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    <title>MongoDB Jira</title>
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    <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-9075] killOp() is not working for aggregate framework</title>
                <link>https://jira.mongodb.org/browse/SERVER-9075</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Running an aggregate operation against a collection of 50 million documents in a nonsharded env. The operation is taking hours (&amp;gt; 6 ) to&lt;br/&gt;
finish, because of the nature of the call - requires a complete scan of indexes and possibily documents. Averege document size is about 600 bytes&lt;br/&gt;
and also has several indexes (20). &lt;/p&gt;

&lt;p&gt;The problem is with the cancel. I am trying to kill the operation using killOp(). However,the aggregation is continuing without getting interrupted for several hours.&lt;br/&gt;
Currentop() is recognizing the request -  &apos;killPending&apos; :true. &lt;/p&gt;

&lt;p&gt;Aggregation is something like.&lt;/p&gt;

&lt;p&gt;{$group:{ _id : &lt;/p&gt;
{org: &quot;$org&quot;}
&lt;p&gt;,  user:{$last:\&quot;$author\&quot;},logintime:{$last:\&quot;$logintime\&quot;}, &quot;{$group:{_id: $author,total:{$sum:\&quot;$time\&quot;},count: {$sum:1}}}&lt;/p&gt;</description>
                <environment>Linux - x64 server</environment>
        <key id="69353">SERVER-9075</key>
            <summary>killOp() is not working for aggregate framework</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</type>
                                            <priority id="1" iconUrl="https://jira.mongodb.org/images/icons/priorities/blocker.svg">Blocker - P1</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="5">Cannot Reproduce</resolution>
                                        <assignee username="mathias@mongodb.com">Mathias Stearn</assignee>
                                    <reporter username="rgovindan">Ranjith Govindan</reporter>
                        <labels>
                    </labels>
                <created>Fri, 22 Mar 2013 02:08:40 +0000</created>
                <updated>Wed, 10 Dec 2014 23:19:03 +0000</updated>
                            <resolved>Wed, 12 Feb 2014 15:08:12 +0000</resolved>
                                    <version>2.4.0</version>
                                                    <component>Aggregation Framework</component>
                    <component>MapReduce</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="334692" author="redbeard0531" created="Mon, 13 May 2013 19:33:03 +0000"  >&lt;p&gt;mathias@10gen.com. I&apos;ll be sure to delete the data as soon as I am done with it.&lt;/p&gt;

&lt;p&gt;Thank you.&lt;/p&gt;</comment>
                            <comment id="334689" author="rgovindan" created="Mon, 13 May 2013 19:30:52 +0000"  >&lt;p&gt;Thank You. I can provide the dump of the data we have and the queries. I will upload it on ftp server and provide credentials. Can you send me the e-mail id to which i can send the details? Please note that this data may contain proprietary information, so please use it only for debugging purpose (internally). &lt;/p&gt;</comment>
                            <comment id="334636" author="redbeard0531" created="Mon, 13 May 2013 18:40:41 +0000"  >&lt;p&gt;We are still interested in fixing this, but have been unable to repro on our own. If you can find a way to repro this we would like to solve it.&lt;/p&gt;</comment>
                            <comment id="330253" author="redbeard0531" created="Tue, 7 May 2013 14:52:56 +0000"  >&lt;p&gt;I have been unable to repro this, and have manually verified that the codepath for the provided pipeline would do the required calls to check for interrupts. How long did you wait after calling killOp? Could you produce a full repro script including data-generation?&lt;/p&gt;</comment>
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