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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-48154] ident dropper should periodically yield Global IS lock</title>
                <link>https://jira.mongodb.org/browse/SERVER-48154</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If there are hundreds of idents to drop, the dropper can take 10 seconds or more, during which time stepdown and shutdown are blocked.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1348731">SERVER-48154</key>
            <summary>ident dropper should periodically yield Global IS lock</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="13201">Fixed</resolution>
                                        <assignee username="gregory.wlodarek@mongodb.com">Gregory Wlodarek</assignee>
                                    <reporter username="milkie@mongodb.com">Eric Milkie</reporter>
                        <labels>
                            <label>neweng</label>
                    </labels>
                <created>Tue, 12 May 2020 18:44:19 +0000</created>
                <updated>Sun, 29 Oct 2023 22:08:18 +0000</updated>
                            <resolved>Thu, 30 Jul 2020 05:02:49 +0000</resolved>
                                                    <fixVersion>4.7.0</fixVersion>
                    <fixVersion>4.4.2</fixVersion>
                                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>9</watches>
                                                                                                                <comments>
                            <comment id="3387688" author="xgen-internal-githook" created="Fri, 11 Sep 2020 16:56:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Gregory Wlodarek&apos;, &apos;email&apos;: &apos;gregory.wlodarek@mongodb.com&apos;, &apos;username&apos;: &apos;GWlodarek&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48154&quot; title=&quot;ident dropper should periodically yield Global IS lock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48154&quot;&gt;&lt;del&gt;SERVER-48154&lt;/del&gt;&lt;/a&gt; Ident reaper should periodically yield the global lock&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 34048207ba57b626063d3d940eb5f3ed65203039)&lt;br/&gt;
Branch: v4.4&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/425ca4de28d442a4d636fa55b1773567a0885d03&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/425ca4de28d442a4d636fa55b1773567a0885d03&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3313269" author="xgen-internal-githook" created="Thu, 30 Jul 2020 04:47:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Gregory Wlodarek&apos;, &apos;email&apos;: &apos;gregory.wlodarek@mongodb.com&apos;, &apos;username&apos;: &apos;GWlodarek&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48154&quot; title=&quot;ident dropper should periodically yield Global IS lock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48154&quot;&gt;&lt;del&gt;SERVER-48154&lt;/del&gt;&lt;/a&gt; Ident reaper should periodically yield the global lock&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/34048207ba57b626063d3d940eb5f3ed65203039&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/34048207ba57b626063d3d940eb5f3ed65203039&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3219573" author="milkie" created="Tue, 23 Jun 2020 14:47:14 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=shane.harvey&quot; class=&quot;user-hover&quot; rel=&quot;shane.harvey&quot;&gt;shane.harvey&lt;/a&gt; you can raise the timeout by choosing a longer secondaryCatchUpPeriodSecs parameter.  In &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48107&quot; title=&quot;Retry replSetStepDown in rollback_test.js &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48107&quot;&gt;&lt;del&gt;SERVER-48107&lt;/del&gt;&lt;/a&gt;, because force:true was being used, that wasn&apos;t an option.  I don&apos;t think this ticket is generally the cause of the timeouts in the driver tests.&lt;/p&gt;</comment>
                            <comment id="3218724" author="dmitry.lukyanov" created="Tue, 23 Jun 2020 00:54:38 +0000"  >&lt;p&gt;See this failed test for details:&#160; &lt;a href=&quot;https://evergreen.mongodb.com/task_log_raw/dot_net_driver_unsecure_tests__version~4.4_os~windows_64_topology~replicaset_auth~noauth_ssl~nossl_test_netstandard15_patch_297fcd723ff32aac47b7b018c978ec4baf0773d7_5ef14d1b32f4170a354b8a5a_20_06_23_00_30_45/0?type=T#L1721&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://evergreen.mongodb.com/task_log_raw/dot_net_driver_unsecure_tests__version~4.4_os~windows_64_topology~replicaset_auth~noauth_ssl~nossl_test_netstandard15_patch_297fcd723ff32aac47b7b018c978ec4baf0773d7_5ef14d1b32f4170a354b8a5a_20_06_23_00_30_45/0?type=T#L1721&lt;/a&gt;&lt;br/&gt;
Retry logic has been called 9 times and still failed.&lt;/p&gt;</comment>
                            <comment id="3218681" author="shane.harvey" created="Tue, 23 Jun 2020 00:00:23 +0000"  >&lt;p&gt;My understanding is that this issue causes the replSetStepDown command to frequently fail with the following transient error (see DRIVERS-1290 and &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-48107&quot; title=&quot;Retry replSetStepDown in rollback_test.js &quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48107&quot;&gt;&lt;del&gt;SERVER-48107&lt;/del&gt;&lt;/a&gt;):&lt;/p&gt;
&lt;p/&gt;
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&lt;p/&gt;

&lt;p&gt;So far I&apos;ve only seen this error occur on 4.4 and 4.5-latest and only on macOS and Windows. Moreover, even with a 10 second retry loop some drivers (C#) are still seeing this error on Windows. Is there any way to prevent this from happening? Is there a command drivers can run directly before replSetStepDown that would wait for the &quot;idents&quot; to drop?&lt;/p&gt;

&lt;p&gt;CC: &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=dmitry.lukyanov&quot; class=&quot;user-hover&quot; rel=&quot;dmitry.lukyanov&quot;&gt;dmitry.lukyanov&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3208817" author="gregory.wlodarek" created="Mon, 15 Jun 2020 20:17:38 +0000"  >&lt;p&gt;We obtain the Global IS lock &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b4a4fa2baa5f2367b12123f2933817298ff1142e/src/mongo/db/storage/storage_engine_impl.cpp#L984&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;.&lt;/p&gt;</comment>
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            <issuekey id="1399459">SERVER-49273</issuekey>
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