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    <title>MongoDB Jira</title>
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    <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>[JAVA-3756] When continued polling via the java driver using a resume token not in oplog, leads to mongos&apos;s crashing</title>
                <link>https://jira.mongodb.org/browse/JAVA-3756</link>
                <project id="10006" key="JAVA">Java Driver</project>
                    <description>&lt;p&gt;Leads to:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;build up of cursor counts in mongod&lt;/li&gt;
	&lt;li&gt;slow get-more queries&lt;/li&gt;
	&lt;li&gt;high CPU usage in mongod&lt;/li&gt;
	&lt;li&gt;high memory usage in mongos&lt;/li&gt;
&lt;/ol&gt;


&lt;p&gt;Observations:&lt;/p&gt;
&lt;ol&gt;
	&lt;li&gt;The&#160;&lt;tt&gt;maxAwaitTimeMS&lt;/tt&gt;&#160;set in the watch command not honoured by queries in mongod - Does not return result nor empty within timeout&#160;&lt;/li&gt;
	&lt;li&gt;The cursor.getnext operation creating new connections and cursors behind the scenes&lt;/li&gt;
	&lt;li&gt;If resume token is not matching any data, what is filling up in mongos memory?&lt;/li&gt;
&lt;/ol&gt;
</description>
                <environment></environment>
        <key id="1373781">JAVA-3756</key>
            <summary>When continued polling via the java driver using a resume token not in oplog, leads to mongos&apos;s crashing</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="9">Done</resolution>
                                        <assignee username="rachelle.palmer@mongodb.com">Rachelle Palmer</assignee>
                                    <reporter username="anmenon@adobe.com">Anand Menon</reporter>
                        <labels>
                    </labels>
                <created>Fri, 5 Jun 2020 18:01:35 +0000</created>
                <updated>Tue, 23 Jun 2020 12:44:17 +0000</updated>
                            <resolved>Tue, 23 Jun 2020 12:44:17 +0000</resolved>
                                    <version>3.6.4</version>
                                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="3193669" author="rachelle.palmer" created="Sat, 6 Jun 2020 12:40:43 +0000"  >&lt;p&gt;Hi there, thank you for reaching out. As this sounds like a support issue, we&apos;d like to point to resources to get this questioned answered:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;our MongoDB support portal, located at &lt;a href=&quot;https://support.mongodb.com/welcome&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;support.mongodb.com&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;our MongoDB community portal, located &lt;a href=&quot;https://developer.mongodb.com/community/forums/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;for Atlas users, there is a built in chat feature in the UI, accessible in the lower right hand corner (it looks like a chat icon). Chat is staffed 24/7 by support personnel.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Folks at any of those can assist in diagnosing and/or reproducing the issue. &lt;/p&gt;

&lt;p&gt;Rachelle&lt;/p&gt;</comment>
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