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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-48939] Make reads call MigratingTenantAccessBlocker::checkIfCanReadOrBlock</title>
                <link>https://jira.mongodb.org/browse/SERVER-48939</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Reads should call checkIfCanReadOrBlock after &lt;a href=&quot;https://github.com/mongodb/mongo/blob/6d650280c2d21c24dc2c45d1d41e915f4d244ffa/src/mongo/db/service_entry_point_common.cpp#L1172&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;waiting for readConcern&lt;/a&gt;, in particular after&#160;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/6d650280c2d21c24dc2c45d1d41e915f4d244ffa/src/mongo/db/read_concern_mongod.cpp#L358&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;waiting for their clusterTime&lt;/a&gt; to be reached (and therefore &lt;a href=&quot;https://github.com/mongodb/mongo/blob/6d650280c2d21c24dc2c45d1d41e915f4d244ffa/src/mongo/db/repl/replication_coordinator_impl.cpp#L1631&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;waiting for all oplog holes earlier than that clusterTime to be filled&lt;/a&gt;).&lt;/p&gt;

&lt;p&gt;checkIfCanReadOrBlock should not be called under any locks, particularly under database or collection locks.&lt;/p&gt;

&lt;p&gt;It would be nice if this can be added to the service entry point, but a fallback is to add it to every read command (i.e., every command that can take a readConcern).&lt;/p&gt;

&lt;p&gt;This ticket should also test that all reads with clusterTime &amp;gt; the blockTimestamp block if the &quot;start blocking&quot; write has occurred.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1383375">SERVER-48939</key>
            <summary>Make reads call MigratingTenantAccessBlocker::checkIfCanReadOrBlock</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="13201">Fixed</resolution>
                                        <assignee username="cheahuychou.mao@mongodb.com">Cheahuychou Mao</assignee>
                                    <reporter username="esha.maharishi@mongodb.com">Esha Maharishi</reporter>
                        <labels>
                            <label>pm-1791_milestone-A</label>
                    </labels>
                <created>Thu, 18 Jun 2020 03:49:14 +0000</created>
                <updated>Sun, 29 Oct 2023 22:06:49 +0000</updated>
                            <resolved>Thu, 23 Jul 2020 02:17:54 +0000</resolved>
                                                    <fixVersion>4.7.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="3297940" author="xgen-internal-githook" created="Thu, 23 Jul 2020 00:43:16 +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-48939&quot; title=&quot;Make reads call MigratingTenantAccessBlocker::checkIfCanReadOrBlock&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-48939&quot;&gt;&lt;del&gt;SERVER-48939&lt;/del&gt;&lt;/a&gt; Make reads call MigratingTenantAccessBlocker::checkIfCanReadOrBlock&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/870b91674c9055f526577e88432b98dd1360e5bc&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/870b91674c9055f526577e88432b98dd1360e5bc&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1395075">SERVER-49186</issuekey>
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