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    <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-41490] Disable OP_MSG checksums for TLS connections</title>
                <link>https://jira.mongodb.org/browse/SERVER-41490</link>
                <project id="10000" key="SERVER">Core Server</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="788373">SERVER-41490</key>
            <summary>Disable OP_MSG checksums for TLS connections</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="rahul.sundararaman@mongodb.com">Rahul Sundararaman</assignee>
                                    <reporter username="mira.carey@mongodb.com">Mira Carey</reporter>
                        <labels>
                            <label>neweng</label>
                    </labels>
                <created>Tue, 4 Jun 2019 14:27:42 +0000</created>
                <updated>Sun, 29 Oct 2023 22:20:23 +0000</updated>
                            <resolved>Wed, 26 Jun 2019 20:18:59 +0000</resolved>
                                                    <fixVersion>4.2.0-rc3</fixVersion>
                    <fixVersion>4.3.1</fixVersion>
                                    <component>Networking</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2301334" author="xgen-internal-githook" created="Thu, 27 Jun 2019 20:16:15 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Rahul Sundararaman&apos;, &apos;username&apos;: &apos;rsbballguy&apos;, &apos;email&apos;: &apos;rahul.sundararaman@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-41490&quot; title=&quot;Disable OP_MSG checksums for TLS connections&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-41490&quot;&gt;&lt;del&gt;SERVER-41490&lt;/del&gt;&lt;/a&gt; Disable OP_MSG checksums for TLS connections&lt;br/&gt;
Branch: v4.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/92e377508f1656561b64a776faa9c05e7d3fa5bb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/92e377508f1656561b64a776faa9c05e7d3fa5bb&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2298900" author="xgen-internal-githook" created="Wed, 26 Jun 2019 20:12:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Rahul Sundararaman&apos;, &apos;username&apos;: &apos;rsbballguy&apos;, &apos;email&apos;: &apos;rahul.sundararaman@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-41490&quot; title=&quot;Disable OP_MSG checksums for TLS connections&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-41490&quot;&gt;&lt;del&gt;SERVER-41490&lt;/del&gt;&lt;/a&gt; Disable OP_MSG checksums for TLS connections&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4d06ab3d983463ab1f593ef2d43554d8f095fd39&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4d06ab3d983463ab1f593ef2d43554d8f095fd39&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="2270412" author="jason.carey" created="Tue, 4 Jun 2019 14:28:42 +0000"  >&lt;p&gt;Link to the performance overhead of checksumming on non-tls connections&lt;/p&gt;</comment>
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