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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-54333] Consider increasing MigrationDestinationManager::startCommit timeout</title>
                <link>https://jira.mongodb.org/browse/SERVER-54333</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;If there is any network error when the &lt;tt&gt;moveChunk&lt;/tt&gt; receiver communicates with the config server, the operation fails after hanging for 30 seconds (&lt;tt&gt;startCommit timeout == timeout before retrying a failed network request&lt;/tt&gt;).&lt;/p&gt;

&lt;h4&gt;&lt;a name=&quot;Detailedexplanation&quot;&gt;&lt;/a&gt;Detailed explanation&lt;/h4&gt;

&lt;p&gt;In the &lt;tt&gt;moveChunk&lt;/tt&gt; flow - on the receiver side - the &lt;tt&gt;migrateThread&lt;/tt&gt; is calling &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b360736c85080cfbd8ccdd7c5edddc553a7f6285/src/mongo/db/s/migration_destination_manager.cpp#L886&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;MigrationDestinationManager::_migrateDriver&lt;/a&gt; in order to perform the necessary steps. After that, it notifies the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b360736c85080cfbd8ccdd7c5edddc553a7f6285/src/mongo/db/s/migration_destination_manager.cpp#L895&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;_isActiveCV&lt;/a&gt; condition variable on which &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b360736c85080cfbd8ccdd7c5edddc553a7f6285/src/mongo/db/s/migration_destination_manager.cpp#L576&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;startCommit waits&lt;/a&gt; for a maximum of &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b360736c85080cfbd8ccdd7c5edddc553a7f6285/src/mongo/db/s/migration_destination_manager.cpp#L573&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;30 seconds&lt;/a&gt;.&lt;/p&gt;

&lt;p&gt;After each &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b360736c85080cfbd8ccdd7c5edddc553a7f6285/src/mongo/db/s/migration_destination_manager.cpp#L886&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;MigrationDestinationManager::_migrateDriver&lt;/a&gt;&apos;s step, the state is logged on the CSRS through the &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b360736c85080cfbd8ccdd7c5edddc553a7f6285/src/mongo/db/s/migration_destination_manager.cpp#L917-L918&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;MoveTimingHelper&lt;/a&gt; that calls into the &lt;tt&gt;ShardingLogger&lt;/tt&gt; to &lt;a href=&quot;https://github.com/mongodb/mongo/blob/12585ccedf9215901d21351d6f5da9f2dd337395/src/mongo/db/s/sharding_logging.cpp#L123&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;insert a config document&lt;/a&gt;. As highlighted in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-51397&quot; title=&quot;Mongos fails to serve requests for 30 secs when losing comm with one config replica set node&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-51397&quot;&gt;&lt;del&gt;SERVER-51397&lt;/del&gt;&lt;/a&gt;, if a network partition happens during a CatalogClient request, the first retry happens after 30 seconds (too late because the startCommit timeout is exactly 30 seconds).&lt;/p&gt;</description>
                <environment></environment>
        <key id="1613920">SERVER-54333</key>
            <summary>Consider increasing MigrationDestinationManager::startCommit timeout</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</assignee>
                                    <reporter username="pierlauro.sciarelli@mongodb.com">Pierlauro Sciarelli</reporter>
                        <labels>
                            <label>Sharding-EMEA</label>
                            <label>sharding-wfbf-day</label>
                    </labels>
                <created>Fri, 5 Feb 2021 13:51:46 +0000</created>
                <updated>Sun, 29 Oct 2023 21:57:54 +0000</updated>
                            <resolved>Thu, 18 Mar 2021 19:50:41 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                                    <component>Sharding</component>
                                        <votes>0</votes>
                                    <watches>0</watches>
                                                                                                                <comments>
                            <comment id="3671904" author="xgen-internal-githook" created="Thu, 18 Mar 2021 18:46:05 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Pierlauro Sciarelli&apos;, &apos;email&apos;: &apos;pierlauro.sciarelli@mongodb.com&apos;, &apos;username&apos;: &apos;pierlauro&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54333&quot; title=&quot;Consider increasing MigrationDestinationManager::startCommit timeout&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54333&quot;&gt;&lt;del&gt;SERVER-54333&lt;/del&gt;&lt;/a&gt; Consider increasing MigrationDestinationManager::startCommit timeout&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/138acafd27f145622506ef422a48c056fb4883df&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/138acafd27f145622506ef422a48c056fb4883df&lt;/a&gt;&lt;/p&gt;</comment>
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