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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-50218] Change shard server and config server op observers to handle $v:2 delta updates</title>
                <link>https://jira.mongodb.org/browse/SERVER-50218</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The shard server op observer parses updates to config.cache.collections and config.rangeDeletions to maintain in-memory state about the routing table. See &lt;a href=&quot;https://github.com/mongodb/mongo/blob/47af7f4c26237857843aaa61728280d6de9fbe4d/src/mongo/db/s/shard_server_op_observer.cpp#L312&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;. This code will need to be changed to handle both the $v:1 update format and $v:2 update format.&lt;/p&gt;

&lt;p&gt;The config server op observer appears to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/47af7f4c26237857843aaa61728280d6de9fbe4d/src/mongo/db/s/config_server_op_observer.cpp#L135&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;have logic&lt;/a&gt; which will need similar changes.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1436997">SERVER-50218</key>
            <summary>Change shard server and config server op observers to handle $v:2 delta updates</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="ian.boros@mongodb.com">Ian Boros</assignee>
                                    <reporter username="ian.boros@mongodb.com">Ian Boros</reporter>
                        <labels>
                    </labels>
                <created>Mon, 10 Aug 2020 15:40:05 +0000</created>
                <updated>Sun, 29 Oct 2023 22:04:37 +0000</updated>
                            <resolved>Thu, 10 Sep 2020 16:04:59 +0000</resolved>
                                                    <fixVersion>4.7.0</fixVersion>
                                    <component>Querying</component>
                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3381392" author="xgen-internal-githook" created="Wed, 9 Sep 2020 03:07:07 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Ian Boros&apos;, &apos;email&apos;: &apos;ian.boros@mongodb.com&apos;, &apos;username&apos;: &apos;puppyofkosh&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-50218&quot; title=&quot;Change shard server and config server op observers to handle $v:2 delta updates&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-50218&quot;&gt;&lt;del&gt;SERVER-50218&lt;/del&gt;&lt;/a&gt; Change shard server and config server op observers to support $v:2 update oplog entries&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/cbb82fd1b270f84e544243acbba2cb3fed779c28&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/cbb82fd1b270f84e544243acbba2cb3fed779c28&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3330859" author="ian.boros" created="Mon, 10 Aug 2020 15:41:55 +0000"  >&lt;p&gt;We should make sure someone on sharding has a chance to review this.&lt;/p&gt;</comment>
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