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    <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-46393] Always check client last operation time when computing operationTime to append to the response</title>
                <link>https://jira.mongodb.org/browse/SERVER-46393</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, if a command has an uninitialized startOperationTime (because the client still has &lt;a href=&quot;https://github.com/mongodb/mongo/blob/ed44f48d2592862c1fd4e41c695e94a0d30be141/src/mongo/db/repl/repl_client_info.h#L90&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;uninitialized opTime&lt;/a&gt; when the command starts running), computeOperationTime returns the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/61ea39197455ca2e54135607e5625bb2c2796ec3/src/mongo/db/service_entry_point_common.cpp#L398&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;replication coordinator&apos;s lastAppliedOpTime&lt;/a&gt; as the operationTime to append to the response for the command. This operationTime could sometimes be later than the opTime for the operation performed by the command. To prevent this, this &lt;a href=&quot;https://github.com/mongodb/mongo/blob/61ea39197455ca2e54135607e5625bb2c2796ec3/src/mongo/db/service_entry_point_common.cpp#L396-L399&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;block of code&lt;/a&gt; should be removed so that we always check and try to use the client last operation time when possible. &lt;/p&gt;</description>
                <environment></environment>
        <key id="1184620">SERVER-46393</key>
            <summary>Always check client last operation time when computing operationTime to append to the response</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="13201">Fixed</resolution>
                                        <assignee username="cheahuychou.mao@mongodb.com">Cheahuychou Mao</assignee>
                                    <reporter username="cheahuychou.mao@mongodb.com">Cheahuychou Mao</reporter>
                        <labels>
                    </labels>
                <created>Tue, 25 Feb 2020 18:58:50 +0000</created>
                <updated>Sun, 29 Oct 2023 22:11:44 +0000</updated>
                            <resolved>Thu, 27 Feb 2020 01:12:28 +0000</resolved>
                                                    <fixVersion>4.3.4</fixVersion>
                    <fixVersion>4.0.22</fixVersion>
                    <fixVersion>4.2.12</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="3491054" author="xgen-internal-githook" created="Sun, 15 Nov 2020 23:28:00 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46393&quot; title=&quot;Always check client last operation time when computing operationTime to append to the response&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46393&quot;&gt;&lt;del&gt;SERVER-46393&lt;/del&gt;&lt;/a&gt; Always check client last operation time when computing operationTime to append to the response&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 679d1e1028ddbdd1ac5778f3e0ab0cb3ffd5ee27)&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e3b5f9046975f5e385d68ecf92f8d76d7278beab&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e3b5f9046975f5e385d68ecf92f8d76d7278beab&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3490586" author="xgen-internal-githook" created="Sat, 14 Nov 2020 03:53:29 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;, &apos;username&apos;: &apos;cheahuychou&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46393&quot; title=&quot;Always check client last operation time when computing operationTime to append to the response&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46393&quot;&gt;&lt;del&gt;SERVER-46393&lt;/del&gt;&lt;/a&gt; Always check client last operation time when computing operationTime to append to the response&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 679d1e1028ddbdd1ac5778f3e0ab0cb3ffd5ee27)&lt;br/&gt;
Branch: v4.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/fc402b25bc4d94565a6ede47e7fb2e6452452bd3&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/fc402b25bc4d94565a6ede47e7fb2e6452452bd3&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3035213" author="prashant.mital" created="Fri, 10 Apr 2020 17:27:30 +0000"  >&lt;p&gt;Thanks &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=esha.maharishi&quot; class=&quot;user-hover&quot; rel=&quot;esha.maharishi&quot;&gt;esha.maharishi&lt;/a&gt;!&lt;/p&gt;</comment>
                            <comment id="3035163" author="esha.maharishi@10gen.com" created="Fri, 10 Apr 2020 17:04:07 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=prashant.mital&quot; class=&quot;user-hover&quot; rel=&quot;prashant.mital&quot;&gt;prashant.mital&lt;/a&gt;, I don&apos;t think this ticket is related to the problem you&apos;re describing. This ticket is about what value is returned for operationTime, not whether an operationTime field is returned at all.&lt;/p&gt;</comment>
                            <comment id="2913434" author="xgen-internal-githook" created="Thu, 27 Feb 2020 01:11:28 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Cheahuychou Mao&apos;, &apos;username&apos;: &apos;cheahuychou&apos;, &apos;email&apos;: &apos;cheahuychou.mao@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-46393&quot; title=&quot;Always check client last operation time when computing operationTime to append to the response&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-46393&quot;&gt;&lt;del&gt;SERVER-46393&lt;/del&gt;&lt;/a&gt; Always check client last operation time when computing operationTime to append to the response&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/679d1e1028ddbdd1ac5778f3e0ab0cb3ffd5ee27&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/679d1e1028ddbdd1ac5778f3e0ab0cb3ffd5ee27&lt;/a&gt;&lt;/p&gt;</comment>
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