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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-72571] ReservedTimes object not instantiated in global index observer</title>
                <link>https://jira.mongodb.org/browse/SERVER-72571</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;a href=&quot;https://github.com/10gen/mongo/blob/d3f0a501848d2b18f7aaee272d0fa12b4a5933aa/src/mongo/db/op_observer/op_observer.h#L629-L643&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ReservedTimes&lt;/a&gt; class is a raii-type that on destruction makes sure there &lt;a href=&quot;https://github.com/10gen/mongo/blob/d3f0a501848d2b18f7aaee272d0fa12b4a5933aa/src/mongo/db/op_observer/op_observer.cpp#L62&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;are no more times reserved&lt;/a&gt; for operations by observers. &lt;/p&gt;

&lt;p&gt;After &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-67123&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;SERVER-67123&lt;/a&gt; a &lt;a href=&quot;https://github.com/10gen/mongo/blob/d3f0a501848d2b18f7aaee272d0fa12b4a5933aa/src/mongo/db/op_observer/op_observer_registry.h#L61-L68&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;new observer&lt;/a&gt; was added for the global indexes catalog but it is missing the ReservedTimes object, which causes the following behavior:&lt;/p&gt;

&lt;p&gt;Suppose you have a command that executes any of the functions in the &lt;a href=&quot;https://github.com/10gen/mongo/blob/d3f0a501848d2b18f7aaee272d0fa12b4a5933aa/src/mongo/db/s/global_index_ddl_util.h&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;global index catalog API&lt;/a&gt;. These functions do some calls that might reserve some times and then they call the &lt;a href=&quot;https://github.com/10gen/mongo/blob/d3f0a501848d2b18f7aaee272d0fa12b4a5933aa/src/mongo/db/s/global_index_ddl_util.cpp#L274-L277&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;forementioned observer&lt;/a&gt; so by the time the function finishes, the reservedTimes vector might be holding some times. If later on in the same thread/opCtx, another function calls an observer (like for example, another write), then the insert observer will &lt;a href=&quot;https://github.com/10gen/mongo/blob/d3f0a501848d2b18f7aaee272d0fa12b4a5933aa/src/mongo/db/op_observer/op_observer_registry.h#L154&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;instantiate a ReservedTimes&lt;/a&gt; and that will hit the &lt;a href=&quot;https://github.com/10gen/mongo/blob/d3f0a501848d2b18f7aaee272d0fa12b4a5933aa/src/mongo/db/op_observer/op_observer.cpp#L49&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;invariant protection&lt;/a&gt; the class have in the constructor.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2225056">SERVER-72571</key>
            <summary>ReservedTimes object not instantiated in global index observer</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="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</assignee>
                                    <reporter username="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</reporter>
                        <labels>
                            <label>PM-2583-Milestone-2</label>
                    </labels>
                <created>Thu, 5 Jan 2023 16:34:35 +0000</created>
                <updated>Sun, 29 Oct 2023 21:28:37 +0000</updated>
                            <resolved>Thu, 5 Jan 2023 19:59:37 +0000</resolved>
                                                    <fixVersion>6.3.0-rc0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="5093639" author="xgen-internal-githook" created="Thu, 5 Jan 2023 18:09:41 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Marcos Jos&#233; Grillo Ramirez&apos;, &apos;email&apos;: &apos;marcos.grillo@mongodb.com&apos;, &apos;username&apos;: &apos;m4nti5&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-72571&quot; title=&quot;ReservedTimes object not instantiated in global index observer&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-72571&quot;&gt;&lt;del&gt;SERVER-72571&lt;/del&gt;&lt;/a&gt; Instantiate ReservedTimes object in onModifyShardedCollectionGlobalIndexCatalogEntry observer&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d260fba0a0c8100ba2a31577f2cadbf7242c895e&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d260fba0a0c8100ba2a31577f2cadbf7242c895e&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2064596">SERVER-67123</issuekey>
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