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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-14412] Concurrency API</title>
                <link>https://jira.mongodb.org/browse/SERVER-14412</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description></description>
                <environment></environment>
        <key id="144893">SERVER-14412</key>
            <summary>Concurrency API</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="9">Done</resolution>
                                        <assignee username="eliot">Eliot Horowitz</assignee>
                                    <reporter username="ian@mongodb.com">Ian Whalen</reporter>
                        <labels>
                    </labels>
                <created>Tue, 1 Jul 2014 18:14:06 +0000</created>
                <updated>Thu, 2 Aug 2018 21:21:26 +0000</updated>
                            <resolved>Thu, 16 Oct 2014 22:15:42 +0000</resolved>
                                                    <fixVersion>2.7.8</fixVersion>
                                    <component>Concurrency</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="749101" author="xgen-internal-githook" created="Mon, 27 Oct 2014 12:57:29 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;erh&apos;, u&apos;name&apos;: u&apos;Eliot Horowitz&apos;, u&apos;email&apos;: u&apos;eliot@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-14412&quot; title=&quot;Concurrency API&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-14412&quot;&gt;&lt;del&gt;SERVER-14412&lt;/del&gt;&lt;/a&gt;: make multi-update use collection intent locks&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/8713e23181b9c702681bf4667475078bdaf39c46&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/8713e23181b9c702681bf4667475078bdaf39c46&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="722065" author="xgen-internal-githook" created="Thu, 18 Sep 2014 16:16:31 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kaloianm&apos;, u&apos;name&apos;: u&apos;Kaloian Manassiev&apos;, u&apos;email&apos;: u&apos;kaloian.manassiev@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-14412&quot; title=&quot;Concurrency API&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-14412&quot;&gt;&lt;del&gt;SERVER-14412&lt;/del&gt;&lt;/a&gt; Fix the read lock assertion logic&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/97c7dc7fd949d77c13e5a9a70559376adf36df2e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/97c7dc7fd949d77c13e5a9a70559376adf36df2e&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="721398" author="xgen-internal-githook" created="Wed, 17 Sep 2014 22:33:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;erh&apos;, u&apos;name&apos;: u&apos;Eliot Horowitz&apos;, u&apos;email&apos;: u&apos;eliot@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-14412&quot; title=&quot;Concurrency API&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-14412&quot;&gt;&lt;del&gt;SERVER-14412&lt;/del&gt;&lt;/a&gt;: fix some collection intent issues&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/b66a9da4ec5f345f35ed637a8df34f9fe7be9f11&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/b66a9da4ec5f345f35ed637a8df34f9fe7be9f11&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="721046" author="xgen-internal-githook" created="Wed, 17 Sep 2014 18:11:41 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kaloianm&apos;, u&apos;name&apos;: u&apos;Kaloian Manassiev&apos;, u&apos;email&apos;: u&apos;kaloian.manassiev@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-14412&quot; title=&quot;Concurrency API&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-14412&quot;&gt;&lt;del&gt;SERVER-14412&lt;/del&gt;&lt;/a&gt; Remove TempReleases from all DBRead paths in dbtest.exe&lt;/p&gt;

&lt;p&gt;We should never have TempRelease in DBRead paths.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/545c26b58fdcf5a725bdda6391937465cb1fd13a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/545c26b58fdcf5a725bdda6391937465cb1fd13a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="720935" author="xgen-internal-githook" created="Wed, 17 Sep 2014 16:57:11 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kaloianm&apos;, u&apos;name&apos;: u&apos;Kaloian Manassiev&apos;, u&apos;email&apos;: u&apos;kaloian.manassiev@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-14412&quot; title=&quot;Concurrency API&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-14412&quot;&gt;&lt;del&gt;SERVER-14412&lt;/del&gt;&lt;/a&gt; Beginnings of a collection-level locking API for non-MMAP V1 engines&lt;/p&gt;

&lt;p&gt;This commit adds capability to the storage engine to declare whether it&lt;br/&gt;
supports document-level locking or not. If document-level locking is not&lt;br/&gt;
supported, MongoDB will lock down to the collection level (not yet&lt;br/&gt;
implemented).&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/85e785fdce07dbb23b49220f4798f4627cf6af79&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/85e785fdce07dbb23b49220f4798f4627cf6af79&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="720934" author="xgen-internal-githook" created="Wed, 17 Sep 2014 16:57:10 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;kaloianm&apos;, u&apos;name&apos;: u&apos;Kaloian Manassiev&apos;, u&apos;email&apos;: u&apos;kaloian.manassiev@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-14412&quot; title=&quot;Concurrency API&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-14412&quot;&gt;&lt;del&gt;SERVER-14412&lt;/del&gt;&lt;/a&gt; Remove threadState from the public Locker API&lt;/p&gt;

&lt;p&gt;Also adds assertions that TempRelease is not used for anything other than&lt;br/&gt;
the global lock.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/c470db609c0ae232973e7b7cd5c3f98701964a2e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/c470db609c0ae232973e7b7cd5c3f98701964a2e&lt;/a&gt;&lt;/p&gt;</comment>
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