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        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-55667] Test resharding with real world parameters</title>
                <link>https://jira.mongodb.org/browse/SERVER-55667</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The task is to create a performance test that uses a realistic scenario to measure how resharding impacts customer&apos;s workloads.&lt;/p&gt;

&lt;p&gt;Rough sketch:&lt;br/&gt;
0. Insert initial dataset into a sharded cluster (initial size TBD).&lt;br/&gt;
1. Start workload that saturates a cluster&apos;s mongod primaries with CRUD operations (ratios TBD)&lt;br/&gt;
2. Start a resharding operation on this collection&lt;br/&gt;
3. Measure the latency and throughput impact of resharding on the reads/writes&lt;br/&gt;
4. Measure the amount of time the resharding coordinators spend in each state.&lt;br/&gt;
5. Confirm that the final data in the resharded collection has correct values.&lt;/p&gt;

&lt;p&gt;This could be incrementally improved over time. For example, read and write operations could vary with regards to using transactions, the contention to a particular set of shards/documents, the number of shards targeted in a transaction, with concurrent index builds running in the cluster, etc.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1667211">SERVER-55667</key>
            <summary>Test resharding with real world parameters</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="9">Done</resolution>
                                        <assignee username="amirsaman.memaripour@mongodb.com">Amirsaman Memaripour</assignee>
                                    <reporter username="lamont.nelson@mongodb.com">Lamont Nelson</reporter>
                        <labels>
                            <label>PM-234-T-autocommits</label>
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                <created>Wed, 31 Mar 2021 20:24:30 +0000</created>
                <updated>Tue, 29 Jun 2021 13:31:51 +0000</updated>
                            <resolved>Tue, 29 Jun 2021 13:31:51 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="3694917" author="lamont.nelson" created="Wed, 31 Mar 2021 20:29:46 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=garaudy.etienne&quot; class=&quot;user-hover&quot; rel=&quot;garaudy.etienne&quot;&gt;garaudy.etienne&lt;/a&gt; Pulling information about real world usage with regards to hardware resources, data size, and operation type distribution would be useful. Maybe a couple scenarios to start?&lt;/p&gt;</comment>
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