (term: 37, timestamp: Feb 13 22:53:39:3) &amp;gt; our last optime: (term: 36, timestamp: Feb 13 22:53:33:3)&lt;br/&gt;
2017-02-14T11:00:08.580+0000 I -        &lt;span class=&quot;error&quot;&gt;&amp;#91;rsBackgroundSync&amp;#93;&lt;/span&gt; _&lt;/p&gt;

&lt;p&gt;***aborting after fassert() failure&lt;/p&gt;

&lt;p&gt;Is there any work around to fix this issue without upgrading the Mongo?&lt;/p&gt;

&lt;p&gt;Regards&lt;br/&gt;
Pravin Dwiwedi&lt;/p&gt;</comment>
                            <comment id="1481770" author="xgen-internal-githook" created="Fri, 20 Jan 2017 23:28:53 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;redbeard0531@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27050&quot; title=&quot;Ensure upstream node doesn&amp;#39;t roll back after checking minvald&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27050&quot;&gt;&lt;del&gt;SERVER-27050&lt;/del&gt;&lt;/a&gt; Ensure upstream node doesn&apos;t roll back after checking MinValid&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 0b76764eac7651ddba4c82c504aa7e8d785087c2)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25860&quot; title=&quot;Flatten / optimize fixup_info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25860&quot;&gt;&lt;del&gt;SERVER-25860&lt;/del&gt;&lt;/a&gt; Allow replication rollback to drop system collections&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 99e19b1ded425a1d859a9bc52fd5c2712e71f83a)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25860&quot; title=&quot;Flatten / optimize fixup_info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25860&quot;&gt;&lt;del&gt;SERVER-25860&lt;/del&gt;&lt;/a&gt; Remove redundant operations during rollback&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 2dec7e9a15af8e0fc4d8e68ed40e3abe90b3a3b3)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25862&quot; title=&quot;Modifications to Roll-forward logic&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25862&quot;&gt;&lt;del&gt;SERVER-25862&lt;/del&gt;&lt;/a&gt; Add a test of replaying a batch at startup with update and delete of same object&lt;/p&gt;

&lt;p&gt;This is a special case of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-7200&quot; title=&quot;use oplog as op buffer on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-7200&quot;&gt;&lt;del&gt;SERVER-7200&lt;/del&gt;&lt;/a&gt; that interacts with plans for&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25862&quot; title=&quot;Modifications to Roll-forward logic&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25862&quot;&gt;&lt;del&gt;SERVER-25862&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 8e7231a38341d68fb2cdc60509687397e9a17741)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27282&quot; title=&quot;Clean up and fix bugs in RS rollback error handling&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27282&quot;&gt;&lt;del&gt;SERVER-27282&lt;/del&gt;&lt;/a&gt; clean up RS rollback error handling&lt;/p&gt;

&lt;p&gt;(cherry picked from commit ef1f1739d6cbff9fb4ddbcc77d467f183c0ab9f2)&lt;/p&gt;

&lt;p&gt;(all cherry picked from v3.4 commit f4cab348460c90fcd506b2d46bf8c830b7b87379)&lt;br/&gt;
Branch: v3.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fb5a39c59d661021c99ba3548e4e5be2e2fb50f5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fb5a39c59d661021c99ba3548e4e5be2e2fb50f5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1476750" author="xgen-internal-githook" created="Fri, 13 Jan 2017 21:52:13 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;mathias@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27050&quot; title=&quot;Ensure upstream node doesn&amp;#39;t roll back after checking minvald&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27050&quot;&gt;&lt;del&gt;SERVER-27050&lt;/del&gt;&lt;/a&gt; Ensure upstream node doesn&apos;t roll back after checking MinValid&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 0b76764eac7651ddba4c82c504aa7e8d785087c2)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25860&quot; title=&quot;Flatten / optimize fixup_info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25860&quot;&gt;&lt;del&gt;SERVER-25860&lt;/del&gt;&lt;/a&gt; Allow replication rollback to drop system collections&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 99e19b1ded425a1d859a9bc52fd5c2712e71f83a)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25860&quot; title=&quot;Flatten / optimize fixup_info&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25860&quot;&gt;&lt;del&gt;SERVER-25860&lt;/del&gt;&lt;/a&gt; Remove redundant operations during rollback&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 2dec7e9a15af8e0fc4d8e68ed40e3abe90b3a3b3)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25862&quot; title=&quot;Modifications to Roll-forward logic&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25862&quot;&gt;&lt;del&gt;SERVER-25862&lt;/del&gt;&lt;/a&gt; Add a test of replaying a batch at startup with update and delete of same object&lt;/p&gt;

