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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-15808] audit re-enabled yielding paths for sharding</title>
                <link>https://jira.mongodb.org/browse/SERVER-15808</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;With cursor yielding re-enabled and significant concurrency changes, revisit the places where contexts are acquired to be sure that shard version information is correctly handled.&lt;/p&gt;</description>
                <environment></environment>
        <key id="165586">SERVER-15808</key>
            <summary>audit re-enabled yielding paths for sharding</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="9">Done</resolution>
                                        <assignee username="greg.mckeon@mongodb.com">Gregory McKeon</assignee>
                                    <reporter username="greg_10gen">Greg Studer</reporter>
                        <labels>
                    </labels>
                <created>Mon, 27 Oct 2014 14:23:05 +0000</created>
                <updated>Thu, 2 Aug 2018 21:24:04 +0000</updated>
                            <resolved>Mon, 17 Nov 2014 21:25:57 +0000</resolved>
                                    <version>2.7.8</version>
                                    <fixVersion>2.8.0-rc1</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="766383" author="greg_10gen" created="Mon, 17 Nov 2014 21:25:09 +0000"  >&lt;p&gt;Fixes in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-15541&quot; title=&quot;Re-enable yielding&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-15541&quot;&gt;&lt;del&gt;SERVER-15541&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="750840" author="greg_10gen" created="Tue, 28 Oct 2014 20:34:59 +0000"  >&lt;p&gt;Upshot of the audit is:&lt;/p&gt;

&lt;p&gt;Update/Delete:&lt;br/&gt;
We should probably throw StaleConfigExceptions (SCEs) for non-multi updates and single deletes.  We can then easily have consistent behavior with DeadlockExceptions which are effectively forced yields. EDIT: Currently works similarly to v2.6.&lt;/p&gt;

&lt;p&gt;Count:&lt;br/&gt;
We may need to throw SCEs when yielding during count to preserve our (bad) behavior.&lt;/p&gt;

&lt;p&gt;FileMD5:&lt;br/&gt;
Doesn&apos;t yield - so either we remove internal version check entirely (some dead code here) or we enable yielding and the version check.&lt;/p&gt;

&lt;p&gt;GeoNear:&lt;br/&gt;
Going to be deprecated, but if simple should also throw SCE now that geoNear doesn&apos;t do all the work at once.&lt;/p&gt;

&lt;p&gt;FindAndModify:&lt;br/&gt;
Should throw SCE on yielding since these are always non-multi/single update/delete operations. EDIT: Currently works similarly to v2.6.&lt;/p&gt;

&lt;p&gt;Other commands preserve previous behavior.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="156408">SERVER-15141</issuekey>
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