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    <language>en-us</language>    <build-info>
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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-66564] Remove secondary index from config.transactions table</title>
                <link>https://jira.mongodb.org/browse/SERVER-66564</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The config.transactions table is frequently written and was not designed with the expectation of having secondary indexes. Recent work in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-58757&quot; title=&quot;[Retryability] Create partial index for config.transactions on parentLsid&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-58757&quot;&gt;&lt;del&gt;SERVER-58757&lt;/del&gt;&lt;/a&gt; added such a secondary index. That index should be removed and the code that leverages it restructured so that it can be safely done with a collection scan or to eliminate the need for collection access entirely.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2049964">SERVER-66564</key>
            <summary>Remove secondary index from config.transactions table</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="adi.zaimi@mongodb.com">Adi Zaimi</assignee>
                                    <reporter username="schwerin@mongodb.com">Andy Schwerin</reporter>
                        <labels>
                            <label>sharding-nyc-subteam3</label>
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                <created>Wed, 18 May 2022 20:08:08 +0000</created>
                <updated>Mon, 5 Feb 2024 17:33:04 +0000</updated>
                                                                                                <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="4567668" author="schwerin" created="Mon, 23 May 2022 20:57:27 +0000"  >&lt;p&gt;This isn&apos;t just a performance optimization. Secondary indexes aren&apos;t supposed to be allowed on that collection at all. This is a design violation that happens not to be causing immediate harm. If you still want to put it on the backlog, that&apos;s fine, but my complain isn&apos;t about its performance impact.&lt;/p&gt;</comment>
                            <comment id="4567656" author="ratika.gandhi" created="Mon, 23 May 2022 20:53:08 +0000"  >&lt;p&gt;Acknowledged that this is a possible optimization but we would like to wait to hear about changes in performance before assigning resources to this.&#160;&lt;/p&gt;</comment>
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