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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-71194] Make async_rpc::sendHedgeCommand kill unused cursors</title>
                <link>https://jira.mongodb.org/browse/SERVER-71194</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When async_rpc::sendHedgedCommand receives a response that will be used to satisfy the command, it cancels outstanding network operations. If these cancellations succeed, the NetworkInterface should clean up the underlying commands by sending _killOperations. However, if the network operations we&apos;re trying to cancel complete before our cancellation arrives, we need to explicitly send _killOperations to ensure we don&apos;t leak any cursors established by the completed operation.&#160;&lt;/p&gt;

&lt;p&gt;Let&apos;s ensure that async_rpc::sendHedgedCommand always sends _killOperations when there a network operation it initiated that:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;has started an ongoing operation on a remote node, or opened a cursor on a remote node&lt;/li&gt;
	&lt;li&gt;is not used to produce the response for the command&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;In such cases, _killOperations will ensure that the network operation that is not used to produce the response cannot leak any state, by cleaning up any remote cursors and ongoing remote operations it may have initiated.&#160;&#160;&lt;/p&gt;</description>
                <environment></environment>
        <key id="2178740">SERVER-71194</key>
            <summary>Make async_rpc::sendHedgeCommand kill unused cursors</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="3">Duplicate</resolution>
                                        <assignee username="backlog-server-servicearch">Backlog - Service Architecture</assignee>
                                    <reporter username="george.wangensteen@mongodb.com">George Wangensteen</reporter>
                        <labels>
                    </labels>
                <created>Tue, 8 Nov 2022 23:35:31 +0000</created>
                <updated>Mon, 12 Dec 2022 16:40:28 +0000</updated>
                            <resolved>Mon, 12 Dec 2022 16:40:28 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="5048120" author="george.wangensteen" created="Mon, 12 Dec 2022 16:40:28 +0000"  >&lt;p&gt;This work will be done when we implement the correct cancellation logic for the API in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-71764&quot; title=&quot;Implement cancellation contract for async_rpc operations&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-71764&quot;&gt;&lt;del&gt;SERVER-71764&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;</comment>
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