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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-60921] Simplify and optimise the logic of BalancerCommandsScheduler</title>
                <link>https://jira.mongodb.org/browse/SERVER-60921</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This is a follow-up ticket to address feedback collected in previous core reviews. The list includes:&lt;/p&gt;

&lt;ol&gt;
	&lt;li&gt;minimise the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/s/balancer/balancer_commands_scheduler_impl.cpp#L477-L478&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;write operations to the recovery collections&lt;/a&gt; that require waitForMajority&lt;/li&gt;
	&lt;li&gt;reduce the memory footprint of the state held by the scheduler&lt;/li&gt;
	&lt;li&gt;get rid of the &lt;tt&gt;_startStopMutex&lt;/tt&gt;, as synchronisation between initialisation and shutdown routines are already guaranteed by upper level components&lt;/li&gt;
&lt;/ol&gt;
</description>
                <environment></environment>
        <key id="1906343">SERVER-60921</key>
            <summary>Simplify and optimise the logic of BalancerCommandsScheduler</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="paolo.polato@mongodb.com">Paolo Polato</assignee>
                                    <reporter username="paolo.polato@mongodb.com">Paolo Polato</reporter>
                        <labels>
                    </labels>
                <created>Fri, 22 Oct 2021 08:30:44 +0000</created>
                <updated>Sun, 29 Oct 2023 21:47:03 +0000</updated>
                            <resolved>Thu, 11 Nov 2021 23:15:08 +0000</resolved>
                                    <version>Backlog</version>
                                    <fixVersion>5.2.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4184532" author="xgen-internal-githook" created="Thu, 11 Nov 2021 23:13:21 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Paolo Polato&apos;, &apos;email&apos;: &apos;paolo.polato@mongodb.com&apos;, &apos;username&apos;: &apos;ppolato&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-60921&quot; title=&quot;Simplify and optimise the logic of BalancerCommandsScheduler&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-60921&quot;&gt;&lt;del&gt;SERVER-60921&lt;/del&gt;&lt;/a&gt; Simplify and optimise the BalancerCommandsScheduler&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bf817cb2c73a75eb51c5ff7de327b6d2cdeccbef&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bf817cb2c73a75eb51c5ff7de327b6d2cdeccbef&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4170567" author="JIRAUSER1259531" created="Thu, 4 Nov 2021 22:24:06 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=tommaso.tocci&quot; class=&quot;user-hover&quot; rel=&quot;tommaso.tocci&quot;&gt;tommaso.tocci&lt;/a&gt; I am about to re-open the PR - I would prefer the changeset to go into master before proceeding with the switch to the &lt;tt&gt;future&lt;/tt&gt; library, as I believe that this would ease the task.&lt;/p&gt;</comment>
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