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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>[CDRIVER-2366] Use OP_MSG for unacknowledged writes</title>
                <link>https://jira.mongodb.org/browse/CDRIVER-2366</link>
                <project id="10030" key="CDRIVER">C Driver</project>
                    <description>&lt;p&gt;Reading the code, it appears to me that _mongoc_write_command_execute uses OP_MSG iff the wire version is at least 6, even for unacknowledged write concerns. It calls mongoc_cluster_run_opmsg which always sets flags to 0. It doesn&apos;t set the moreToCome flag, and it always expects a server response.&lt;/p&gt;

&lt;p&gt;Update this: set moreToCome to 1, use an implicit session even if the user passed an explicit one (ignore explicit sessions with unack&apos;ed writes), and don&apos;t expect a server response.&lt;/p&gt;</description>
                <environment></environment>
        <key id="457696">CDRIVER-2366</key>
            <summary>Use OP_MSG for unacknowledged writes</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="pavithra.vetriselvan@mongodb.com">Pavithra Vetriselvan</assignee>
                                    <reporter username="jesse@mongodb.com">A. Jesse Jiryu Davis</reporter>
                        <labels>
                    </labels>
                <created>Sun, 12 Nov 2017 23:50:01 +0000</created>
                <updated>Sat, 28 Oct 2023 11:30:20 +0000</updated>
                            <resolved>Thu, 25 Jan 2018 17:52:34 +0000</resolved>
                                    <version>1.9.0</version>
                                    <fixVersion>1.10.0</fixVersion>
                                    <component>libmongoc</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="1772129" author="xgen-internal-githook" created="Thu, 11 Jan 2018 21:51:39 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;jesse@mongodb.com&apos;, &apos;name&apos;: &apos;A. Jesse Jiryu Davis&apos;, &apos;username&apos;: &apos;ajdavis&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CDRIVER-2366&quot; title=&quot;Use OP_MSG for unacknowledged writes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CDRIVER-2366&quot;&gt;&lt;del&gt;CDRIVER-2366&lt;/del&gt;&lt;/a&gt; update unacknowledged OP_MSG test&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-c-driver/commit/00aa230373c7cdf4fd593794d109c47f8573cc96&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-c-driver/commit/00aa230373c7cdf4fd593794d109c47f8573cc96&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1772128" author="xgen-internal-githook" created="Thu, 11 Jan 2018 21:51:36 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;email&apos;: &apos;pavi@MacBook-Pro-77.local&apos;, &apos;name&apos;: &apos;Pavithra Vetriselvan&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/CDRIVER-2366&quot; title=&quot;Use OP_MSG for unacknowledged writes&quot; class=&quot;issue-link&quot; data-issue-key=&quot;CDRIVER-2366&quot;&gt;&lt;del&gt;CDRIVER-2366&lt;/del&gt;&lt;/a&gt; use OP_MSG for unacknowledged writes&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo-c-driver/commit/d33c7a78ee5ef000d337ed1f21aa01e88d9495a8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-c-driver/commit/d33c7a78ee5ef000d337ed1f21aa01e88d9495a8&lt;/a&gt;&lt;/p&gt;</comment>
                    </comments>
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                    <name>Related</name>
                                            <outwardlinks description="related to">
                                        <issuelink>
            <issuekey id="473898">CDRIVER-2432</issuekey>
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