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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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            <title>[SERVER-78557] Allow targeting to wait until there is a significant topology change before using a retry</title>
                <link>https://jira.mongodb.org/browse/SERVER-78557</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;In the current version of the code we have &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2285ffddafaab361411832956e15c20fd42513b2/src/mongo/s/client/shard.cpp#L185&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;retry loops with no backoff&lt;/a&gt; and &lt;a href=&quot;https://github.com/mongodb/mongo/blob/2285ffddafaab361411832956e15c20fd42513b2/src/mongo/client/streamable_replica_set_monitor.cpp#L476&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;asynchronous replica set monitor failure notification&lt;/a&gt;. This creates the scenario where a request can fail, the calling thread &lt;a href=&quot;https://github.com/10gen/mongo/blob/e580e5cfff925cce3ecbe74a0062d4d5a8b9ac1e/src/mongo/client/remote_command_targeter_rs.cpp#L110&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;calls failedHost&lt;/a&gt; on the RSM, and the retry loop then immediately tries another request. This will happen within the span of microseconds, and the next attempt may result in the same failure due to not enough time passing.&lt;/p&gt;

&lt;p&gt;This ticket is to improve this behavior by blocking the targeter when an error occurs, such as NotPrimary or InterruptedDueToReplStateChange (list not exhaustive), such that we return from the &lt;a href=&quot;https://github.com/10gen/mongo/blob/2c443478c0490cedd3b26638d0345145ff8bba4b/src/mongo/client/remote_command_targeter.h#L84&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;method that reports the failure to the RSM&lt;/a&gt; once the getHostsOrRefresh request of the RSM will return a different result (or a timeout occurs).&lt;/p&gt;</description>
                <environment></environment>
        <key id="2380813">SERVER-78557</key>
            <summary>Allow targeting to wait until there is a significant topology change before using a retry</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="wenqin.ye@mongodb.com">Wenqin Ye</assignee>
                                    <reporter username="lamont.nelson@mongodb.com">Lamont Nelson</reporter>
                        <labels>
                            <label>sharding-nyc-subteam3</label>
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                <created>Thu, 29 Jun 2023 22:57:29 +0000</created>
                <updated>Tue, 31 Oct 2023 02:19:22 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>2</watches>
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