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            <title>[SERVER-35505] nShards metric includes shards which produced StaleConfigException and were subsequently de-targeted</title>
                <link>https://jira.mongodb.org/browse/SERVER-35505</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;On &lt;tt&gt;mongos&lt;/tt&gt;, we log the number of shards involved in an operation via the &lt;tt&gt;nShards&lt;/tt&gt; metric. However, in the &lt;tt&gt;mongoS&lt;/tt&gt; write path (and possible elsewhere), if a shard returns a &lt;tt&gt;StaleConfig&lt;/tt&gt; exception&#160;and is not present in the set of shards re-targeted by the&#160;&lt;tt&gt;mongoS&lt;/tt&gt;&#160;after it refreshes its routing table, we still include the shard in the &lt;tt&gt;nShards&lt;/tt&gt;&#160;count.&lt;/p&gt;</description>
                <environment></environment>
        <key id="556141">SERVER-35505</key>
            <summary>nShards metric includes shards which produced StaleConfigException and were subsequently de-targeted</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="4" iconUrl="https://jira.mongodb.org/images/icons/priorities/minor.svg">Minor - P4</priority>
                        <status id="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
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                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-query-execution">Backlog - Query Execution</assignee>
                                    <reporter username="bernard.gorman@mongodb.com">Bernard Gorman</reporter>
                        <labels>
                            <label>query-44-grooming</label>
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                <created>Fri, 8 Jun 2018 14:40:56 +0000</created>
                <updated>Tue, 6 Dec 2022 03:26:48 +0000</updated>
                                            <version>3.7.4</version>
                    <version>4.0.0-rc4</version>
                                                    <component>Logging</component>
                    <component>Sharding</component>
                                        <votes>0</votes>
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