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    <title>MongoDB Jira</title>
    <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-61950] ReshardingOplogFetcher waits on network request completing without interruption, potentially preventing shard step-up from ever completing</title>
                <link>https://jira.mongodb.org/browse/SERVER-61950</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://github.com/mongodb/mongo/blob/r5.0.5/src/mongo/db/s/resharding/resharding_oplog_fetcher.cpp#L313&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;The ReshardingOplogFetcher uses ShardRemote::runAggregation()&lt;/a&gt; to run resharding&apos;s oplog fetching pipeline. &lt;a href=&quot;https://github.com/mongodb/mongo/blob/r5.0.5/src/mongo/s/client/shard_remote.cpp#L496-L510&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ShardRemote::runAggregation() uses the Fetcher class to schedule the remote network requests&lt;/a&gt;. Fetcher::join() doesn&apos;t wait using an OperationContext so it continues to block even after the node steps down. For as long as the network request continues to run on the remote node, the the still&amp;#45;active Instance will prevent PrimaryOnlyService::onStepUp() and the overall step&amp;#45;up procedure from completing.&lt;/p&gt;

&lt;p&gt;We should instead have Fetcher::join() wait using an OperationContext so the Fetcher::~Fetcher() destructor can abandon waiting for the remote network request.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1944327">SERVER-61950</key>
            <summary>ReshardingOplogFetcher waits on network request completing without interruption, potentially preventing shard step-up from ever completing</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="max.hirschhorn@mongodb.com">Max Hirschhorn</assignee>
                                    <reporter username="max.hirschhorn@mongodb.com">Max Hirschhorn</reporter>
                        <labels>
                            <label>sharding-nyc-subteam1</label>
                    </labels>
                <created>Tue, 7 Dec 2021 21:01:34 +0000</created>
                <updated>Sun, 29 Oct 2023 21:45:14 +0000</updated>
                            <resolved>Fri, 10 Dec 2021 15:12:12 +0000</resolved>
                                    <version>5.0.0</version>
                    <version>5.1.0</version>
                                    <fixVersion>5.3.0</fixVersion>
                    <fixVersion>5.1.2</fixVersion>
                    <fixVersion>5.0.6</fixVersion>
                    <fixVersion>5.2.0-rc1</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4240735" author="xgen-internal-githook" created="Fri, 10 Dec 2021 13:38:54 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Max Hirschhorn&apos;, &apos;email&apos;: &apos;max.hirschhorn@mongodb.com&apos;, &apos;username&apos;: &apos;visemet&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61950&quot; title=&quot;ReshardingOplogFetcher waits on network request completing without interruption, potentially preventing shard step-up from ever completing&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61950&quot;&gt;&lt;del&gt;SERVER-61950&lt;/del&gt;&lt;/a&gt; Make Fetcher::join() interruptible.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 0241ba4289618d77b2f3b9a3a3d07a6d08d2c432)&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f0fba3a5505a21fe7e4044535aeb342c7e5e48f1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f0fba3a5505a21fe7e4044535aeb342c7e5e48f1&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4240691" author="xgen-internal-githook" created="Fri, 10 Dec 2021 13:12:39 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Max Hirschhorn&apos;, &apos;email&apos;: &apos;max.hirschhorn@mongodb.com&apos;, &apos;username&apos;: &apos;visemet&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61950&quot; title=&quot;ReshardingOplogFetcher waits on network request completing without interruption, potentially preventing shard step-up from ever completing&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61950&quot;&gt;&lt;del&gt;SERVER-61950&lt;/del&gt;&lt;/a&gt; Make Fetcher::join() interruptible.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 0241ba4289618d77b2f3b9a3a3d07a6d08d2c432)&lt;br/&gt;
Branch: v5.1&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/3cb0d2090a9fe01e0943bae92affb7c6308c32b7&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/3cb0d2090a9fe01e0943bae92affb7c6308c32b7&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4240690" author="xgen-internal-githook" created="Fri, 10 Dec 2021 13:12:36 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Max Hirschhorn&apos;, &apos;email&apos;: &apos;max.hirschhorn@mongodb.com&apos;, &apos;username&apos;: &apos;visemet&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61950&quot; title=&quot;ReshardingOplogFetcher waits on network request completing without interruption, potentially preventing shard step-up from ever completing&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61950&quot;&gt;&lt;del&gt;SERVER-61950&lt;/del&gt;&lt;/a&gt; Make Fetcher::join() interruptible.&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 0241ba4289618d77b2f3b9a3a3d07a6d08d2c432)&lt;br/&gt;
Branch: v5.2&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1dfc97d44c590bf2395d1d68a443c223ea4e25db&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1dfc97d44c590bf2395d1d68a443c223ea4e25db&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4240311" author="xgen-internal-githook" created="Fri, 10 Dec 2021 06:39:56 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Max Hirschhorn&apos;, &apos;email&apos;: &apos;max.hirschhorn@mongodb.com&apos;, &apos;username&apos;: &apos;visemet&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61950&quot; title=&quot;ReshardingOplogFetcher waits on network request completing without interruption, potentially preventing shard step-up from ever completing&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61950&quot;&gt;&lt;del&gt;SERVER-61950&lt;/del&gt;&lt;/a&gt; Make Fetcher::join() interruptible.&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/0241ba4289618d77b2f3b9a3a3d07a6d08d2c432&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/0241ba4289618d77b2f3b9a3a3d07a6d08d2c432&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1903514">SERVER-60859</issuekey>
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