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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>
    </build-info>


<item>
            <title>[DOCS-16042] Investigate changes in SERVER-76012: Rename kNone option for storageEngineConcurrencyAdjustmentAlgorithm server parameter</title>
                <link>https://jira.mongodb.org/browse/DOCS-16042</link>
                <project id="10380" key="DOCS">Documentation</project>
                    <description>    &lt;div class=&quot;panel&quot; style=&quot;background-color: #c2d2c2;border-width: 1px;&quot;&gt;&lt;div class=&quot;panelHeader&quot; style=&quot;border-bottom-width: 1px;background-color: #239eb0;&quot;&gt;&lt;b&gt;Original Downstream Change Summary&lt;/b&gt;&lt;/div&gt;&lt;/div&gt;
&lt;p&gt;    For execution control, we added a new server parameter called &quot;storageEngineConcurrencyAdjustmentAlgorithm&quot; that takes two options, &quot;throughputProbing&quot; and &quot;fixedConcurrentTransactions&quot;. This might end up being for special use only (customers must go through support team) and will not require public documentation. &lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;DescriptionofLinkedTicket&quot;&gt;&lt;/a&gt;Description of Linked Ticket&lt;/h2&gt;
&lt;p&gt;    kNone translates to an empty string, which is not informative at all to a user. We originally thought we would be removing this server parameter but decided to keep it for future flexibility in the execution control algorithm.&lt;/p&gt;
</description>
                <environment></environment>
        <key id="2315008">DOCS-16042</key>
            <summary>Investigate changes in SERVER-76012: Rename kNone option for storageEngineConcurrencyAdjustmentAlgorithm server parameter</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="9">Done</resolution>
                                        <assignee username="corry.root@mongodb.com">Corry Root</assignee>
                                    <reporter username="backlog-server-pm">Backlog - Core Eng Program Management Team</reporter>
                        <labels>
                    </labels>
                <created>Fri, 14 Apr 2023 13:28:57 +0000</created>
                <updated>Mon, 13 Nov 2023 17:33:34 +0000</updated>
                            <resolved>Tue, 15 Aug 2023 16:23:43 +0000</resolved>
                                                    <fixVersion>7.0.0-rc0</fixVersion>
                    <fixVersion>7.1.0-rc0</fixVersion>
                    <fixVersion>Server_Docs_20231030</fixVersion>
                    <fixVersion>Server_Docs_20231106</fixVersion>
                    <fixVersion>Server_Docs_20231105</fixVersion>
                    <fixVersion>Server_Docs_20231113</fixVersion>
                                    <component>manual</component>
                    <component>Server</component>
                        <due></due>
                            <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="5633531" author="JIRAUSER1257146" created="Mon, 14 Aug 2023 19:47:18 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=gregory.noma%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;gregory.noma@mongodb.com&quot;&gt;gregory.noma@mongodb.com&lt;/a&gt;,&#160;&lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;DESCRIPTION&quot;&gt;&lt;/a&gt;DESCRIPTION&lt;/h2&gt;

&lt;p&gt;I added a release notes for the new execution control algorithm. I added an important note to the parameters that disable the algorithm. I added an important note to the&#160;&lt;tt&gt;serverStatus&lt;/tt&gt;&#160;that indicates the ticket count.&lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;STAGING&quot;&gt;&lt;/a&gt;STAGING&lt;/h2&gt;

&lt;p&gt;&lt;a href=&quot;https://docs-mongodbcom-staging.corp.mongodb.com/docs/docsworker-xlarge/DOCSP-10266/release-notes/7.0/#concurrent-storage-engine-transactions&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Release Notes&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://docs-mongodbcom-staging.corp.mongodb.com/docs/docsworker-xlarge/DOCSP-10266/reference/command/serverStatus/#mongodb-serverstatus-serverstatus.wiredTiger.concurrentTransactions&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;wiredTiger.concurrentTransactions&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://docs-mongodbcom-staging.corp.mongodb.com/docs/docsworker-xlarge/DOCSP-10266/reference/parameters/#mongodb-parameter-param.wiredTigerConcurrentReadTransactions&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;wiredTigerConcurrentReadTransactions&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://docs-mongodbcom-staging.corp.mongodb.com/docs/docsworker-xlarge/DOCSP-10266/reference/parameters/#mongodb-parameter-param.wiredTigerConcurrentWriteTransactions&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;wiredTigerConcurrentWriteTransactions&lt;/a&gt;&lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;JIRA&quot;&gt;&lt;/a&gt;JIRA&lt;/h2&gt;

