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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-73863] Test that configuring telemetry cache size to 0 will clear the cache</title>
                <link>https://jira.mongodb.org/browse/SERVER-73863</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This seems like a somewhat common scenario where an administrator would want to clear the cache out if the process is running low on memory or if they decide that telemetry cannot be recorded. Let&apos;s just make sure nothing crashes and that we do indeed clear out the cache. &lt;/p&gt;</description>
                <environment></environment>
        <key id="2259711">SERVER-73863</key>
            <summary>Test that configuring telemetry cache size to 0 will clear the cache</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="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="13201">Fixed</resolution>
                                        <assignee username="maddie.zechar@mongodb.com">Maddie Zechar</assignee>
                                    <reporter username="charlie.swanson@mongodb.com">Charlie Swanson</reporter>
                        <labels>
                    </labels>
                <created>Thu, 9 Feb 2023 22:52:56 +0000</created>
                <updated>Sun, 29 Oct 2023 21:26:33 +0000</updated>
                            <resolved>Fri, 17 Mar 2023 15:23:36 +0000</resolved>
                                                    <fixVersion>7.0.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="5278221" author="xgen-internal-githook" created="Thu, 16 Mar 2023 16:42:08 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Maddie Zechar&apos;, &apos;email&apos;: &apos;mez2113@columbia.edu&apos;, &apos;username&apos;: &apos;&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-73863&quot; title=&quot;Test that configuring telemetry cache size to 0 will clear the cache&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-73863&quot;&gt;&lt;del&gt;SERVER-73863&lt;/del&gt;&lt;/a&gt; allow cluster admin to reset telemetry store to 0 bytes&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6874e02c337a73f20ebb883c0a8e98d491768c89&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6874e02c337a73f20ebb883c0a8e98d491768c89&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5256093" author="maddie.zechar" created="Tue, 7 Mar 2023 17:27:05 +0000"  >&lt;p&gt;Oh gosh, butterfingers. Here is the raw link &lt;a href=&quot;https://github.com/10gen/mongo/blob/dd2220a2224fd855743af88060b0a94e65a378cd/src/mongo/db/query/util/memory_util.cpp#L96-L98&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/mongo/blob/dd2220a2224fd855743af88060b0a94e65a378cd/src/mongo/db/query/util/memory_util.cpp#L96-L98&lt;/a&gt;&lt;/p&gt;

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

&lt;p&gt;and ok, sounds good&lt;/p&gt;</comment>
                            <comment id="5255490" author="charlie.swanson" created="Tue, 7 Mar 2023 14:49:14 +0000"  >&lt;p&gt;Oh no! The link to the uassert is just linking me back to this ticket (wrong copy/paste?), but yeah I think setting to minimum size would be fine. Or perhaps making it a nullable pointer to the telemetry store - something to effectively clear it.&lt;/p&gt;</comment>
                            <comment id="5253199" author="maddie.zechar" created="Mon, 6 Mar 2023 21:37:48 +0000"  >&lt;p&gt;I think the use case described in the ticket makes a lot of sense. However, this setting the cache size to 0 trips &lt;a href=&quot;#L97].&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;this uassert &lt;/a&gt;&#160;&lt;/p&gt;

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

&lt;p&gt;Perhaps when a user tries to set the cache to 0, we could clear the cache and set it to the minimum required size?&lt;/p&gt;</comment>
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