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    <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>[JAVA-4614] Benchmark buffer pool</title>
                <link>https://jira.mongodb.org/browse/JAVA-4614</link>
                <project id="10006" key="JAVA">Java Driver</project>
                    <description>&lt;p&gt;The &lt;tt&gt;PowerOfTwoBufferPool&lt;/tt&gt; was created almost 10 years ago, when Java&apos;s GC landscape was very different.  Since then, the G1 collector has become the default.  We should re-examine whether the buffer pool remains effective in its goal of improving overall application throughput. Questions to consider:&lt;/p&gt;

&lt;ol&gt;
	&lt;li&gt;Should the driver pool buffers at all?&lt;/li&gt;
	&lt;li&gt;Should we increase the buffer size at which we start to pool?  Currently we pool buffers of any size, but in practice the smallest buffer size requested is 1K.&lt;/li&gt;
	&lt;li&gt;Does the effectiveness of pooling change significantly between Java 8, 11, and 17?&lt;/li&gt;
	&lt;li&gt;Does the choice of collector or tuning of the collector significantly change the effectiveness of pooling?&lt;/li&gt;
&lt;/ol&gt;
</description>
                <environment></environment>
        <key id="2047161">JAVA-4614</key>
            <summary>Benchmark buffer pool</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="10300" iconUrl="https://jira.mongodb.org/images/icons/priorities/medium.svg">Unknown</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="jeff.yemin@mongodb.com">Jeffrey Yemin</reporter>
                        <labels>
                            <label>tech-debt</label>
                    </labels>
                <created>Mon, 16 May 2022 12:45:39 +0000</created>
                <updated>Wed, 27 Sep 2023 21:10:24 +0000</updated>
                                                                            <component>Performance</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
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                            <customfieldvalue>&lt;p&gt;1.  What would you like to communicate to the user about this feature?&lt;br/&gt;
2.  Would you like the user to see examples of the syntax and/or executable code and its output?&lt;br/&gt;
3.  Which versions of the driver/connector does this apply to?&lt;/p&gt;</customfieldvalue>

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