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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-21031] Vectorize logOp</title>
                <link>https://jira.mongodb.org/browse/SERVER-21031</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Make logOp (on the primary) write to the oplog in vectors when possible, not one element at a time - for efficiency&lt;/p&gt;</description>
                <environment></environment>
        <key id="235370">SERVER-21031</key>
            <summary>Vectorize logOp</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="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="martin.bligh">Martin Bligh</reporter>
                        <labels>
                    </labels>
                <created>Tue, 20 Oct 2015 17:49:23 +0000</created>
                <updated>Tue, 6 Dec 2022 04:41:49 +0000</updated>
                            <resolved>Wed, 12 Oct 2016 13:58:33 +0000</resolved>
                                                    <fixVersion>3.2.0-rc2</fixVersion>
                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="1073364" author="xgen-internal-githook" created="Wed, 28 Oct 2015 21:05:52 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;martinbligh&apos;, u&apos;name&apos;: u&apos;Martin Bligh&apos;, u&apos;email&apos;: u&apos;mbligh@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21031&quot; title=&quot;Vectorize logOp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21031&quot;&gt;&lt;del&gt;SERVER-21031&lt;/del&gt;&lt;/a&gt;: Vectorize logOps&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/335333bccd09e8eb7d0184147eb1647200ce6711&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/335333bccd09e8eb7d0184147eb1647200ce6711&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1071567" author="xgen-internal-githook" created="Tue, 27 Oct 2015 14:30:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;martinbligh&apos;, u&apos;name&apos;: u&apos;Martin Bligh&apos;, u&apos;email&apos;: u&apos;mbligh@mongodb.com&apos;}
&lt;p&gt;Message: Revert &quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21031&quot; title=&quot;Vectorize logOp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21031&quot;&gt;&lt;del&gt;SERVER-21031&lt;/del&gt;&lt;/a&gt;: Vectorize logOps&quot;&lt;/p&gt;

&lt;p&gt;This reverts commit bc0704481b68db6d3116eb2692088f73759d776a.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/45bfa34b8b99237c16a839e5afa0df44c5fde15d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/45bfa34b8b99237c16a839e5afa0df44c5fde15d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1071449" author="xgen-internal-githook" created="Tue, 27 Oct 2015 13:09:29 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;martinbligh&apos;, u&apos;name&apos;: u&apos;Martin Bligh&apos;, u&apos;email&apos;: u&apos;mbligh@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21031&quot; title=&quot;Vectorize logOp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21031&quot;&gt;&lt;del&gt;SERVER-21031&lt;/del&gt;&lt;/a&gt;: Vectorize logOps&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bc0704481b68db6d3116eb2692088f73759d776a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bc0704481b68db6d3116eb2692088f73759d776a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1067921" author="martin.bligh" created="Thu, 22 Oct 2015 15:07:51 +0000"  >&lt;p&gt;insertMulti, and in the middle of converting writeCmd insert to do the same&lt;/p&gt;</comment>
                            <comment id="1067917" author="schwerin" created="Thu, 22 Oct 2015 15:05:05 +0000"  >&lt;p&gt;Yeah. How often are there multiple logops on the primary in the same WUOW? I can&apos;t think of any, given the current implementation of the higher level operations.&lt;/p&gt;</comment>
                            <comment id="1067902" author="martin.bligh" created="Thu, 22 Oct 2015 14:56:34 +0000"  >&lt;p&gt;As long as it&apos;s in the same WUOW, I believe it&apos;s OK?&lt;/p&gt;</comment>
                            <comment id="1067866" author="schwerin" created="Thu, 22 Oct 2015 14:50:46 +0000"  >&lt;p&gt;Under what circumstances might this be possible? The oplog write must occur atomically with the document write, today, which would seem to make this change pretty invasive.&lt;/p&gt;</comment>
                            <comment id="1066439" author="schwerin" created="Wed, 21 Oct 2015 01:14:17 +0000"  >&lt;p&gt;Can you add a little description please?&lt;/p&gt;</comment>
                            <comment id="1065953" author="xgen-internal-githook" created="Tue, 20 Oct 2015 17:50:29 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;martinbligh&apos;, u&apos;name&apos;: u&apos;Martin Bligh&apos;, u&apos;email&apos;: u&apos;mbligh@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-21031&quot; title=&quot;Vectorize logOp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-21031&quot;&gt;&lt;del&gt;SERVER-21031&lt;/del&gt;&lt;/a&gt;: Rename the function that doesn&apos;t create the oplog to something other than createOplog&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6e4c71f1d742439e1959fedc1b2177ddc9306fdb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6e4c71f1d742439e1959fedc1b2177ddc9306fdb&lt;/a&gt;&lt;/p&gt;</comment>
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