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    <title>MongoDB Jira</title>
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    <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-9588] graceful shutdown</title>
                <link>https://jira.mongodb.org/browse/SERVER-9588</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;the lack of graceful shutdown makes it is very easy today to get some data loss with a slow replication link.&lt;/p&gt;

&lt;p&gt;take the use case where you write with concern JOURNALED, you insert several thousands documents and you shutdown the primary node. in a configuration with  another node and an arbiter, the second node will become primary in a matter of seconds, and will start serving reading and writing clients.&lt;br/&gt;
by the time the old primary restarts and generates a rollback file, the new primary will have accepted numerous writes, some of them that will not be able to be merged with the rollback file (not even manually). not to mention that while the old primary is down, reading clients will get some state that is older than the state that was previously accepted.&lt;/p&gt;

&lt;p&gt;in the context of mongo, a graceful shutdown should &lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;disallow writes&lt;/li&gt;
	&lt;li&gt;wait for at least one another node to be up to date&lt;/li&gt;
	&lt;li&gt;step down&lt;/li&gt;
	&lt;li&gt;shutdown&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;as an example, I wrote MongoShutdown.java that takes care of gracefully shutting down a node in a topology with 2 nodes and an arbiter. I believe however, that this kind of service should be directly provided by the server.&lt;/p&gt;</description>
                <environment></environment>
        <key id="74300">SERVER-9588</key>
            <summary>graceful shutdown</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="v.sevel@lombardodier.com">Vincent Sevel</reporter>
                        <labels>
                    </labels>
                <created>Mon, 6 May 2013 08:49:37 +0000</created>
                <updated>Thu, 4 Sep 2014 20:42:12 +0000</updated>
                            <resolved>Thu, 4 Sep 2014 20:42:12 +0000</resolved>
                                                                    <component>Admin</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="335577" author="v.sevel@lombardodier.com" created="Tue, 14 May 2013 19:15:20 +0000"  >&lt;p&gt;after the step down is successful, I have to wait until the secondary is up to date (this might take some seconds), then only at that time can I shutdown the node.&lt;br/&gt;
coordinating these different actions in a gracefulShutdown() command would make sense, and allow users to simply stop the mongo service (ie: stop the windows service on windows) without fear of loosing some data.&lt;/p&gt;</comment>
                            <comment id="334986" author="eliot" created="Tue, 14 May 2013 01:42:23 +0000"  >&lt;p&gt;See my comment on &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-9589&quot; title=&quot;semi-automatic new primary election / graceful shutdown of replica sets&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-9589&quot;&gt;&lt;del&gt;SERVER-9589&lt;/del&gt;&lt;/a&gt;, I think stepDown already does what you want.&lt;/p&gt;</comment>
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