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    <title>MongoDB Jira</title>
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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[DRIVERS-1847] Improve guidance around connection pinning on error in cursors</title>
                <link>https://jira.mongodb.org/browse/DRIVERS-1847</link>
                <project id="10980" key="DRIVERS">Drivers</project>
                    <description>&lt;p&gt;The load balancer spec currently states:&lt;/p&gt;
&lt;blockquote&gt;
&lt;p&gt;If a getMore fails with a network error, drivers MUST leave the connection pinned to the cursor.&lt;/p&gt;&lt;/blockquote&gt;

&lt;p&gt;however, we have tests which prove that we also do not unpin on &lt;a href=&quot;https://github.com/mongodb/specifications/blob/master/source/load-balancers/tests/cursors.yml#L271-L317&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;non-network errors&lt;/a&gt;. I think the spec language should be changed to state that we should not unpin on &lt;em&gt;any&lt;/em&gt; error.&lt;/p&gt;

&lt;p&gt;Additionally, drivers which have lazy cursors (like the Node driver) may need to distinguish pinning rules between cursor initialization and iteration. I suggest an update to state that all errors on initialization should &lt;em&gt;not&lt;/em&gt; pin, while errors on &lt;tt&gt;getMore&lt;/tt&gt; should follow the rules above.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1816805">DRIVERS-1847</key>
            <summary>Improve guidance around connection pinning on error in cursors</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="matt.broadstone@mongodb.com">Matt Broadstone</reporter>
                        <labels>
                    </labels>
                <created>Tue, 13 Jul 2021 22:27:34 +0000</created>
                <updated>Thu, 31 Mar 2022 13:43:23 +0000</updated>
                                                                <component>Load Balancer</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="3963252" author="alexander.golin" created="Mon, 26 Jul 2021 16:46:29 +0000"  >&lt;p&gt;Based on the triage discussion amongst the leads, we are opting to put this in the backlog for now. If any driver teams are experiencing a lot of pain around this issue, please capture it here and we will reprioritize. &lt;/p&gt;</comment>
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