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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-55521] Mongo 3.6.17+ support on RHEL 8.0 support gaps</title>
                <link>https://jira.mongodb.org/browse/SERVER-55521</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Hi Team,&lt;/p&gt;

&lt;p&gt;In&#160;&lt;a href=&quot;https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fjira.mongodb.org%2Fbrowse%2FSERVER-54805&amp;amp;data=04%7C01%7Cveramasu%40hcl.com%7Cdea82d8412004a7098f008d8eefb3aa8%7C189de737c93a4f5a8b686f4ca9941912%7C0%7C0%7C637522110098447621%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;amp;sdata=BBVLJzLRA6i6j2gsDWX2nUGeZfLfAyT7WY%2FrtpM%2FWHI%3D&amp;amp;reserved=0&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;SERVER-54805&lt;/a&gt;, we explained the issue where we are seeing frequent issue with SECONDARY member getting unresponsive.&#160;&lt;br/&gt;
&#160;&lt;br/&gt;
Since we are not having clue why it worked in CentOS7 and not working well in centOS8, we have been trying hard to check what could be the differences.&#160; we upgraded the glibc package and it delayed the issue in 2 runs. we used to see SEC issue in 6-12 hrs of run but with the latest glibc we see its holding good for 2 days but it didnt solve the problem.&#160;&lt;br/&gt;
&#160;&lt;br/&gt;
But as part of the RHEL 8.0 support, mongo has changed the evergreen.yaml and added&#160;&lt;b&gt;scons_cache_scope: shared&lt;/b&gt;&#160;instead of&#160;&lt;b&gt;use_scons_cache: true.&lt;/b&gt;&#160;But i dont see any reference of&#160;&lt;b&gt;scons_cache_scope&lt;/b&gt;&#160;in the mongo 3.6 build code/script that parses. The&#160;&lt;b&gt;scons_cache_scope relevent&lt;/b&gt;&#160;code are only in 4.x releases.&#160;&lt;br/&gt;
&#160;&lt;br/&gt;
So wondering if there are any gaps in the compilation of the mongo in RHEL itself.&#160; please see the code-diff.&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/76dc06194037bee31b6eedb168f553be354b1a3c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/76dc06194037bee31b6eedb168f553be354b1a3c&lt;/a&gt;&lt;br/&gt;
&#160;&lt;br/&gt;
&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1659249">SERVER-55521</key>
            <summary>Mongo 3.6.17+ support on RHEL 8.0 support gaps</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="edwin.zhou@mongodb.com">Edwin Zhou</assignee>
                                    <reporter username="veramasu@hcl.com">venkataramans rama</reporter>
                        <labels>
                    </labels>
                <created>Thu, 25 Mar 2021 17:21:51 +0000</created>
                <updated>Wed, 31 Mar 2021 21:46:35 +0000</updated>
                            <resolved>Wed, 31 Mar 2021 21:33:10 +0000</resolved>
                                                                    <component>Packaging</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="3695070" author="JIRAUSER1257066" created="Wed, 31 Mar 2021 21:33:03 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=veramasu%40hcl.com&quot; class=&quot;user-hover&quot; rel=&quot;veramasu@hcl.com&quot;&gt;veramasu@hcl.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;The use of &lt;tt&gt;scons_cache_scope&lt;/tt&gt; on MongoDB 3.6 is to enable functionality that doesn&apos;t actually exist in MongoDB 3.6, so we expect that flag to be harmless and should have no effect on the build. &lt;/p&gt;

&lt;p&gt;I&apos;ve also noticed that you&apos;re already engaged in &lt;a href=&quot;https://developer.mongodb.com/community/forums/t/ldd-difference-between-rhel-7-and-8-for-mongo-3-6-17-above/100522&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;a discussion with our community&lt;/a&gt;. As this ticket does not appear to be a bug report, I will now close it and I encourage you to continue your discussion with our community.&lt;/p&gt;

&lt;p&gt;We will find it extremely helpful if you&apos;re able to reproduce the behavior described in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54805&quot; title=&quot;Mongo become unresponsive, Spike in Connections and FD&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54805&quot;&gt;&lt;del&gt;SERVER-54805&lt;/del&gt;&lt;/a&gt; in MongoDB 4.0. If you are able to upgrade, we invite you to share your findings in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54805&quot; title=&quot;Mongo become unresponsive, Spike in Connections and FD&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54805&quot;&gt;&lt;del&gt;SERVER-54805&lt;/del&gt;&lt;/a&gt;, and we will be happy to reopen that ticket and resume our investigation.&lt;/p&gt;

&lt;p&gt;Kindly,&lt;br/&gt;
Edwin&lt;/p&gt;</comment>
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