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            <title>[SERVER-4756] mongos should be a smarter load balancer</title>
                <link>https://jira.mongodb.org/browse/SERVER-4756</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The mongos currently does very basic round robin query distribution across replica secondaries.  Due to degraded hardware, we sometimes have replicas which answer queries much slower than other replicas, and ideally the mongos should that and balance appropriately.&lt;/p&gt;</description>
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        <key id="29035">SERVER-4756</key>
            <summary>mongos should be a smarter load balancer</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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>
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                                    <resolution id="9">Done</resolution>
                                        <assignee username="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="hoffrocket">Jon Hoffman</reporter>
                        <labels>
                            <label>lamont-triage</label>
                            <label>mongos</label>
                            <label>performance</label>
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                <created>Tue, 24 Jan 2012 17:44:02 +0000</created>
                <updated>Tue, 6 Dec 2022 05:37:31 +0000</updated>
                            <resolved>Fri, 5 Nov 2021 15:34:44 +0000</resolved>
                                    <version>2.0.2</version>
                                                    <component>Sharding</component>
                                        <votes>2</votes>
                                    <watches>9</watches>
                                                                                                                <comments>
                            <comment id="4171793" author="lamont.nelson" created="Fri, 5 Nov 2021 15:34:44 +0000"  >&lt;p&gt;server selection algorithm takes latency into account.&lt;/p&gt;</comment>
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