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    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-71612] Implement `mergeAllChunksOnShard` in the sharding catalog manager</title>
                <link>https://jira.mongodb.org/browse/SERVER-71612</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;It can happen for a shard to own several contiguous sequences of chunks for a given collection. In order to merge them, issuing single merge requests will result in bumping several times the shard version causing frequent routing table refreshes.&lt;/p&gt;

&lt;p&gt;Purpose of this ticket is to implement a &lt;tt&gt;mergeAllChunksOnShard&lt;/tt&gt; method on the sharding catalog manager that will take care of squashing at once all &quot;mergeable&quot; chunks a shard owns for a given collection and bump the shard versions accordingly. All of that needs to happen in a single transaction.&lt;/p&gt;
</description>
                <environment></environment>
        <key id="2194402">SERVER-71612</key>
            <summary>Implement `mergeAllChunksOnShard` in the sharding catalog manager</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="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                    </labels>
                <created>Thu, 24 Nov 2022 17:00:06 +0000</created>
                <updated>Sun, 29 Oct 2023 21:30:06 +0000</updated>
                            <resolved>Fri, 13 Jan 2023 15:59:07 +0000</resolved>
                                                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5111949" author="xgen-internal-githook" created="Fri, 13 Jan 2023 15:41:36 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Pierlauro Sciarelli&apos;, &apos;email&apos;: &apos;pierlauro.sciarelli@mongodb.com&apos;, &apos;username&apos;: &apos;pierlauro&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71612&quot; title=&quot;Implement `mergeAllChunksOnShard` in the sharding catalog manager&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71612&quot;&gt;&lt;del&gt;SERVER-71612&lt;/del&gt;&lt;/a&gt; Implement `mergeAllChunksOnShard` in the sharding catalog manager&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2b7dfba75e6f6c3b3302fdece322719e299ae43d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2b7dfba75e6f6c3b3302fdece322719e299ae43d&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2216240">SERVER-72278</issuekey>
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            <issuekey id="2216294">SERVER-72283</issuekey>
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