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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-50537] Create alternative gdb string pretty printer.</title>
                <link>https://jira.mongodb.org/browse/SERVER-50537</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Dynamic builds being the default in our testing has left us in the unfortunate position that barring some investigation and insight, coredumps can no longer be freely inspected. The standard pretty printers that get installed for (certain) strings will peg the CPU and consume all the memory when inspecting a mongod process.&lt;/p&gt;

&lt;p&gt;The problematic invocation is &lt;tt&gt;gdb.lookup_type&lt;/tt&gt; for &lt;tt&gt;std::_&lt;em&gt;cxx11::string&lt;/tt&gt; and &lt;tt&gt;std::&lt;/em&gt;_cxx11::wstring&lt;/tt&gt;.&lt;/p&gt;

&lt;p&gt;The ideal outcome of this ticket is two-fold:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;Create a custom pretty printer for std::string objects that avoid calling &lt;tt&gt;gdb.lookup_type&lt;/tt&gt; on the aforementioned problematic types.&lt;/li&gt;
	&lt;li&gt;Create a (literal) patch snippet that can be applied to the mongodb toolchain &lt;tt&gt;libstdcxx/v6/printers.py&lt;/tt&gt; file which disables the problematic printers &lt;a href=&quot;https://github.com/gcc-mirror/gcc/blob/master/libstdc%2B%2B-v3/python/libstdcxx/v6/printers.py#L1731-L1732&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;registered here&lt;/a&gt;. Add this snippet into &lt;tt&gt;buildscripts/setup_spawnhost_coredump&lt;/tt&gt;.&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="1452112">SERVER-50537</key>
            <summary>Create alternative gdb string pretty printer.</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="1" iconUrl="https://jira.mongodb.org/images/icons/statuses/open.png" description="">Open</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-servicearch">Backlog - Service Architecture</assignee>
                                    <reporter username="daniel.gottlieb@mongodb.com">Daniel Gottlieb</reporter>
                        <labels>
                    </labels>
                <created>Tue, 25 Aug 2020 19:50:23 +0000</created>
                <updated>Thu, 25 Jan 2024 05:31:15 +0000</updated>
                                                                            <component>Testing Infrastructure</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4539994" author="steven.vannelli" created="Tue, 10 May 2022 21:33:08 +0000"  >&lt;p&gt;Moving this ticket to the Backlog and removing the &quot;Backlog&quot; fixVersion as per our latest policy for using fixVersions. &lt;/p&gt;</comment>
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