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    <title>MongoDB Jira</title>
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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>[CDRIVER-3130] Allow specification of minHeartbeatFrequencyMS for wrapping drivers</title>
                <link>https://jira.mongodb.org/browse/CDRIVER-3130</link>
                <project id="10030" key="CDRIVER">C Driver</project>
                    <description>&lt;p&gt;In the retryable reads spec, it notes that lowering the minHeartbetFrequencyMS can speed up the tests quite a bit, and the c driver actually does this for its tests. Unfortunately, another spec forbids drivers from allowing users (and therefore wrapping drivers) to modify this value.&lt;/p&gt;

&lt;p&gt;The difference is pretty significant, though. For example, the retryable writes tests take about 40 seconds to run on my macbook with the default minHeartbeatFrequencyMS. With it set to 50, they take about 10 seconds.&lt;/p&gt;

&lt;p&gt;Would it be possible to expose some undocumented way of lowering this value for wrapping drivers?&#160;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="768590">CDRIVER-3130</key>
            <summary>Allow specification of minHeartbeatFrequencyMS for wrapping drivers</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</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="patrick.freed@mongodb.com">Patrick Freed</reporter>
                        <labels>
                    </labels>
                <created>Tue, 14 May 2019 21:56:22 +0000</created>
                <updated>Thu, 31 Mar 2022 13:52:25 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="2381474" author="jmikola@gmail.com" created="Wed, 21 Aug 2019 18:54:11 +0000"  >&lt;p&gt;Note: as temporary work-around for faster test builds, the relevant constant to modify is &lt;tt&gt;MONGOC_TOPOLOGY_MIN_HEARTBEAT_FREQUENCY_MS&lt;/tt&gt; in &lt;tt&gt;src/libmongoc/src/mongoc/mongoc-topology-private.h&lt;/tt&gt;.&lt;/p&gt;</comment>
                            <comment id="2252604" author="kevin.albertson" created="Mon, 20 May 2019 14:53:32 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=patrick.freed&quot; class=&quot;user-hover&quot; rel=&quot;patrick.freed&quot;&gt;patrick.freed&lt;/a&gt; to double check, would having a build flag to disable the enforcement of the minHeartbeatFrequencyMS minimum value suffice? This would require building libmongoc from source, but is that okay for your testing environment?&lt;/p&gt;</comment>
                    </comments>
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