&lt;p&gt;This is a special case of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-7200&quot; title=&quot;use oplog as op buffer on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-7200&quot;&gt;&lt;del&gt;SERVER-7200&lt;/del&gt;&lt;/a&gt; that interacts with plans for&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25862&quot; title=&quot;Modifications to Roll-forward logic&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25862&quot;&gt;&lt;del&gt;SERVER-25862&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 8e7231a38341d68fb2cdc60509687397e9a17741)&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-27282&quot; title=&quot;Clean up and fix bugs in RS rollback error handling&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-27282&quot;&gt;&lt;del&gt;SERVER-27282&lt;/del&gt;&lt;/a&gt; clean up RS rollback error handling&lt;/p&gt;

&lt;p&gt;(cherry picked from commit ef1f1739d6cbff9fb4ddbcc77d467f183c0ab9f2)&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f4cab348460c90fcd506b2d46bf8c830b7b87379&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f4cab348460c90fcd506b2d46bf8c830b7b87379&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1468604" author="xgen-internal-githook" created="Tue, 3 Jan 2017 21:05:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;mathias@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25862&quot; title=&quot;Modifications to Roll-forward logic&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25862&quot;&gt;&lt;del&gt;SERVER-25862&lt;/del&gt;&lt;/a&gt; Add a test of replaying a batch at startup with update and delete of same object&lt;/p&gt;

&lt;p&gt;This is a special case of &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-7200&quot; title=&quot;use oplog as op buffer on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-7200&quot;&gt;&lt;del&gt;SERVER-7200&lt;/del&gt;&lt;/a&gt; that interacts with plans for&lt;br/&gt;
&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-25862&quot; title=&quot;Modifications to Roll-forward logic&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-25862&quot;&gt;&lt;del&gt;SERVER-25862&lt;/del&gt;&lt;/a&gt;.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8e7231a38341d68fb2cdc60509687397e9a17741&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8e7231a38341d68fb2cdc60509687397e9a17741&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1411047" author="xgen-internal-githook" created="Mon, 17 Oct 2016 23:57:48 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;redbeard0531@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-7200&quot; title=&quot;use oplog as op buffer on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-7200&quot;&gt;&lt;del&gt;SERVER-7200&lt;/del&gt;&lt;/a&gt; Write oplog entries on secondaries before applying&lt;/p&gt;

&lt;p&gt;Manual backport of 34c6c691a038eac1ac3ee16e1eedc54aab964774 along with fixes&lt;br/&gt;
and tests from:&lt;/p&gt;

&lt;p&gt;b5d2b06f8a08171fd96ef8d128c4f7ecedcb8f93&lt;br/&gt;
dc83fb0433fcae6e72f035df7458473b59223eb5&lt;br/&gt;
fec839b99f4b9e08016112fe8b9492e327af91b8&lt;br/&gt;
bf86770c8a5de97b30bc008ad59e34de99065c60&lt;br/&gt;
Branch: v3.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5db0a55a264ee326bff5598249639ef479628f37&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5db0a55a264ee326bff5598249639ef479628f37&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1411045" author="xgen-internal-githook" created="Mon, 17 Oct 2016 23:57:46 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;mathias@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-7200&quot; title=&quot;use oplog as op buffer on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-7200&quot;&gt;&lt;del&gt;SERVER-7200&lt;/del&gt;&lt;/a&gt; Limit secondary apply batches to 10% of the oplog size&lt;/p&gt;

