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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-17227] Verbose query logging improvements</title>
                <link>https://jira.mongodb.org/browse/SERVER-17227</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The verbose query logs at logLevel 5 can prove immensely helpful for understanding how a query is executing. We should do a pass in order to clean up what information we generate, and also to make logLevel 4 useful. Currently, operators of live systems may wish to enable verbosity 0 or 1 for the query log component. Developers may wish to enable verbosity 5. However, levels 2-4 are rarely useful.&lt;/p&gt;

&lt;p&gt;The &quot;query&quot; log component at logLevel 4 should give some high-level detail about the steps the planner is taking in order to plan a query. It should provide the following:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;The parsed query.&lt;/li&gt;
	&lt;li&gt;The tagged and &quot;rated&quot; MatchExpression tree.&lt;/li&gt;
	&lt;li&gt;The candidate plans generated, and their scores.&lt;/li&gt;
	&lt;li&gt;An indication of which plan won.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;At logLevel 5, we may provide additional details from each planning step. For instance, verbosity 5 may generate messages describing some of the details of predicate assignment in the access planner or details of covering analysis in the PlannerAnalysis step.&lt;/p&gt;</description>
                <environment></environment>
        <key id="183244">SERVER-17227</key>
            <summary>Verbose query logging improvements</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-execution">Backlog - Query Execution</assignee>
                                    <reporter username="rassi">J Rassi</reporter>
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                <created>Mon, 9 Feb 2015 07:59:22 +0000</created>
                <updated>Tue, 6 Dec 2022 04:55:52 +0000</updated>
                                                                            <component>Diagnostics</component>
                    <component>Querying</component>
                                        <votes>0</votes>
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