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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-15057] RocksStorage: deadlock when dropping database with indexes</title>
                <link>https://jira.mongodb.org/browse/SERVER-15057</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;I saw rocks storage deadlock when trying to acquire RocksEngine::_entryMapMutex twice. Here is the call stack&lt;br/&gt;
...&lt;br/&gt;
#7  mongo::RocksEngine::getIndexColumnFamily at src/mongo/db/storage/rocks/rocks_engine.cpp:224&lt;br/&gt;
#8  mongo::RocksCollectionCatalogEntry::removeIndex at src/mongo/db/storage/rocks/rocks_collection_catalog_entry.cpp:121&lt;br/&gt;
#9  mongo::RocksEngine::_dropCollection_inlock at src/mongo/db/storage/rocks/rocks_engine.cpp:348&lt;br/&gt;
#10 mongo::RocksEngine::dropDatabase at src/mongo/db/storage/rocks/rocks_engine.cpp:188&lt;br/&gt;
...&lt;br/&gt;
In dropDatabase(), _entryMapMutex  is already acquired but in getIndexColumnFamily() it tries to acquire _entryMapMutex agin.&lt;/p&gt;</description>
                <environment></environment>
        <key id="155141">SERVER-15057</key>
            <summary>RocksStorage: deadlock when dropping database with indexes</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</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="kaloian.manassiev@mongodb.com">Kaloian Manassiev</assignee>
                                    <reporter username="sdong">Siying Dong</reporter>
                        <labels>
                            <label>community-team</label>
                            <label>pull-request</label>
                    </labels>
                <created>Wed, 27 Aug 2014 19:18:21 +0000</created>
                <updated>Tue, 28 Apr 2015 20:04:48 +0000</updated>
                            <resolved>Fri, 5 Sep 2014 20:18:30 +0000</resolved>
                                                    <fixVersion>2.7.7</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="712763" author="xgen-internal-githook" created="Fri, 5 Sep 2014 20:16:12 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;siying&apos;, u&apos;name&apos;: u&apos;sdong&apos;, u&apos;email&apos;: u&apos;siying.d@fb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15057&quot; title=&quot;RocksStorage: deadlock when dropping database with indexes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15057&quot;&gt;&lt;del&gt;SERVER-15057&lt;/del&gt;&lt;/a&gt; fix one potential deadlock in rocks storage when dropping database&lt;/p&gt;

&lt;p&gt;Closes #760&lt;/p&gt;

&lt;p&gt;Signed-off-by: Benety Goh &amp;lt;benety@mongodb.com&amp;gt;&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3e3732abb5306c881fd6d210e0e7d3c55bdb9c1d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3e3732abb5306c881fd6d210e0e7d3c55bdb9c1d&lt;/a&gt;&lt;/p&gt;</comment>
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                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="155421">SERVER-15085</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="156708">SERVER-15161</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="158488">SERVER-15271</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="157829">SERVER-15232</issuekey>
        </issuelink>
                            </outwardlinks>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="155109">SERVER-15055</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="143903">SERVER-14352</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="131787">SERVER-13635</issuekey>
        </issuelink>
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