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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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<item>
            <title>[SERVER-30263] Perform MinKey/MaxKey checking inside Chunk::shouldSplit, instead of taking minIsInf/maxIsInf parameters</title>
                <link>https://jira.mongodb.org/browse/SERVER-30263</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, checking whether a chunk contains the &lt;tt&gt;MinKey&lt;/tt&gt; or &lt;tt&gt;MaxKey&lt;/tt&gt; occurs outside of the &lt;tt&gt;Chunk::shouldSplit&lt;/tt&gt; function, inside &lt;tt&gt;cluster_write.cpp&lt;/tt&gt;.&lt;/p&gt;

&lt;p&gt;Instead, this check should be contained inside &lt;tt&gt;Chunk::shouldSplit&lt;/tt&gt; itself for better design, and so that we don&apos;t have to pass in extra parameters.&lt;/p&gt;</description>
                <environment></environment>
        <key id="406896">SERVER-30263</key>
            <summary>Perform MinKey/MaxKey checking inside Chunk::shouldSplit, instead of taking minIsInf/maxIsInf parameters</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="matthew.saltz@mongodb.com">Matthew Saltz</assignee>
                                    <reporter username="hugh.han">Hugh Han</reporter>
                        <labels>
                    </labels>
                <created>Fri, 21 Jul 2017 17:21:21 +0000</created>
                <updated>Tue, 29 May 2018 14:54:16 +0000</updated>
                            <resolved>Tue, 29 May 2018 14:54:16 +0000</resolved>
                                    <version>3.5.10</version>
                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1900200" author="matthew.saltz" created="Wed, 23 May 2018 22:12:00 +0000"  >&lt;p&gt;After looking at this usage, I disagree that it&apos;s worth doing as stated. For one, the minIsInf/maxIsInf flags are used inside cluster_write, even after the call to shouldSplit, so we&apos;d either need to compute these flags twice or return them from shouldSplit. Furthermore, shouldSplit actually doesn&apos;t even care which of minIsInf or maxIsInf is true, only whether at least one of them is true. If anything, we could change the signature of shouldSplit to take a single bool &apos;isExtremeChunk&apos; or something like that, though I don&apos;t know if that&apos;s worth doing, especially since all of this behavior relates to/is required by the top chunk optimization, which we may remove or re-implement on the shard. In either case, I&apos;m not sure that this small code change will still be relevant.&lt;/p&gt;</comment>
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