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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-62269] Optimize balancer configuration refresh</title>
                <link>https://jira.mongodb.org/browse/SERVER-62269</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The&#160;&lt;tt&gt;PeriodicBalancerConfigRefresher&lt;/tt&gt; is performing &lt;a href=&quot;https://github.com/mongodb/mongo/blob/ebe76b776d7f183d8d7d0df9db860abe273b8aad/src/mongo/s/balancer_configuration.cpp#L186-L198&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;3 reads&lt;/a&gt; from the config server in order to refresh the balancer state, the max chunk size and the auto splitter state.&lt;/p&gt;

&lt;p&gt;Objective of this ticket is to perform only 1 query instead of sending 3 requests over the network.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1956284">SERVER-62269</key>
            <summary>Optimize balancer configuration refresh</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="backlog-server-sharding-emea">[DO NOT USE] Backlog - Sharding EMEA</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                    </labels>
                <created>Fri, 24 Dec 2021 11:34:11 +0000</created>
                <updated>Tue, 6 Dec 2022 00:42:19 +0000</updated>
                            <resolved>Thu, 30 Dec 2021 12:44:22 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="4270882" author="kaloian.manassiev" created="Thu, 30 Dec 2021 12:44:22 +0000"  >&lt;p&gt;While this is a good performance optimisation, the calls against the config server are happening very rare and they are really cheap. Since we have not heard any complains from customers around that area, I am going to close it as won&apos;t do.&lt;/p&gt;</comment>
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