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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-30909] readConcern afterClusterTime not working in a non-sharded replica set</title>
                <link>https://jira.mongodb.org/browse/SERVER-30909</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;According to &lt;a href=&quot;https://docs.google.com/document/d/1B_IeakOu1_hjKxtIOZl2V8yFRGQZ1bYOTEGiF4aNKp0/edit#bookmark=id.xllbdxn7lq0j&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;the design doc for causal consistency&lt;/a&gt; a non-sharded replica set should still honor afterClusterTime even in the absence of $clusterTime gossiping.  &lt;/p&gt;

&lt;p&gt;But in read_concern.cpp there is a &lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/read_concern.cpp#L176-L179&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;check&lt;/a&gt; that the logical clock has advanced to afterClusterTime which is performed before &lt;a href=&quot;https://github.com/mongodb/mongo/blob/master/src/mongo/db/read_concern.cpp#L192&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;waiting&lt;/a&gt; for that cluster time to replicate through the oplog.  &lt;/p&gt;

&lt;p&gt;The result is that readConcern.afterClusterTime fails consistently on secondary members of replica sets that are not part of a sharded cluster, but succeeds when part of a sharded cluster.&lt;/p&gt;</description>
                <environment></environment>
        <key id="422373">SERVER-30909</key>
            <summary>readConcern afterClusterTime not working in a non-sharded replica set</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="3">Duplicate</resolution>
                                        <assignee username="backlog-server-sharding">[DO NOT USE] Backlog - Sharding Team</assignee>
                                    <reporter username="jeff.yemin@mongodb.com">Jeffrey Yemin</reporter>
                        <labels>
                    </labels>
                <created>Thu, 31 Aug 2017 16:16:25 +0000</created>
                <updated>Tue, 6 Dec 2022 03:53:01 +0000</updated>
                            <resolved>Fri, 8 Sep 2017 15:54:05 +0000</resolved>
                                                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="1661979" author="jeff.yemin" created="Thu, 31 Aug 2017 17:44:00 +0000"  >&lt;p&gt;Here&apos;s logging of one failure case:&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;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;  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;  Server: localhost:27017&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;  Start: 08:18:39.500&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;  Command: { &quot;insert&quot; : &quot;causal&quot;, &quot;ordered&quot; : true, &quot;documents&quot; : [{ &quot;_id&quot; : 580 }], &quot;$db&quot; : &quot;test&quot;, &quot;lsid&quot; : { &quot;id&quot; : { &quot;$binary&quot; : &quot;UJp6HUyiSEWnCEz2XAtyxA==&quot;, &quot;$type&quot; : &quot;04&quot; } } }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  End: 08:18:39.500&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  Response: { &quot;n&quot; : 1, &quot;opTime&quot; : { &quot;ts&quot; : { &quot;$timestamp&quot; : { &quot;t&quot; : 1504181919, &quot;i&quot; : 9 } }, &quot;t&quot; : { &quot;$numberLong&quot; : &quot;66&quot; } }, &quot;electionId&quot; : { &quot;$oid&quot; : &quot;7fffffff0000000000000042&quot; }, &quot;ok&quot; : 1.0, &quot;operationTime&quot; : { &quot;$timestamp&quot; : { &quot;t&quot; : 1504181919, &quot;i&quot; : 9 } } }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;  Server: localhost:27018&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;  Start: 08:18:39.553&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;  Command: { &quot;find&quot; : &quot;causal&quot;, &quot;filter&quot; : { &quot;_id&quot; : 580 }, &quot;limit&quot; : 1, &quot;singleBatch&quot; : true, &quot;readConcern&quot; : { &quot;level&quot; : &quot;local&quot;, &quot;afterClusterTime&quot; : { &quot;$timestamp&quot; : { &quot;t&quot; : 1504181919, &quot;i&quot; : 9 } } }, &quot;$db&quot; : &quot;test&quot;, &quot;lsid&quot; : { &quot;id&quot; : { &quot;$binary&quot; : &quot;UJp6HUyiSEWnCEz2XAtyxA==&quot;, &quot;$type&quot; : &quot;04&quot; } }, &quot;$readPreference&quot; : { &quot;mode&quot; : &quot;secondary&quot; } }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&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;   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;  Failure: Command failed with error 72: &apos;readConcern afterClusterTime must not be greater than clusterTime value&apos; on server jeff.fios-router.home:27018. The full response is { &quot;ok&quot; : 0.0, &quot;errmsg&quot; : &quot;readConcern afterClusterTime must not be greater than clusterTime value&quot;, &quot;code&quot; : 72, &quot;codeName&quot; : &quot;InvalidOptions&quot; }&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
			&lt;/tbody&gt;
&lt;/table&gt;
&lt;/div&gt;
&lt;p/&gt;
</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10010">
                    <name>Duplicate</name>
                                            <outwardlinks description="duplicates">
                                        <issuelink>
            <issuekey id="424335">SERVER-30977</issuekey>
        </issuelink>
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                            <customfieldvalue>&lt;p&gt;1. Create a standard replica set&lt;br/&gt;
2. Insert a document and record the operationTime from the response&lt;br/&gt;
3. Attempt to find that document on a secondary with a readConcern containing afterClusterTime whose value is the operationTime from the insert response&lt;/p&gt;

&lt;p&gt;Expected results: the find command succeeds and returns the requested document&lt;/p&gt;

&lt;p&gt;Actual results: the secondary returns this error: readConcern afterClusterTime must not be greater than clusterTime value&quot;, &quot;code&quot; : 72, &quot;codeName&quot; : &quot;InvalidOptions&quot; &lt;/p&gt;</customfieldvalue>

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