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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-66866] The range deleter waits between batches while holding the collection IX lock</title>
                <link>https://jira.mongodb.org/browse/SERVER-66866</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In order to obey the &lt;tt&gt;rangeDeleterBatchDelayMS&lt;/tt&gt; parameter, the range deleter &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d88a892d5b18035bd0f5393a42690e705c2007d7/src/mongo/db/s/range_deletion_util.cpp#L354&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;sleeps&lt;/a&gt; between batches. However, it is doing so while &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d88a892d5b18035bd0f5393a42690e705c2007d7/src/mongo/db/s/range_deletion_util.cpp#L314&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;under the collection lock&lt;/a&gt;. This means concurrent migrations (or rather anything that needs to take a strong lock) will block for up to that amount of time (default of &lt;a href=&quot;https://github.com/mongodb/mongo/blob/d88a892d5b18035bd0f5393a42690e705c2007d7/src/mongo/db/s/sharding_runtime_d_params.idl#L54&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;20ms&lt;/a&gt;). Instead, the wait should be happening after the lock is dropped.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2058281">SERVER-66866</key>
            <summary>The range deleter waits between batches while holding the collection IX lock</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="kaloian.manassiev@mongodb.com">Kaloian Manassiev</assignee>
                                    <reporter username="kaloian.manassiev@mongodb.com">Kaloian Manassiev</reporter>
                        <labels>
                    </labels>
                <created>Tue, 31 May 2022 08:41:23 +0000</created>
                <updated>Sun, 29 Oct 2023 21:37:33 +0000</updated>
                            <resolved>Tue, 31 May 2022 18:31:21 +0000</resolved>
                                                    <fixVersion>5.0.10</fixVersion>
                    <fixVersion>6.0.0-rc10</fixVersion>
                    <fixVersion>6.1.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="4606757" author="xgen-internal-githook" created="Fri, 10 Jun 2022 12:32:55 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Kaloian Manassiev&apos;, &apos;email&apos;: &apos;kaloian.manassiev@mongodb.com&apos;, &apos;username&apos;: &apos;kaloianm&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-66866&quot; title=&quot;The range deleter waits between batches while holding the collection IX lock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-66866&quot;&gt;&lt;del&gt;SERVER-66866&lt;/del&gt;&lt;/a&gt; Make the range deleter not sleep under collection lock&lt;/p&gt;

&lt;p&gt;(cherry picked from commit cec61a460e69c47e1bf0e455214f776c62053f53)&lt;br/&gt;
Branch: v6.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1937d9457f2f04ca865e983fdce5db6d014f1f73&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1937d9457f2f04ca865e983fdce5db6d014f1f73&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4595190" author="xgen-internal-githook" created="Sat, 4 Jun 2022 21:32:12 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Kaloian Manassiev&apos;, &apos;email&apos;: &apos;kaloian.manassiev@mongodb.com&apos;, &apos;username&apos;: &apos;kaloianm&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-66866&quot; title=&quot;The range deleter waits between batches while holding the collection IX lock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-66866&quot;&gt;&lt;del&gt;SERVER-66866&lt;/del&gt;&lt;/a&gt; Make the range deleter not sleep under collection lock&lt;/p&gt;

&lt;p&gt;(cherry picked from commit cec61a460e69c47e1bf0e455214f776c62053f53)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/bd0d8c22a35afbbc145a850900df0ddf56da597f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/bd0d8c22a35afbbc145a850900df0ddf56da597f&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4583961" author="xgen-internal-githook" created="Tue, 31 May 2022 17:41:49 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Kaloian Manassiev&apos;, &apos;email&apos;: &apos;kaloian.manassiev@mongodb.com&apos;, &apos;username&apos;: &apos;kaloianm&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-66866&quot; title=&quot;The range deleter waits between batches while holding the collection IX lock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-66866&quot;&gt;&lt;del&gt;SERVER-66866&lt;/del&gt;&lt;/a&gt; Make the range deleter not sleep under collection lock&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/cec61a460e69c47e1bf0e455214f776c62053f53&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/cec61a460e69c47e1bf0e455214f776c62053f53&lt;/a&gt;&lt;/p&gt;</comment>
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