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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[CSHARP-272] Reduce lock contention in LookupSerializer (and in serialization config in general)</title>
                <link>https://jira.mongodb.org/browse/CSHARP-272</link>
                <project id="10041" key="CSHARP">C# Driver</project>
                    <description>&lt;p&gt;LookupSerializer is called millions of times under heavy load. Currently it uses an exclusive lock to provide thread safety. Since after a short initialization period the access pattern becomes almost exclusively read-only it would be very beneficial to switch from an exclusive lock to a shared ReaderWriterLockSlim which would allow parallel readers.&lt;/p&gt;

&lt;p&gt;This is motivated by an actual test scenario that showed lock contention really was happening.&lt;/p&gt;</description>
                <environment></environment>
        <key id="19884">CSHARP-272</key>
            <summary>Reduce lock contention in LookupSerializer (and in serialization config in general)</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="9">Done</resolution>
                                        <assignee username="robert@mongodb.com">Robert Stam</assignee>
                                    <reporter username="robert@mongodb.com">Robert Stam</reporter>
                        <labels>
                    </labels>
                <created>Tue, 19 Jul 2011 20:31:45 +0000</created>
                <updated>Thu, 2 Apr 2015 18:27:33 +0000</updated>
                            <resolved>Tue, 19 Jul 2011 22:30:35 +0000</resolved>
                                    <version>1.1</version>
                                    <fixVersion>1.2</fixVersion>
                                                        <votes>0</votes>
                                    <watches>1</watches>
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