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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-3561] chunk size of 0 causes floating point exception</title>
                <link>https://jira.mongodb.org/browse/SERVER-3561</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;To reproduce, set up a mongos, config server, and shard, set chunkSize to 0, and enable sharding on a db.&lt;/p&gt;

&lt;p&gt;In master, caused by return rand() % ( MaxChunkSize / 5 ); in chunk.cpp: mkDataWritten()&lt;/p&gt;</description>
                <environment></environment>
        <key id="20757">SERVER-3561</key>
            <summary>chunk size of 0 causes floating point exception</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="brandon">Brandon Diamond</assignee>
                                    <reporter username="kristina">Kristina Chodorow</reporter>
                        <labels>
                    </labels>
                <created>Tue, 9 Aug 2011 17:30:33 +0000</created>
                <updated>Tue, 12 Jul 2016 00:20:11 +0000</updated>
                            <resolved>Wed, 5 Oct 2011 16:05:36 +0000</resolved>
                                                    <fixVersion>2.1.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="58610" author="brandon" created="Wed, 5 Oct 2011 16:05:36 +0000"  >&lt;p&gt;Aborts launch with --chunksize 0 and emits warning (&amp;amp; ignores) when chunksize set to 0 in settings collection.&lt;/p&gt;</comment>
                            <comment id="58609" author="auto" created="Wed, 5 Oct 2011 16:05:12 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;&apos;, u&apos;name&apos;: u&apos;Brandon Diamond&apos;, u&apos;email&apos;: u&apos;brandon@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-3561&quot; title=&quot;chunk size of 0 causes floating point exception&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-3561&quot;&gt;&lt;del&gt;SERVER-3561&lt;/del&gt;&lt;/a&gt;: validation to avoid chunksize 0&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/40abbe965482c99879017472fc14b458c3218897&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/40abbe965482c99879017472fc14b458c3218897&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="21112">SERVER-3628</issuekey>
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