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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-33406] Reduce concurrency for s390x compile and compile_all builds to avoid OOM failures</title>
                <link>https://jira.mongodb.org/browse/SERVER-33406</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;tt&gt;compile&lt;/tt&gt; and &lt;tt&gt;compile_all&lt;/tt&gt; Evergreen tasks has been failing intermittently due to one of the &lt;tt&gt;ld&lt;/tt&gt; processes being killed by OOM killer since Feb 2017. As a workaround&#8212;similar to what was done in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-29442&quot; title=&quot;Reduce concurrency for Solaris builds to avoid OOM failures&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-29442&quot;&gt;&lt;del&gt;SERVER-29442&lt;/del&gt;&lt;/a&gt; and &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-30516&quot; title=&quot;Reduce concurrency for Windows compile_all builds to avoid OOM failures&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-30516&quot;&gt;&lt;del&gt;SERVER-30516&lt;/del&gt;&lt;/a&gt;&#8212;we should reduce the value for the &lt;tt&gt;&amp;#45;&amp;#45;jobs&lt;/tt&gt; option specified to SCons when our s390x builders are running the &lt;tt&gt;compile&lt;/tt&gt; and &lt;tt&gt;compile_all&lt;/tt&gt; task to avoid further Evergreen failures. Given that an individual linker process may use &amp;gt;3.5GB of memory of 16GB total, we should prevent SCons from running more than 3 of them as the same time by specifying &lt;tt&gt;&amp;#45;j3&lt;/tt&gt; rather than &lt;tt&gt;-j$(grep -c ^processor /proc/cpuinfo)&lt;/tt&gt; or &lt;tt&gt;-j$(( $(grep -c ^processor /proc/cpuinfo) / 2 ))&lt;/tt&gt; in each build variant&apos;s &lt;tt&gt;${compile_flags&lt;/tt&gt;} expansion.&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;
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					&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;[2018/02/16 20:07:33.596] mci-exec  9539  3.3 22.5 3896412 3660772 ?     D    19:52   0:31 /opt/mongodbtoolchain/v2/lib/gcc/s390x-mongodb-linux/5.4.0/../../../../s390x-mongodb-linux/bin/ld @/tmp/ccoOHhDJ&lt;/span&gt;&lt;/pre&gt;
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						&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;[2018/02/16 20:07:33.596] mci-exec  9837  3.4 22.6 3896592 3685484 ?     D    19:52   0:31 /opt/mongodbtoolchain/v2/lib/gcc/s390x-mongodb-linux/5.4.0/../../../../s390x-mongodb-linux/bin/ld @/tmp/cc8EneGh&lt;/span&gt;&lt;/pre&gt;
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						&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;[2018/02/16 20:07:33.597] mci-exec 13693  5.0 22.2 3883392 3625496 ?     D    19:57   0:30 /opt/mongodbtoolchain/v2/lib/gcc/s390x-mongodb-linux/5.4.0/../../../../s390x-mongodb-linux/bin/ld @/tmp/ccLraHsk&lt;/span&gt;&lt;/pre&gt;
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					&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;[2018/02/16 20:07:33.597] mci-exec 14395  5.5 22.3 3885152 3640884 ?     D    19:58   0:30 /opt/mongodbtoolchain/v2/lib/gcc/s390x-mongodb-linux/5.4.0/../../../../s390x-mongodb-linux/bin/ld @/tmp/ccekp0ZZ&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;

&lt;p&gt;&lt;a href=&quot;https://evergreen.mongodb.com/task/mongodb_mongo_master_enterprise_ubuntu1604_s390x_compile_all_537e479caf3c6a2db67c0fa1c5d6769c9aea8786_01_01_01_00_00_00&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://evergreen.mongodb.com/task/mongodb_mongo_master_enterprise_ubuntu1604_s390x_compile_all_537e479caf3c6a2db67c0fa1c5d6769c9aea8786_01_01_01_00_00_00&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="500316">SERVER-33406</key>
            <summary>Reduce concurrency for s390x compile and compile_all builds to avoid OOM failures</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="13201">Fixed</resolution>
                                        <assignee username="ian@mongodb.com">Ian Whalen</assignee>
                                    <reporter username="max.hirschhorn@mongodb.com">Max Hirschhorn</reporter>
                        <labels>
                    </labels>
                <created>Tue, 20 Feb 2018 21:31:24 +0000</created>
                <updated>Sun, 29 Oct 2023 22:34:35 +0000</updated>
                            <resolved>Sun, 25 Feb 2018 19:30:26 +0000</resolved>
                                                    <fixVersion>3.4.14</fixVersion>
                    <fixVersion>3.6.4</fixVersion>
                    <fixVersion>3.7.3</fixVersion>
                                    <component>Build</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="1815981" author="xgen-internal-githook" created="Mon, 26 Feb 2018 15:19:20 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;ian.whalen@gmail.com&apos;, &apos;name&apos;: &apos;Ian Whalen&apos;, &apos;username&apos;: &apos;IanWhalen&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33406&quot; title=&quot;Reduce concurrency for s390x compile and compile_all builds to avoid OOM failures&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33406&quot;&gt;&lt;del&gt;SERVER-33406&lt;/del&gt;&lt;/a&gt; Reduce compile concurrency in s390x buildvariants&lt;br/&gt;
Branch: v3.6&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/cd452da61d5375983b5ccdd9965068f741f5191a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/cd452da61d5375983b5ccdd9965068f741f5191a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1815978" author="xgen-internal-githook" created="Mon, 26 Feb 2018 15:18:19 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;ian.whalen@gmail.com&apos;, &apos;name&apos;: &apos;Ian Whalen&apos;, &apos;username&apos;: &apos;IanWhalen&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33406&quot; title=&quot;Reduce concurrency for s390x compile and compile_all builds to avoid OOM failures&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33406&quot;&gt;&lt;del&gt;SERVER-33406&lt;/del&gt;&lt;/a&gt; Reduce compile concurrency in s390x buildvariants&lt;br/&gt;
Branch: v3.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/7e32d6883aa6b7c141e6dbf230879902dcf1d1fe&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/7e32d6883aa6b7c141e6dbf230879902dcf1d1fe&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1815416" author="xgen-internal-githook" created="Sun, 25 Feb 2018 19:29:43 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;ian.whalen@gmail.com&apos;, &apos;name&apos;: &apos;Ian Whalen&apos;, &apos;username&apos;: &apos;IanWhalen&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-33406&quot; title=&quot;Reduce concurrency for s390x compile and compile_all builds to avoid OOM failures&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-33406&quot;&gt;&lt;del&gt;SERVER-33406&lt;/del&gt;&lt;/a&gt; Reduce compile concurrency in s390x buildvariants&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/0a0597248fa8234414c07ec6cd5a4fef51169148&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/0a0597248fa8234414c07ec6cd5a4fef51169148&lt;/a&gt;&lt;/p&gt;</comment>
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