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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>[SERVER-49231] Backport Zstandard release upgrade to 4.2.x</title>
                <link>https://jira.mongodb.org/browse/SERVER-49231</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43710&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://jira.mongodb.org/browse/SERVER-43710&lt;/a&gt;&#160;upgraded Zstd to 1.4.3.&lt;/p&gt;

&lt;p&gt;Currently Mongodb 4.2.8 runs Zstd 1.3.7.&#160;&lt;/p&gt;

&lt;p&gt;In 1.3.8 (&lt;a href=&quot;https://github.com/facebook/zstd/releases/tag/v1.3.8&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/facebook/zstd/releases/tag/v1.3.8&lt;/a&gt;) - performance improvement&lt;/p&gt;

&lt;p&gt;In 1.4.0 (&lt;a href=&quot;https://github.com/facebook/zstd/releases/tag/v1.4.0)&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/facebook/zstd/releases/tag/v1.4.0)&lt;/a&gt;&#160;- 6-8% compression performance improvement for zstd level 1&lt;/p&gt;

&lt;p&gt;In 1.4.1 (&lt;a href=&quot;https://github.com/facebook/zstd/releases/tag/v1.4.1)&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/facebook/zstd/releases/tag/v1.4.1)&lt;/a&gt;&#160;- ~ 5-10% improvement for decompression speed&#160;&lt;/p&gt;

&lt;p&gt;In 1.4.4 (&lt;a href=&quot;https://github.com/facebook/zstd/releases/tag/v1.4.4&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/facebook/zstd/releases/tag/v1.4.4&lt;/a&gt;) - another 10 % improvement for decompression speed&lt;/p&gt;

&lt;p&gt;Would love to take advantage of these improvement while maintaining mongodb version 4.2.X!&lt;/p&gt;

&lt;p&gt;Thanks&lt;/p&gt;

&lt;p&gt;Oliver&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1398816">SERVER-49231</key>
            <summary>Backport Zstandard release upgrade to 4.2.x</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="12300">Won&apos;t Do</resolution>
                                        <assignee username="dmitry.agranat@mongodb.com">Dmitry Agranat</assignee>
                                    <reporter username="oliver@sensortower.com">Oliver Yeh</reporter>
                        <labels>
                    </labels>
                <created>Wed, 1 Jul 2020 15:33:33 +0000</created>
                <updated>Sun, 12 Jul 2020 12:21:07 +0000</updated>
                            <resolved>Sun, 12 Jul 2020 12:21:07 +0000</resolved>
                                                                    <component>WiredTiger</component>
                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="3271612" author="dmitry.agranat" created="Tue, 7 Jul 2020 08:34:23 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=oliver%40sensortower.com&quot; class=&quot;user-hover&quot; rel=&quot;oliver@sensortower.com&quot;&gt;oliver@sensortower.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Thank you for the request. After discussing this internally, it was decided not to backport &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43710&quot; title=&quot;Update ZStandard to v1.4.3&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43710&quot;&gt;&lt;del&gt;SERVER-43710&lt;/del&gt;&lt;/a&gt; to MongoDB 4.2 at this point. However, once MongoDB 4.4. is released and we&apos;ll receive feedback, we might reconsider this decision.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Dima&lt;/p&gt;</comment>
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