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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[CSHARP-1115] Support alternate buffer pool strategies</title>
                <link>https://jira.mongodb.org/browse/CSHARP-1115</link>
                <project id="10041" key="CSHARP">C# Driver</project>
                    <description>&lt;p&gt;We use a buffer pool to hold buffers uses during I/O (i.e. sending and receiving message). Using a buffer pool helps reduce the amount of work the garbage collection must do.&lt;/p&gt;

&lt;p&gt;We currently have a single static ByteBufferFactory which gets its chunks from exactly one kind of pool, a BsonChunkPool.&lt;/p&gt;

&lt;p&gt;It would be good to abstract the notion of a buffer pool to an interface to enable us to have multiple implementations.&lt;/p&gt;

&lt;p&gt;This interface could look like:&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{&lt;/span&gt;&lt;/pre&gt;
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						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;    IBsonChunk GetChunk(int requestedSize);&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;

&lt;p&gt;What are actually pooled are chunks, not entire buffers, which are made up of multiple chunks.&lt;/p&gt;

&lt;p&gt;I think it&apos;s better that the name of the interface not include the word &quot;Pool&quot;, since the source may or may not involve a pool.&lt;/p&gt;</description>
                <environment></environment>
        <key id="170393">CSHARP-1115</key>
            <summary>Support alternate buffer pool strategies</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="9">Done</resolution>
                                        <assignee username="robert@mongodb.com">Robert Stam</assignee>
                                    <reporter username="robert@mongodb.com">Robert Stam</reporter>
                        <labels>
                    </labels>
                <created>Thu, 20 Nov 2014 14:09:13 +0000</created>
                <updated>Mon, 6 Apr 2015 21:53:34 +0000</updated>
                            <resolved>Mon, 6 Apr 2015 21:53:31 +0000</resolved>
                                                    <fixVersion>2.0</fixVersion>
                                    <component>BSON</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="874022" author="rstam" created="Mon, 6 Apr 2015 21:47:56 +0000"  >&lt;p&gt;This work was done in commit:&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo-csharp-driver/commit/a5b911800f55ef13032ce5c846abe9a4110d6c8c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo-csharp-driver/commit/a5b911800f55ef13032ce5c846abe9a4110d6c8c&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;But the commit message failed to mention this ticket:&lt;/p&gt;</comment>
                            <comment id="874018" author="rstam" created="Mon, 6 Apr 2015 21:46:24 +0000"  >&lt;p&gt;While the low level work to support alternate buffer pool strategies has been implemented, there is not yet a way for the user to select or supply alternate implementations.&lt;/p&gt;

&lt;p&gt;That would presumably involve some changes to ConnectionSettings in Core, and some way to provide those values from the high level API. Support for such configuration will be in a separate ticket.&lt;/p&gt;</comment>
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