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    <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-29285] ScopedCollectionMetadata compare equal</title>
                <link>https://jira.mongodb.org/browse/SERVER-29285</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Killing specific queries that depend on a range that a secondary has been notified is being deleted requires (1) identifying CollectionMetadata instances that have a chunk overlapping it, and (2) invalidating queries that have a ScopedCollectionMetadata that refers to one such instance.  For (2), it suffices to provide op== / op!= on ScopedCollectionMetadata.&lt;/p&gt;

&lt;p&gt;Assumption is that most running queries on a collection will seem to depend on any given chunk being removed, and the majority of those will be expected to die, so a scan of all such running queries for each such event is more economical than keeping a list of queries that depend on each CollectionMetadata.&lt;/p&gt;</description>
                <environment></environment>
        <key id="384869">SERVER-29285</key>
            <summary>ScopedCollectionMetadata compare equal</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="nathan.myers">Nathan Myers</assignee>
                                    <reporter username="nathan.myers">Nathan Myers</reporter>
                        <labels>
                    </labels>
                <created>Thu, 18 May 2017 19:51:16 +0000</created>
                <updated>Mon, 30 Oct 2023 23:16:39 +0000</updated>
                            <resolved>Tue, 26 Sep 2017 15:14:17 +0000</resolved>
                                                    <fixVersion>3.5.9</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="1682005" author="nathan.myers" created="Tue, 26 Sep 2017 15:14:17 +0000"  >&lt;p&gt;Implemented in 20e9320f7716515d68c27324dc20080d585fd70f&lt;br/&gt;
&quot;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-29342&quot; title=&quot;CollectionShardingState to support oplog event StartRangeDeletion&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-29342&quot;&gt;&lt;del&gt;SERVER-29342&lt;/del&gt;&lt;/a&gt; CollectionShardState/RangeDeleter support for safe secondary reads&quot;&lt;br/&gt;
nathan.myers 2017-06-02 13:16:12&lt;/p&gt;</comment>
                            <comment id="1672867" author="kaloian.manassiev" created="Thu, 14 Sep 2017 14:52:03 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=nathan.myers&quot; class=&quot;user-hover&quot; rel=&quot;nathan.myers&quot;&gt;nathan.myers&lt;/a&gt;, can you check whether this is still necessary or already done?&lt;/p&gt;</comment>
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