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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-28458] unit test the wall clock reset admin error</title>
                <link>https://jira.mongodb.org/browse/SERVER-28458</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The scenarios:&lt;br/&gt;
1. &lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;set wallclocks in the past more that 1 year (the value of maxAcceptableLogicalClockDrift)&lt;/li&gt;
	&lt;li&gt;a write should get through (no check for the past time) and establish a cluster time on the node to the time in the past&lt;/li&gt;
	&lt;li&gt;now every attempt to assign logical time to current should return an error (rate error) because (wallclock time - cluster time ) &amp;gt; maxAcceptableLogicalClockDrift&lt;/li&gt;
	&lt;li&gt;confirm that when the (wallclock time - cluster time ) &amp;lt;= maxAcceptableLogicalClockDrift it works , i.e. there are two options:&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="367354">SERVER-28458</key>
            <summary>unit test the wall clock reset admin error</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="9">Done</resolution>
                                        <assignee username="jack.mulrow@mongodb.com">Jack Mulrow</assignee>
                                    <reporter username="misha.tyulenev@mongodb.com">Misha Tyulenev</reporter>
                        <labels>
                    </labels>
                <created>Thu, 23 Mar 2017 17:27:40 +0000</created>
                <updated>Wed, 6 Dec 2017 21:14:29 +0000</updated>
                            <resolved>Tue, 6 Jun 2017 14:27:56 +0000</resolved>
                                                    <fixVersion>3.5.9</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1588515" author="xgen-internal-githook" created="Tue, 6 Jun 2017 14:26:34 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{u&apos;username&apos;: u&apos;jsmulrow&apos;, u&apos;name&apos;: u&apos;Jack Mulrow&apos;, u&apos;email&apos;: u&apos;jack.mulrow@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-28458&quot; title=&quot;unit test the wall clock reset admin error&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-28458&quot;&gt;&lt;del&gt;SERVER-28458&lt;/del&gt;&lt;/a&gt; Unit test wall clock reset admin errors&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6b05afb44da679600b682e0ef3c7061eb7e3403c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6b05afb44da679600b682e0ef3c7061eb7e3403c&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1585074" author="misha.tyulenev" created="Thu, 1 Jun 2017 17:20:48 +0000"  >&lt;p&gt;updated the ticket per discussion&lt;/p&gt;</comment>
                            <comment id="1584413" author="jack.mulrow" created="Wed, 31 May 2017 23:03:36 +0000"  >&lt;p&gt;Also, right now the rate limiter only compares newly received times to the wall clock (&lt;a href=&quot;https://github.com/mongodb/mongo/blob/r3.5.8/src/mongo/db/logical_clock.cpp#L171&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;) and only errors if the new time is ahead of the wall clock. So even if a server&apos;s (wall clock time - cluster time) &amp;gt; maxDrift, as long as the newly received time is not maxDrift seconds past the wall clock time, it will still pass the rate limiter and be accepted by the clock. Should we update this ticket, or change the rate limiter?&lt;/p&gt;</comment>
                            <comment id="1584405" author="jack.mulrow" created="Wed, 31 May 2017 22:48:09 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=misha.tyulenev&quot; class=&quot;user-hover&quot; rel=&quot;misha.tyulenev&quot;&gt;misha.tyulenev&lt;/a&gt; I noticed while looking at &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-28355&quot; title=&quot;Add integration tests for maxAcceptableLogicalClockDrift parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-28355&quot;&gt;&lt;del&gt;SERVER-28355&lt;/del&gt;&lt;/a&gt;, that you described the wall clock reset error there as the admin setting the clock more than 1 year in the &lt;em&gt;future&lt;/em&gt;, but here as more than 1 year in the &lt;em&gt;past&lt;/em&gt;. Which of these should I be testing?&lt;/p&gt;</comment>
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