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    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <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-72188] Router index cache get should retry on ReadThroughCacheLookupCanceled error</title>
                <link>https://jira.mongodb.org/browse/SERVER-72188</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;ReadThroughCacheLookupCanceled is an error generated &lt;a href=&quot;https://github.com/10gen/mongo/blob/42a5735233ce607c39ccb52e4139fdd95519b865/src/mongo/util/read_through_cache.cpp#L62-L70&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;in the read through cache&lt;/a&gt; (which the index cache &lt;a href=&quot;https://github.com/10gen/mongo/blob/42a5735233ce607c39ccb52e4139fdd95519b865/src/mongo/s/global_index_cache.h#L172-L173&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;is based on&lt;/a&gt;). When a lookup request finishes successfully then &lt;a href=&quot;https://github.com/10gen/mongo/blob/42a5735233ce607c39ccb52e4139fdd95519b865/src/mongo/util/read_through_cache.h#L363-L364&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;it cancels all in progress lookups&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;This error is happening because in the index cache the ReadThroughCacheLookupCanceled error &lt;a href=&quot;https://github.com/10gen/mongo/blob/42a5735233ce607c39ccb52e4139fdd95519b865/src/mongo/s/catalog_cache.cpp#L499-L501&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;is not being captured and retried&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;This problem is not happening for the collection cache because the requests are being handled in the &lt;a href=&quot;https://github.com/10gen/mongo/blob/42a5735233ce607c39ccb52e4139fdd95519b865/src/mongo/db/s/shard_filtering_metadata_refresh.cpp#L472&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;refresh&lt;/a&gt;, and there the convoy is being prevented.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2214034">SERVER-72188</key>
            <summary>Router index cache get should retry on ReadThroughCacheLookupCanceled error</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="13201">Fixed</resolution>
                                        <assignee username="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</assignee>
                                    <reporter username="marcos.grillo@mongodb.com">Marcos Jos&#233; Grillo Ramirez</reporter>
                        <labels>
                    </labels>
                <created>Fri, 16 Dec 2022 18:01:37 +0000</created>
                <updated>Sun, 29 Oct 2023 21:29:10 +0000</updated>
                            <resolved>Thu, 5 Jan 2023 13:06:12 +0000</resolved>
                                                    <fixVersion>6.3.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5092541" author="xgen-internal-githook" created="Thu, 5 Jan 2023 12:54:49 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Marcos Jos&#233; Grillo Ramirez&apos;, &apos;email&apos;: &apos;marcos.grillo@mongodb.com&apos;, &apos;username&apos;: &apos;m4nti5&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-72188&quot; title=&quot;Router index cache get should retry on ReadThroughCacheLookupCanceled error&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-72188&quot;&gt;&lt;del&gt;SERVER-72188&lt;/del&gt;&lt;/a&gt; Retry index cache get on ReadThroughCacheLookupCanceled error&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/4eb914f5f553848e740b95a764171a322bed1b8a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/4eb914f5f553848e740b95a764171a322bed1b8a&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="2058048">SERVER-66863</issuekey>
        </issuelink>
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