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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-39968] improve filtering logic in IndexBuildsCoordinator during secondary oplog application</title>
                <link>https://jira.mongodb.org/browse/SERVER-39968</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;This is a follow-up work to &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39085&quot; title=&quot;move secondary oplog application logic for index creation into IndexBuildsCoordinator&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39085&quot;&gt;&lt;del&gt;SERVER-39085&lt;/del&gt;&lt;/a&gt; that seeks to clarify the logic for selectively filtering and adding collation defaults to the provided index specs as well as determining which registration errors are ignorable.&lt;/p&gt;


&lt;p&gt;Currently &lt;tt&gt;IndexBuildsCoordinator::_registerAndSetUpIndexBuild()&lt;/tt&gt; bypasses both filtering and adding collation defaults on secondary. It may be feasible to bypass just the &lt;br/&gt;
&lt;tt&gt;addCollationDefaultsToIndexSpecsForCreate()&lt;/tt&gt; call alone.&lt;/p&gt;

&lt;p&gt;There is also a potential improvement for &lt;tt&gt;_registerAndSetUpIndexBuild()&lt;/tt&gt; to return early rather than wait for &lt;tt&gt;IndexBuildsManager::setUpIndexBuild()&lt;/tt&gt; to fail and check its result for ignorable errors.&lt;/p&gt;

&lt;p&gt;This may allow up to skip some of the registration and setup and makes it clearer that secondary oplog application will ignore index inconsistency across replica set members.&lt;/p&gt;</description>
                <environment></environment>
        <key id="710187">SERVER-39968</key>
            <summary>improve filtering logic in IndexBuildsCoordinator during secondary oplog application</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="benety.goh@mongodb.com">Benety Goh</reporter>
                        <labels>
                            <label>techdebt</label>
                    </labels>
                <created>Tue, 5 Mar 2019 19:45:49 +0000</created>
                <updated>Tue, 6 Dec 2022 03:04:15 +0000</updated>
                                                                            <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>1</watches>
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