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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-45655] refine_collection_shard_key_basic.js shouldn&apos;t check for changelog entries on sharding_csrs_continuous_config_stepdown suite</title>
                <link>https://jira.mongodb.org/browse/SERVER-45655</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;refine_collection_shard_key_basic.js checks if entries associated with refineCollectionShardKey are correctly inserted into the changelog.&lt;br/&gt;
 In the case that the primary stepdown do to a failure, it is not guaranteed that these entries are committed on the changelog.&lt;br/&gt;
 In particular for every refineCollectionShardKey operation it could be possible to have:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;one or more `refineCollectionShardKey.start` entry in the changelog &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-43201&quot; title=&quot;Allow refine_collection_shard_key_basic.js to have more than one config.changelogs entry after completion of refine command, to account for stepdowns&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-43201&quot;&gt;&lt;del&gt;SERVER-43201&lt;/del&gt;&lt;/a&gt;&lt;/li&gt;
	&lt;li&gt;one or zero `refineCollectionShardKey.end` entry in the changelog. &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-44099&quot; title=&quot;Allow refine_collection_shard_key_basic.js to have less than the desired number of &amp;#39;end&amp;#39; config.changelog entries, to account for stepdowns&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-44099&quot;&gt;&lt;del&gt;SERVER-44099&lt;/del&gt;&lt;/a&gt;&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Unfortunately the two implemented solution failed to address the problem.&lt;/p&gt;

&lt;p&gt;The bug was introduced by:&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/76208a78621cfe67d417a5781f9202580f1b2608&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/76208a78621cfe67d417a5781f9202580f1b2608&lt;/a&gt;&lt;/p&gt;</description>
                <environment></environment>
        <key id="1104919">SERVER-45655</key>
            <summary>refine_collection_shard_key_basic.js shouldn&apos;t check for changelog entries on sharding_csrs_continuous_config_stepdown suite</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="tommaso.tocci@mongodb.com">Tommaso Tocci</assignee>
                                    <reporter username="tommaso.tocci@mongodb.com">Tommaso Tocci</reporter>
                        <labels>
                            <label>sharding-csrs-stepdown-upkeep</label>
                    </labels>
                <created>Mon, 20 Jan 2020 12:43:29 +0000</created>
                <updated>Sun, 29 Oct 2023 22:13:06 +0000</updated>
                            <resolved>Tue, 21 Jan 2020 14:12:24 +0000</resolved>
                                                    <fixVersion>4.3.3</fixVersion>
                                    <component>Sharding</component>
                    <component>Testing Infrastructure</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
                                                                                                                <comments>
                            <comment id="2747021" author="xgen-internal-githook" created="Tue, 21 Jan 2020 14:06:35 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;username&apos;: &apos;toto-dev&apos;, &apos;name&apos;: &apos;Tommaso Tocci&apos;, &apos;email&apos;: &apos;tommaso.tocci@mongodb.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-45655&quot; title=&quot;refine_collection_shard_key_basic.js shouldn&amp;#39;t check for changelog entries on sharding_csrs_continuous_config_stepdown suite&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-45655&quot;&gt;&lt;del&gt;SERVER-45655&lt;/del&gt;&lt;/a&gt; fix refine_collection_shard_key_basic.js under continuous_config_stepdown suite&lt;/p&gt;

&lt;p&gt;refine_collection_shard_key_basic.js checks if entries associated with&lt;br/&gt;
refineCollectionShardKey are correctly inserted into the changelog.&lt;br/&gt;
In the case that the primary stepdown do to a failure,&lt;br/&gt;
it is not guaranteed that these entries are committed on the changelog.&lt;/p&gt;

&lt;p&gt;This commit introduces the following changes:&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;refine_collection_shard_key_basic.js does not perform any check on&lt;br/&gt;
   the changelog entries so that it can be run in the continuous_config_stepdown suite.&lt;/li&gt;
	&lt;li&gt;introduces a new refine_collection_shard_key_changelog.js test with the only purpose of checking&lt;br/&gt;
   that changelog entries are inserted correctly for the refineCollectionShardKey operation.&lt;br/&gt;
   This test is blacklisted in the continuous_config_stepdown suite.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt; create mode 100644 jstests/sharding/refine_collection_shard_key_changelog.js&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/1539a4c9dd24a257cc073bbf291c2015c45f905c&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/1539a4c9dd24a257cc073bbf291c2015c45f905c&lt;/a&gt;&lt;/p&gt;</comment>
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