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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>[CDRIVER-3549] Evergreen macOS time sensitive tests failing</title>
                <link>https://jira.mongodb.org/browse/CDRIVER-3549</link>
                <project id="10030" key="CDRIVER">C Driver</project>
                    <description>&lt;p&gt;Between Feb 12th and Feb 18th 2020 tests on macOS started failing. I.e. between these two commits:&lt;br/&gt;
&lt;a href=&quot;https://evergreen.mongodb.com/version/mongo_c_driver_6cd21d27864ae7058f9db8d1ba1132ee440fe804&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://evergreen.mongodb.com/version/mongo_c_driver_6cd21d27864ae7058f9db8d1ba1132ee440fe804&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://evergreen.mongodb.com/version/mongo_c_driver_e69fd8960da6c11ef2ac22b662218da4e7cd3692&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://evergreen.mongodb.com/version/mongo_c_driver_e69fd8960da6c11ef2ac22b662218da4e7cd3692&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Tests that are time sensitive frequently fail:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;/Thread/cond_wait&lt;/li&gt;
	&lt;li&gt;/Topology/try_once/succeed&lt;/li&gt;
	&lt;li&gt;/Topology/connect_timeout/succeed&lt;/li&gt;
	&lt;li&gt;/Sleep/basic&lt;/li&gt;
	&lt;li&gt;/server_discovery_and_monitoring/monitoring/heartbeat/pooled/failed&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;I believe this is due to an environment change in Evergreen, but I have yet to determine what environment change is relevant, and whether there is a better workaround aside from increasing the timeouts/skipping the tests.&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Observations&lt;/b&gt;&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;The test /Thread/cond_wait is a very isolated test. That simply checks that calling &lt;tt&gt;mongoc_cond_timedwait&lt;/tt&gt; with a 100ms timeout returns within 150ms. It now almost always fails due to returning after 150ms.&lt;/li&gt;
	&lt;li&gt;Similar failures were observed in &lt;a href=&quot;https://jira.mongodb.org/browse/CDRIVER-3520&quot; title=&quot;Remove macOS from Travis testing&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CDRIVER-3520&quot;&gt;&lt;del&gt;CDRIVER-3520&lt;/del&gt;&lt;/a&gt; on Travis.&lt;/li&gt;
	&lt;li&gt;Though the overall task runtime seems to have increased significantly (from ~4min to ~20min), most of the time in the failure is spent stuck in uploading, not running tests. The test runtime does not seem to be much longer.&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="1179743">CDRIVER-3549</key>
            <summary>Evergreen macOS time sensitive tests failing</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="13203">Gone away</resolution>
                                        <assignee username="kevin.albertson@mongodb.com">Kevin Albertson</assignee>
                                    <reporter username="kevin.albertson@mongodb.com">Kevin Albertson</reporter>
                        <labels>
                            <label>flaky-tests</label>
                    </labels>
                <created>Sun, 23 Feb 2020 18:53:10 +0000</created>
                <updated>Fri, 27 Oct 2023 19:50:19 +0000</updated>
                            <resolved>Fri, 29 Sep 2023 18:59:23 +0000</resolved>
                                                                    <component>tests</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="5741688" author="xgen-internal-githook" created="Fri, 29 Sep 2023 18:59:11 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Kevin Albertson&apos;, &apos;email&apos;: &apos;kevin.albertson@mongodb.com&apos;, &apos;username&apos;: &apos;kevinAlbs&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CDRIVER-3549&quot; title=&quot;Evergreen macOS time sensitive tests failing&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CDRIVER-3549&quot;&gt;&lt;del&gt;CDRIVER-3549&lt;/del&gt;&lt;/a&gt; remove unused `test_framework_skip_if_time_sensitive` (#1415)&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-c-driver/commit/fc8d79a5869d8ed7d8d924c96106539c7f960337&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-c-driver/commit/fc8d79a5869d8ed7d8d924c96106539c7f960337&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3147842" author="xgen-internal-githook" created="Sun, 31 May 2020 03:43:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Kevin Albertson&apos;, &apos;email&apos;: &apos;kevin.albertson@mongodb.com&apos;, &apos;username&apos;: &apos;kevinAlbs&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CDRIVER-3549&quot; title=&quot;Evergreen macOS time sensitive tests failing&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CDRIVER-3549&quot;&gt;&lt;del&gt;CDRIVER-3549&lt;/del&gt;&lt;/a&gt; macOS skip time sensitive tests&lt;/p&gt;

&lt;p&gt;And remove nohup from mongo-orchestration start&lt;br/&gt;
Branch: r1.16&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-c-driver/commit/3ae44c4e8021c4c106683ad7b03bedebadb1f07a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-c-driver/commit/3ae44c4e8021c4c106683ad7b03bedebadb1f07a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2905918" author="xgen-internal-githook" created="Mon, 24 Feb 2020 20:43:29 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Kevin Albertson&apos;, &apos;username&apos;: &apos;kevinAlbs&apos;, &apos;email&apos;: &apos;kevin.albertson@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CDRIVER-3549&quot; title=&quot;Evergreen macOS time sensitive tests failing&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CDRIVER-3549&quot;&gt;&lt;del&gt;CDRIVER-3549&lt;/del&gt;&lt;/a&gt; macOS skip time sensitive tests&lt;/p&gt;

&lt;p&gt;And remove nohup from mongo-orchestration start&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-c-driver/commit/22a9b02f18920e9a9f4de95f81204f8586cc597f&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-c-driver/commit/22a9b02f18920e9a9f4de95f81204f8586cc597f&lt;/a&gt;&lt;/p&gt;</comment>
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