&lt;p&gt;(cherry picked from commit b06901cd83b2a985aa50f9a699f3d63dcd28476d)&lt;br/&gt;
Branch: v3.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e207e1a4809742a5cd0bb456202c82ff82548a44&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e207e1a4809742a5cd0bb456202c82ff82548a44&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1386726" author="xgen-internal-githook" created="Fri, 16 Sep 2016 21:03:59 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;mathias@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-26016&quot; title=&quot;Improve testing for Steady State Oplog-as-Buffer&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-26016&quot;&gt;&lt;del&gt;SERVER-26016&lt;/del&gt;&lt;/a&gt; Add a basic test of oplog replay on startup&lt;/p&gt;

&lt;p&gt;Fixes a small but important bug in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-7200&quot; title=&quot;use oplog as op buffer on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-7200&quot;&gt;&lt;del&gt;SERVER-7200&lt;/del&gt;&lt;/a&gt;.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/dc83fb0433fcae6e72f035df7458473b59223eb5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/dc83fb0433fcae6e72f035df7458473b59223eb5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1365041" author="xgen-internal-githook" created="Tue, 23 Aug 2016 15:48:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;mathias@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-7200&quot; title=&quot;use oplog as op buffer on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-7200&quot;&gt;&lt;del&gt;SERVER-7200&lt;/del&gt;&lt;/a&gt; Limit secondary apply batches to 10% of the oplog size&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b06901cd83b2a985aa50f9a699f3d63dcd28476d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b06901cd83b2a985aa50f9a699f3d63dcd28476d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1365040" author="xgen-internal-githook" created="Tue, 23 Aug 2016 15:48:42 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;mathias@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-7200&quot; title=&quot;use oplog as op buffer on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-7200&quot;&gt;&lt;del&gt;SERVER-7200&lt;/del&gt;&lt;/a&gt; Write oplog entries on secondaries before applying&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/34c6c691a038eac1ac3ee16e1eedc54aab964774&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/34c6c691a038eac1ac3ee16e1eedc54aab964774&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1365039" author="xgen-internal-githook" created="Tue, 23 Aug 2016 15:48:41 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;mathias@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-7200&quot; title=&quot;use oplog as op buffer on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-7200&quot;&gt;&lt;del&gt;SERVER-7200&lt;/del&gt;&lt;/a&gt; stop consulting shouldShutdown in OpQueueBatcher&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3bcafe4fe23c9521fe028a176fffabdc79d434e9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3bcafe4fe23c9521fe028a176fffabdc79d434e9&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1365037" author="xgen-internal-githook" created="Tue, 23 Aug 2016 15:48:36 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;RedBeard0531&apos;, u&apos;name&apos;: u&apos;Mathias Stearn&apos;, u&apos;email&apos;: u&apos;mathias@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-7200&quot; title=&quot;use oplog as op buffer on secondaries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-7200&quot;&gt;&lt;del&gt;SERVER-7200&lt;/del&gt;&lt;/a&gt; Delete unused Status variable&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/43c0c3ab90eb14c4b52324feeb81c3b3eef57403&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/43c0c3ab90eb14c4b52324feeb81c3b3eef57403&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1360244" author="redbeard0531" created="Wed, 17 Aug 2016 21:47:32 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=ramon.fernandez&quot; class=&quot;user-hover&quot; rel=&quot;ramon.fernandez&quot;&gt;ramon.fernandez&lt;/a&gt;, I&apos;m moving this to 3.3.12. We either need to get this in or disable multi-threaded oplog writing on secondaries before going into RCs, otherwise it will make upgrade/downgrade between 3.4 RCs a pain. This isn&apos;t an issue for upgrade/downgrade to/from 3.2 because it writes the oplog in a single thread.&lt;/p&gt;</comment>
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