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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-73404] commit queue is running out of memory during compile_unittests</title>
                <link>https://jira.mongodb.org/browse/SERVER-73404</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Two cases we have seen the commit queue running out memory. The unittest source files are rather memory intensive, in the 4-5 GB range. With a j36 build, its entirely possible to OOM from compiles.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://mongodb.slack.com/archives/CR8SNBY0N/p1673629687704179&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;slack thread 1&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://evergreen.mongodb.com/task/mongodb_mongo_master_commit_queue_compile_unittests_patch_adc7b639077a0b057ea15708bc72d459cfaa9219_63c177b2c9ec446ba2a7829d_23_01_13_15_58_18/0?type=T&amp;amp;text=true&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;task 1&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://mongodb.slack.com/archives/C0V896UV8/p1674812801330409&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;slack thread 2&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://evergreen.mongodb.com/task/mongodb_mongo_master_commit_queue_compile_unittests_patch_1c38cfa4a24055d6804a5fac121cddd29b4e8c3a_63d390a6a4cf475cc28783e3_23_01_27_08_59_04&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;task 2&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;We may need to reduce j for this build, or create a jlink like option for unittest compile jobs. Another consideration is turning off GDB_INDEX which increase the link jobs by several GBs, although in the cases mentioned it seems unittest compile jobs are the main culprit.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2245575">SERVER-73404</key>
            <summary>commit queue is running out of memory during compile_unittests</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="daniel.moody@mongodb.com">Daniel Moody</assignee>
                                    <reporter username="daniel.moody@mongodb.com">Daniel Moody</reporter>
                        <labels>
                    </labels>
                <created>Fri, 27 Jan 2023 16:15:47 +0000</created>
                <updated>Sun, 29 Oct 2023 21:27:14 +0000</updated>
                            <resolved>Tue, 7 Feb 2023 14:40:28 +0000</resolved>
                                                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>8</watches>
                                                                                                                <comments>
                            <comment id="5173118" author="xgen-internal-githook" created="Tue, 7 Feb 2023 06:52:04 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Daniel Moody&apos;, &apos;email&apos;: &apos;daniel.moody@mongodb.com&apos;, &apos;username&apos;: &apos;dmoody256&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-73404&quot; title=&quot;commit queue is running out of memory during compile_unittests&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-73404&quot;&gt;&lt;del&gt;SERVER-73404&lt;/del&gt;&lt;/a&gt; added task limiter tool to limit concurrency&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/ef3ad37a33f38df9b20510c1c33510b0ceee8438&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/ef3ad37a33f38df9b20510c1c33510b0ceee8438&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5147269" author="JIRAUSER1268551" created="Fri, 27 Jan 2023 21:52:49 +0000"  >&lt;p&gt;If it is just a few unit test files we can also drive down the memory usage for those files?&lt;/p&gt;</comment>
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