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    <title>MongoDB Jira</title>
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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-54206] Create a non-blocking API for the Fetcher class (or create an alternate class)</title>
                <link>https://jira.mongodb.org/browse/SERVER-54206</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b49345b43230e21fecef17e82fe00029dfc9fdee/src/mongo/client/fetcher.h#L51&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Fetcher&lt;/a&gt; class only has a blocking way of &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b49345b43230e21fecef17e82fe00029dfc9fdee/src/mongo/client/fetcher.h#L185&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;waiting for outstanding requests to complete&lt;/a&gt;. This is a problem in cases where we need to use the Fetcher from inside a thread pool. We should either create an alternative Fetcher class (e.g. AsyncFetcher) that provides a non-blocking version of the same functionality, or refactor the AsyncFetcher to allow it to provide both blocking and non-blocking APIs, and probably implement the blocking ones in terms of the non-blocking ones.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1609055">SERVER-54206</key>
            <summary>Create a non-blocking API for the Fetcher class (or create an alternate class)</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="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="jason.zhang@mongodb.com">Jason Zhang</assignee>
                                    <reporter username="matthew.saltz@mongodb.com">Matthew Saltz</reporter>
                        <labels>
                    </labels>
                <created>Tue, 2 Feb 2021 15:36:00 +0000</created>
                <updated>Sun, 29 Oct 2023 21:58:07 +0000</updated>
                            <resolved>Thu, 5 Aug 2021 19:00:45 +0000</resolved>
                                                    <fixVersion>5.0.4</fixVersion>
                    <fixVersion>5.1.0-rc0</fixVersion>
                                    <component>Internal Code</component>
                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="4108036" author="JIRAUSER1259052" created="Wed, 6 Oct 2021 18:55:03 +0000"  >&lt;p&gt;Updating the fixversion since branching activities occurred yesterday. This ticket will be in rc0 when it&#8217;s been triggered. For more active release information, please keep an eye on #server-release. Thank you!&lt;/p&gt;</comment>
                            <comment id="4072602" author="xgen-internal-githook" created="Mon, 20 Sep 2021 20:11:25 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jason Zhang&apos;, &apos;email&apos;: &apos;jason.zhang@mongodb.com&apos;, &apos;username&apos;: &apos;jz1242&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54206&quot; title=&quot;Create a non-blocking API for the Fetcher class (or create an alternate class)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54206&quot;&gt;&lt;del&gt;SERVER-54206&lt;/del&gt;&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54208&quot; title=&quot;Remove blocking call to Fetcher::join from TenantMigrationDonorService&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54208&quot;&gt;&lt;del&gt;SERVER-54208&lt;/del&gt;&lt;/a&gt; Create a non-blocking API for the Fetcher class (or create an alternate class)&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 1f8ccdbff6715cbeb214d5b107f9598e5aeeb5e6)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/d8d2e781f11b8c304e15960d88d31592c2d1bd26&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/d8d2e781f11b8c304e15960d88d31592c2d1bd26&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3983799" author="xgen-internal-githook" created="Thu, 5 Aug 2021 18:59:38 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jason Zhang&apos;, &apos;email&apos;: &apos;jason.zhang@mongodb.com&apos;, &apos;username&apos;: &apos;jz1242&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54206&quot; title=&quot;Create a non-blocking API for the Fetcher class (or create an alternate class)&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54206&quot;&gt;&lt;del&gt;SERVER-54206&lt;/del&gt;&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54208&quot; title=&quot;Remove blocking call to Fetcher::join from TenantMigrationDonorService&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54208&quot;&gt;&lt;del&gt;SERVER-54208&lt;/del&gt;&lt;/a&gt; Create a non-blocking API for the Fetcher class (or create an alternate class)&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1f8ccdbff6715cbeb214d5b107f9598e5aeeb5e6&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1f8ccdbff6715cbeb214d5b107f9598e5aeeb5e6&lt;/a&gt;&lt;/p&gt;</comment>
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