&lt;p&gt;DOCSP-10266&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/DOCS-16042&quot; title=&quot;Investigate changes in SERVER-76012: Rename kNone option for storageEngineConcurrencyAdjustmentAlgorithm server parameter&quot; class=&quot;issue-link&quot; data-issue-key=&quot;DOCS-16042&quot;&gt;&lt;del&gt;DOCS-16042&lt;/del&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;DOCSP-32209&lt;/p&gt;
&lt;h2&gt;&lt;a name=&quot;BUILDLOG&quot;&gt;&lt;/a&gt;BUILD LOG&lt;/h2&gt;

&lt;p&gt;&lt;a href=&quot;https://workerpool-boxgs.mongodbstitch.com/pages/job.html?collName=queue&amp;amp;jobId=64da7e9467dbe910109e880d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;BUILD&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="5633182" author="JIRAUSER1257146" created="Mon, 14 Aug 2023 18:43:51 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=shameek.ray%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;shameek.ray@mongodb.com&quot;&gt;shameek.ray@mongodb.com&lt;/a&gt; and &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=gregory.noma%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;gregory.noma@mongodb.com&quot;&gt;gregory.noma@mongodb.com&lt;/a&gt; confirmed that we shouldn&apos;t document these new parameters, but note for the existing parameters that they disable the dynamic algorithm.&lt;/p&gt;</comment>
                            <comment id="5598833" author="gregory.noma" created="Fri, 28 Jul 2023 16:10:24 +0000"  >&lt;p&gt;&lt;tt&gt;storageEngineConcurrencyAdjustmentAlgorithm&lt;/tt&gt; is only settable at startup, and users can already disable the feature at startup by setting the &lt;a href=&quot;https://www.mongodb.com/docs/manual/reference/parameters/#mongodb-parameter-param.wiredTigerConcurrentReadTransactions&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;wiredTigerConcurrentReadTransactions&lt;/tt&gt;/&lt;tt&gt;storageEngineConcurrentReadTransactions&lt;/tt&gt;&lt;/a&gt; or &lt;a href=&quot;https://www.mongodb.com/docs/manual/reference/parameters/#mongodb-parameter-param.wiredTigerConcurrentWriteTransactions&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;&lt;tt&gt;wiredTigerConcurrentWriteTransactions&lt;/tt&gt;/&lt;tt&gt;storageEngineConcurrentWriteTransactions&lt;/tt&gt;&lt;/a&gt; parameters, which &lt;em&gt;are&lt;/em&gt; publicly documented. So also documenting &lt;tt&gt;storageEngineConcurrencyAdjustmentAlgorithm&lt;/tt&gt; wouldn&apos;t really change anything in terms of allowing users to turn off the feature. &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=shameek.ray%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;shameek.ray@mongodb.com&quot;&gt;shameek.ray@mongodb.com&lt;/a&gt; any thoughts here?&lt;/p&gt;</comment>
                            <comment id="5595767" author="kanchana.sekhar" created="Thu, 27 Jul 2023 15:28:28 +0000"  >&lt;p&gt;&#160;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=pavithra.vetriselvan%40mongodb.com&quot; class=&quot;user-hover&quot; rel=&quot;pavithra.vetriselvan@mongodb.com&quot;&gt;pavithra.vetriselvan@mongodb.com&lt;/a&gt; mentioned that we probably shouldn&apos;t document these parameters as it&#8217;s a way for users to turn off a default 7.0 feature. These parameters were added as a failsafe that TSE&#8217;s could suggest if a customer needed to turn it off.&lt;/p&gt;</comment>
                    </comments>
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