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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-85135] Create Replication Glossary / Dictionary</title>
                <link>https://jira.mongodb.org/browse/SERVER-85135</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Task to create a Replication Glossary / Dictionary of Terms in Wiki:&lt;/p&gt;

&lt;p&gt;Examples of terms to define:&lt;/p&gt;
&lt;blockquote&gt;&lt;p&gt;&lt;b&gt;Replication&lt;/b&gt;&#160;- Concept of keeping multiple copies of your data&lt;br/&gt;
&lt;b&gt;Availability&lt;/b&gt;&#160;-&#160;Concept in event server goes down, still access data&#160;&lt;br/&gt;
&lt;b&gt;&#8220;Durable Replica Set&#8221; -&lt;/b&gt;&#160;Failover can take place quick, no seconds will be lost (as if nothing has happened)&#160;&lt;br/&gt;
&lt;b&gt;Standalone Node&lt;/b&gt;&#160;- System with 1 server only&#160;&lt;br/&gt;
&lt;b&gt;Replica Set&lt;/b&gt;&#160;- Group of nodes (mongod) with copies of same dat. Primary node handles primary interaction and secondary sync via asych mechanism&#160;&lt;br/&gt;
&lt;b&gt;Failover&lt;/b&gt;&#160;- When primary nodes goes down, a secondary node takes over as primary&#160;&lt;br/&gt;
&lt;b&gt;Election&lt;/b&gt;&#160;- When secondary nodes elect which node will be the primary node in a failover&#160;&lt;br/&gt;
&lt;b&gt;rolling upgrade:&lt;/b&gt;&#160;start the secondaries first, bring them back up, step down primary, then update primary to maintain availability&#160;&lt;br/&gt;
&lt;b&gt;Sync source:&lt;/b&gt;&#160;who are you syncing from. The primary or secondary (in chaining)&lt;br/&gt;
&lt;b&gt;Raft:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;Arbiters / P-S-A:&lt;/b&gt;&#160;Node that holds no data, vote in election, cannot be primary&lt;br/&gt;
&lt;b&gt;Write Concern:&lt;/b&gt;&#160;&lt;br/&gt;
&lt;b&gt;Read Concern:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;enableMajorityReadConcern (eMRC=false)&#160;:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;Planned Elections:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;Unplanned Elections:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;Priority Takeover:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;Catchup&#160;Takeover:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;OpLog:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;Heartbeats:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;Initial Sync:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;Rollbacks:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;Transactions:&lt;/b&gt;&lt;br/&gt;
&lt;b&gt;Retryable writes:&lt;/b&gt;&lt;/p&gt;&lt;/blockquote&gt;
&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1788473">SERVER-85135</key>
            <summary>Create Replication Glossary / Dictionary</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="alan.zheng@mongodb.com">Alan Zheng</assignee>
                                    <reporter username="elizabeth.roytburd@mongodb.com">Elizabeth Roytburd</reporter>
                        <labels>
                    </labels>
                <created>Thu, 17 Jun 2021 15:38:15 +0000</created>
                <updated>Fri, 12 Jan 2024 03:09:56 +0000</updated>
                            <resolved>Wed, 3 Jan 2024 15:09:54 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>1</watches>
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