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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>[DRIVERS-2177] Disable OP_MSG checksums for TLS connections</title>
                <link>https://jira.mongodb.org/browse/DRIVERS-2177</link>
                <project id="10980" key="DRIVERS">Drivers</project>
                    <description>&lt;p&gt;We enabled OP_MSG checksums to catch data corruption on the wire in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-28679&quot; title=&quot;Compute crc32c checksums on OP_MSG&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-28679&quot;&gt;&lt;del&gt;SERVER-28679&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;This work of performing those checksums is extra cost though, and it is redundant when mixed with the hmacs required by tls.&lt;/p&gt;

&lt;p&gt;We lose little on the data integrity side and avoid overhead if we only perform check sums on non-tls connections.&lt;/p&gt;</description>
                <environment></environment>
        <key id="788479">DRIVERS-2177</key>
            <summary>Disable OP_MSG checksums for TLS connections</summary>
                <type id="14901" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14700&amp;avatarType=issuetype">Spec Change</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="bernie@mongodb.com">Bernie Hackett</reporter>
                        <labels>
                    </labels>
                <created>Tue, 4 Jun 2019 15:17:43 +0000</created>
                <updated>Tue, 6 Jun 2023 11:07:39 +0000</updated>
                                                                <component>OP_MSG</component>
                    <component>Performance</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                    <issuelinks>
                            <issuelinktype id="10011">
                    <name>Depends</name>
                                            <outwardlinks description="depends on">
                                        <issuelink>
            <issuekey id="788373">SERVER-41490</issuekey>
        </issuelink>
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                                                        </issuelinktype>
                            <issuelinktype id="10012">
                    <name>Related</name>
                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="798812">DRIVERS-680</issuekey>
        </issuelink>
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                                <customfieldvalue key="10748"><![CDATA[Needed]]></customfieldvalue>

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                                        <label>4.2</label>
            <label>4.3</label>
    
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