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    <title>MongoDB Jira</title>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[CDRIVER-2144] Support compression of legacy write opcodes</title>
                <link>https://jira.mongodb.org/browse/CDRIVER-2144</link>
                <project id="10030" key="CDRIVER">C Driver</project>
                    <description></description>
                <environment></environment>
        <key id="377938">CDRIVER-2144</key>
            <summary>Support compression of legacy write opcodes</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="13202">Works as Designed</resolution>
                                        <assignee username="bjori">Hannes Magnusson</assignee>
                                    <reporter username="bjori">Hannes Magnusson</reporter>
                        <labels>
                    </labels>
                <created>Wed, 26 Apr 2017 21:49:12 +0000</created>
                <updated>Fri, 27 Oct 2023 13:14:21 +0000</updated>
                            <resolved>Thu, 15 Jun 2017 01:17:32 +0000</resolved>
                                                    <fixVersion>1.8.0</fixVersion>
                                    <component>libmongoc</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="1597509" author="bjori" created="Thu, 15 Jun 2017 01:17:32 +0000"  >&lt;p&gt;The spec has been amended to remove this requirement:&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/specifications/commit/7ec78a857d6c53e85d7c08fd78687121363e52d6&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/specifications/commit/7ec78a857d6c53e85d7c08fd78687121363e52d6&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1559412" author="bjori" created="Thu, 27 Apr 2017 17:14:02 +0000"  >&lt;p&gt;The latest revision of the spec demands all operations to be compressed when compression had been negotiated. This was required by driver leads.&lt;/p&gt;


&lt;p&gt;Compression can be negotiated in MongoDB 3.4, so when we do w=0 write, we must compress legacy writes too.&lt;/p&gt;</comment>
                            <comment id="1559404" author="jesse" created="Thu, 27 Apr 2017 17:07:43 +0000"  >&lt;p&gt;Remind me: why would we ever need to compress OP_INSERT, etc.? If the server is new enough to support OP_COMPRESSED, then we&apos;ll send writes using OP_MSG, even for unacknowledged writes - do I understand correctly?&lt;/p&gt;</comment>
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