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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <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-78703] Remove check in the analyzeShardKey command that expects number of orphaned documents &lt;= total number of documents</title>
                <link>https://jira.mongodb.org/browse/SERVER-78703</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://github.com/10gen/mongo/blob/f8e4be7f6da71f978b2aa9991febb4c7ad89c903/src/mongo/db/s/analyze_shard_key_cmd_util.cpp#L185-L187&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;This assertion&lt;/a&gt; checks that the number of orphaned documents for a collection is always at most equal to the total number of documents in the collection itself.&lt;/p&gt;

&lt;p&gt;The assertion must be removed because it is transiently allowed for the tracked number of orphaned docs to be greater than the number of documents actually contained in the collection. The reason behind that is that the number of orphaned documents is not decremented during a range deletion but only &lt;a href=&quot;https://github.com/mongodb/mongo/blob/09de358fb8fbbc1b2ed9010ad711c4f8e49149e7/src/mongo/db/s/balancer_stats_registry.cpp#L282&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;when it finishes&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;Example:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;Collection has 1K documents in total, all belonging to a single chunk being migrated off (numOrphans = 0, numDocs=1K)&lt;/li&gt;
	&lt;li&gt;Migration ends (numOrphans = 1K, numDocs=1K)&lt;/li&gt;
	&lt;li&gt;Range deletion starts (numOrphans = 1K, numDocs=1K)&lt;/li&gt;
	&lt;li&gt;Range deletion is ongoing, half orphans were deleted (numOrphans = 1K, numDocs=500)&lt;/li&gt;
	&lt;li&gt;Range deletion ends (numOrphans = 0, numDocs=0)&lt;/li&gt;
&lt;/ol&gt;
</description>
                <environment></environment>
        <key id="2384771">SERVER-78703</key>
            <summary>Remove check in the analyzeShardKey command that expects number of orphaned documents &lt;= total number of documents</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="13201">Fixed</resolution>
                                        <assignee username="cheahuychou.mao@mongodb.com">Cheahuychou Mao</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                    </labels>
                <created>Thu, 6 Jul 2023 10:58:56 +0000</created>
                <updated>Sun, 29 Oct 2023 21:19:11 +0000</updated>
                            <resolved>Fri, 7 Jul 2023 23:31:10 +0000</resolved>
                                                    <fixVersion>7.1.0-rc0</fixVersion>
                    <fixVersion>7.0.0-rc7</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5552042" author="xgen-internal-githook" created="Sat, 8 Jul 2023 00:05:47 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78703&quot; title=&quot;Remove check in the analyzeShardKey command that expects number of orphaned documents &amp;lt;= total number of documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78703&quot;&gt;&lt;del&gt;SERVER-78703&lt;/del&gt;&lt;/a&gt; Fix typos in analyze_shard_key.js&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 4aaa31e58960aa1e3340abb57b88dc0ee2dbb152)&lt;br/&gt;
Branch: v7.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1aed47df6f7b2027b7f7cb804a85270319310428&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1aed47df6f7b2027b7f7cb804a85270319310428&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5552041" author="xgen-internal-githook" created="Sat, 8 Jul 2023 00:05:44 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78703&quot; title=&quot;Remove check in the analyzeShardKey command that expects number of orphaned documents &amp;lt;= total number of documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78703&quot;&gt;&lt;del&gt;SERVER-78703&lt;/del&gt;&lt;/a&gt; Remove check in the analyzeShardKey command that expects number of orphaned documents &amp;lt;= total number of documents&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 74b77ed4017710c197913ece67de73d09fba578c)&lt;br/&gt;
Branch: v7.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d53bb216e819d33fabe97eb31def16bd6651d8fa&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d53bb216e819d33fabe97eb31def16bd6651d8fa&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5552020" author="xgen-internal-githook" created="Fri, 7 Jul 2023 23:26:20 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78703&quot; title=&quot;Remove check in the analyzeShardKey command that expects number of orphaned documents &amp;lt;= total number of documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78703&quot;&gt;&lt;del&gt;SERVER-78703&lt;/del&gt;&lt;/a&gt; Fix typos in analyze_shard_key.js&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4aaa31e58960aa1e3340abb57b88dc0ee2dbb152&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4aaa31e58960aa1e3340abb57b88dc0ee2dbb152&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5552017" author="xgen-internal-githook" created="Fri, 7 Jul 2023 23:23:54 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;mao.cheahuychou@gmail.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-78703&quot; title=&quot;Remove check in the analyzeShardKey command that expects number of orphaned documents &amp;lt;= total number of documents&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-78703&quot;&gt;&lt;del&gt;SERVER-78703&lt;/del&gt;&lt;/a&gt; Remove check in the analyzeShardKey command that expects number of orphaned documents &amp;lt;= total number of documents&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/74b77ed4017710c197913ece67de73d09fba578c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/74b77ed4017710c197913ece67de73d09fba578c&lt;/a&gt;&lt;/p&gt;</comment>
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