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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-12123] audit interrupt points for new query system runners</title>
                <link>https://jira.mongodb.org/browse/SERVER-12123</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Right now the query system doesn&apos;t do a good job of checking whether the operation has been killed using&lt;/p&gt;
&lt;p/&gt;
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&lt;p/&gt;
&lt;p&gt;This can make it impossible to kill long-running queries. Runners should check for interrupt inside their getNext() method.&lt;/p&gt;</description>
                <environment></environment>
        <key id="102757">SERVER-12123</key>
            <summary>audit interrupt points for new query system runners</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="david.storch@mongodb.com">David Storch</assignee>
                                    <reporter username="david.storch@mongodb.com">David Storch</reporter>
                        <labels>
                    </labels>
                <created>Mon, 16 Dec 2013 19:22:17 +0000</created>
                <updated>Wed, 10 Dec 2014 23:11:42 +0000</updated>
                            <resolved>Wed, 22 Jan 2014 21:48:39 +0000</resolved>
                                    <version>2.5.4</version>
                                                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="471391" author="milkie" created="Mon, 16 Dec 2013 20:18:05 +0000"  >&lt;p&gt;Definitely still a good idea to audit the new runner to make sure interrupt points (and yield points) are hit at all proper times through the loop; a lot has changed since the original query code.&lt;/p&gt;</comment>
                            <comment id="471386" author="david.storch" created="Mon, 16 Dec 2013 20:11:31 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=milkie&quot; class=&quot;user-hover&quot; rel=&quot;milkie&quot;&gt;milkie&lt;/a&gt;, good to know, thanks. Discussed with Hari earlier and thought there may be some missing interrupt points in the runners. If we already check for interrupt at yield points, then there may not be any action to take here.&lt;/p&gt;</comment>
                            <comment id="471385" author="milkie" created="Mon, 16 Dec 2013 20:06:37 +0000"  >&lt;p&gt;In general, I believe that we check for interrupt at yield points, and a well-behaved query will yield at a reasonable interval.&lt;br/&gt;
Unfortunately, the &quot;sleep&quot; functionality does not yield (I think it just calls process sleep for the amount of time requested), and thus is not a good test of the killing/yielding functionality.&lt;/p&gt;</comment>
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