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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-3522] Memory Leak in dbtests/perftests.cpp</title>
                <link>https://jira.mongodb.org/browse/SERVER-3522</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Issue based on post on GG&lt;/p&gt;

&lt;p&gt;Sentry found a couple new memory leaks today, introduced here: &lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7c8cfd9&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7c8cfd9&lt;/a&gt; &lt;br/&gt;
I know it&apos;s test code, but someone may be interested in cleaning it up anyway.  In dbtests/perftests.cpp, around line 180: &lt;br/&gt;
    DBClientConnection *c = new DBClientConnection(false, 0, 10); &lt;br/&gt;
    string err; &lt;br/&gt;
    if( c-&amp;gt;connect(&quot;mongo05.10gen.cust.cbici.net&quot;, err) ) { &lt;br/&gt;
        if( !c-&amp;gt;auth(&quot;perf&quot;, &quot;perf&quot;, pwd, err) ) &lt;/p&gt;
{ 
            cout &amp;lt;&amp;lt; &quot;info: authentication with stats db failed: &quot; &amp;lt;&amp;lt; 
err &amp;lt;&amp;lt; endl; 
            // XXX: c leaked on this path 
            assert(false); 
        }
&lt;p&gt; &lt;br/&gt;
        conn = c; &lt;br/&gt;
    } &lt;br/&gt;
    else &lt;/p&gt;
{ 
        cout &amp;lt;&amp;lt; err &amp;lt;&amp;lt; &quot; (to log perfstats)&quot; &amp;lt;&amp;lt; endl; 
        // XXX: c leaked on this path 
    }
&lt;p&gt; &lt;br/&gt;
I&apos;ve noted the two locations where the connection &apos;c&apos; is leaked in the above code (goes out of scope without being reassigned or deleted). Again, not a big deal if these are short-lived tests, but worth fixing if the tests are resource intensive. &lt;/p&gt;</description>
                <environment></environment>
        <key id="20431">SERVER-3522</key>
            <summary>Memory Leak in dbtests/perftests.cpp</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="matulef">Kevin Matulef</assignee>
                                    <reporter username="sridhar">Sridhar Nanjundeswaran</reporter>
                        <labels>
                    </labels>
                <created>Wed, 3 Aug 2011 02:30:26 +0000</created>
                <updated>Tue, 12 Jul 2016 00:20:14 +0000</updated>
                            <resolved>Wed, 7 Dec 2011 21:41:53 +0000</resolved>
                                                    <fixVersion>2.1.0</fixVersion>
                                    <component>Testing Infrastructure</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="599613" author="chris.sandulow" created="Wed, 28 May 2014 15:06:35 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=akshay&quot; class=&quot;user-hover&quot; rel=&quot;akshay&quot;&gt;akshay&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;FYI - Nessus still reporting on this; I am not sure what is using this database.&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;Version     : 2.2.1&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  Git version : d6764bf8dfe0685521b8bc7b98fd1fab8cfeb5ae&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;Port	Hosts&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;27017 / tcp / mongodb	&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;mongo05.10gen.cust.cbici.net&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;</comment>
                            <comment id="70562" author="auto" created="Fri, 2 Dec 2011 20:51:28 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;matulef&apos;, u&apos;name&apos;: u&apos;Kevin Matulef&apos;, u&apos;email&apos;: u&apos;matulef@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-3522&quot; title=&quot;Memory Leak in dbtests/perftests.cpp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-3522&quot;&gt;&lt;del&gt;SERVER-3522&lt;/del&gt;&lt;/a&gt; alternate (better) mem leak fix&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/5d8132786c6f6dd445c66779e94c4dfde3db6942&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/5d8132786c6f6dd445c66779e94c4dfde3db6942&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="70538" author="matulef" created="Fri, 2 Dec 2011 19:57:44 +0000"  >&lt;p&gt;Contributing a different fix using shared_ptr rather than delete.  &lt;/p&gt;</comment>
                            <comment id="70168" author="matulef" created="Thu, 1 Dec 2011 18:03:05 +0000"  >&lt;p&gt;My first commit.  &lt;/p&gt;</comment>
                            <comment id="70166" author="auto" created="Thu, 1 Dec 2011 17:59:07 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;login&apos;: u&apos;matulef&apos;, u&apos;name&apos;: u&apos;Kevin Matulef&apos;, u&apos;email&apos;: u&apos;matulef@gmail.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-3522&quot; title=&quot;Memory Leak in dbtests/perftests.cpp&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-3522&quot;&gt;&lt;del&gt;SERVER-3522&lt;/del&gt;&lt;/a&gt; fixed memory leak&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/385289545e6c6172bb1076fe6577a7920d823859&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/385289545e6c6172bb1076fe6577a7920d823859&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="70148" author="matulef" created="Thu, 1 Dec 2011 17:17:18 +0000"  >&lt;p&gt;Now deletes the connection c in the two places noted in the bug description.&lt;/p&gt;</comment>
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