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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-10430] Improve distribution of new chunks when creating hashed sharded collections</title>
                <link>https://jira.mongodb.org/browse/SERVER-10430</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When creating a new hashed collection, it will perform a presplit and move chunks to the other nodes. However, the move chunk command can fail for a couple of reasons:&lt;/p&gt;

&lt;p&gt;1. Migration already in progress on the donor.&lt;br/&gt;
2. Migration clean up is in progress on the destination shard.&lt;/p&gt;

&lt;p&gt;As a result, the initial chunks will be unbalanced. This would mean that the balancer would have to move them later on, which is not ideal since moving chunks of a hashed collection is slow.&lt;/p&gt;</description>
                <environment></environment>
        <key id="84629">SERVER-10430</key>
            <summary>Improve distribution of new chunks when creating hashed sharded collections</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="3">Duplicate</resolution>
                                        <assignee username="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="randolph@mongodb.com">Randolph Tan</reporter>
                        <labels>
                    </labels>
                <created>Sun, 4 Aug 2013 21:59:43 +0000</created>
                <updated>Tue, 6 Dec 2022 05:19:01 +0000</updated>
                            <resolved>Thu, 14 Jun 2018 18:51:59 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>1</votes>
                                    <watches>10</watches>
                                                                                                                <comments>
                            <comment id="406379" author="dan@10gen.com" created="Mon, 19 Aug 2013 15:45:03 +0000"  >&lt;p&gt;To actually fix this will require the ability to move multiple chunks at the same time.&lt;/p&gt;</comment>
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