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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-11081] Disable top chunk split optimization for hashed sharding</title>
                <link>https://jira.mongodb.org/browse/SERVER-11081</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Using a hashed shard key, we should not be doing the 100/0 split on the maxKey range.  Doing so means that we split it unevenly and thus its turn to split will happen again on the larger portion of it, and then when maxKey chunk fills again, it will again be split &quot;unevenly&quot;.&lt;/p&gt;

&lt;p&gt;Since a lot of the times balancing will be disabled with hashed shard key (since gross uneven distribution of chunks is not likely) you may end up with shard having maxKey chunk with very large number of chunks (though generally the same number of overall documents).&lt;/p&gt;</description>
                <environment></environment>
        <key id="93249">SERVER-11081</key>
            <summary>Disable top chunk split optimization for hashed sharding</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>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="9">Done</resolution>
                                        <assignee username="backlog-server-sharding-emea">[DO NOT USE] Backlog - Sharding EMEA</assignee>
                                    <reporter username="asya.kamsky@mongodb.com">Asya Kamsky</reporter>
                        <labels>
                            <label>RachitaD</label>
                            <label>ShardingRoughEdges</label>
                            <label>sharding-common-backlog</label>
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                <created>Tue, 8 Oct 2013 16:13:29 +0000</created>
                <updated>Mon, 5 Dec 2022 20:32:06 +0000</updated>
                            <resolved>Wed, 23 Nov 2022 23:36:40 +0000</resolved>
                                    <version>2.4.6</version>
                                                    <component>Sharding</component>
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                                    <watches>2</watches>
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