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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-1740] Add rate limiting to creation of system.profile entries</title>
                <link>https://jira.mongodb.org/browse/SERVER-1740</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;a href=&quot;https://docs.mongodb.com/manual/tutorial/manage-the-database-profiler/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;profiler&lt;/a&gt; can be used to capture information about slow queries against a particular database. Currently, the threshold in milliseconds over which a query is considered slow, as well as a probabilistic sample rate, can be used to configure how much data is stored in the &lt;tt&gt;system.profile&lt;/tt&gt; collection. This is important because collecting the diagnostic info has its own storage requirements and can impact performance.&lt;/p&gt;

&lt;p&gt;Under periods of heavy load or poor performance, however, the profiler can begin to generate entries at a high rate, which has a further negative affect on performance. In order to avoid this feedback loop, users may which to configure a maximum rate at which slow queries are collected. For instance, users might wish to record at most one slow query every minute, or at most 10 slow queries every second.&lt;/p&gt;</description>
                <environment></environment>
        <key id="13017">SERVER-1740</key>
            <summary>Add rate limiting to creation of system.profile entries</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="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="backlog-query-optimization">Backlog - Query Optimization</assignee>
                                    <reporter username="eliot">Eliot Horowitz</reporter>
                        <labels>
                            <label>metrics</label>
                            <label>stats</label>
                    </labels>
                <created>Mon, 6 Sep 2010 03:16:16 +0000</created>
                <updated>Tue, 6 Dec 2022 05:48:17 +0000</updated>
                                                                            <component>Diagnostics</component>
                                        <votes>4</votes>
                                    <watches>9</watches>
                                                                                                                <comments>
                            <comment id="1648762" author="david.storch" created="Tue, 15 Aug 2017 17:15:47 +0000"  >&lt;p&gt;I couldn&apos;t find another ticket for adding rate limiting behavior to the profiler. This would allow users to capture slow queries at &lt;em&gt;any&lt;/em&gt; maximum rate (one per minute, 10 per second, etc.) and therefore seems to be a more general solution. I will update the ticket title and description accordingly.&lt;/p&gt;</comment>
                            <comment id="1648571" author="ian@10gen.com" created="Tue, 15 Aug 2017 14:40:30 +0000"  >&lt;p&gt;ping &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=david.storch&quot; class=&quot;user-hover&quot; rel=&quot;david.storch&quot;&gt;david.storch&lt;/a&gt; to see if there&apos;s any duplicates of this.  Otherwise, backlog and the likely implementation would be a more configurable form of profiler rate limiting.&lt;/p&gt;</comment>
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