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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-32442] Don&#8217;t concatenate unique fields of LinkStoreMongoDb documents to use for _id</title>
                <link>https://jira.mongodb.org/browse/SERVER-32442</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;For the MongoDB linkbench POC, the &lt;tt&gt;applyOps&lt;/tt&gt; command was used to emulate transactions, but, for document updates within an &lt;tt&gt;applyOps&lt;/tt&gt; command, there is no support for querying a document by anything other than it&apos;s &lt;tt&gt;_id&lt;/tt&gt; field, even if the query would uniquely identify a document. This seems like a restriction that shouldn&apos;t be present for multi-statement transactions. Once transactional updates support querying unique documents by non &lt;tt&gt;_id&lt;/tt&gt; fields, we should change the schema of the Link documents and Count documents, so they don&apos;t have to awkwardly concatenate their unique fields for their &lt;tt&gt;_id&lt;/tt&gt;. Removing the concatenated &lt;tt&gt;_id&lt;/tt&gt; should make the benchmark more analogous to the MySQL schema used for its benchmark.&lt;/p&gt;</description>
                <environment></environment>
        <key id="475323">SERVER-32442</key>
            <summary>Don&#8217;t concatenate unique fields of LinkStoreMongoDb documents to use for _id</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-repl">Backlog - Replication Team</assignee>
                                    <reporter username="william.schultz@mongodb.com">William Schultz</reporter>
                        <labels>
                            <label>Linkbench</label>
                    </labels>
                <created>Thu, 21 Dec 2017 17:37:45 +0000</created>
                <updated>Tue, 6 Dec 2022 03:43:15 +0000</updated>
                                                                            <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>7</watches>
                                                                                                                <comments>
                            <comment id="2707659" author="henrik.ingo@10gen.com" created="Tue, 7 Jan 2020 08:09:04 +0000"  >&lt;p&gt;Hi&lt;/p&gt;

&lt;p&gt;This was done when we updated the code to use real transactions. This ticket can be closed.&lt;/p&gt;

&lt;p&gt;See &lt;a href=&quot;https://github.com/10gen/linkbench/blob/master/README.md#running-a-benchmark-with-mongodb&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/10gen/linkbench/blob/master/README.md#running-a-benchmark-with-mongodb&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1896855" author="ian@10gen.com" created="Mon, 21 May 2018 13:34:18 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=tess.avitabile&quot; class=&quot;user-hover&quot; rel=&quot;tess.avitabile&quot;&gt;tess.avitabile&lt;/a&gt; this doesn&apos;t need to be done as part of the transaction perf support project, so assigning back to repl for triage.&lt;/p&gt;</comment>
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            <issuekey id="471959">SERVER-32320</issuekey>
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            <issuekey id="472319">SERVER-32342</issuekey>
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