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    <title>MongoDB Jira</title>
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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-54985] Move BucketCatalog committer assignment to commit time</title>
                <link>https://jira.mongodb.org/browse/SERVER-54985</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently the decision of which writer commits a bucket is made when an individual writer makes the first uncommitted insert to a bucket. In cases with large batches and many writers, this can be highly problematic. A single writer W1 may have committer status on multiple buckets, e.g. B1 and B2. Many writers may be waiting on B2 while W1 is busy committing B1. One of these writers, say W2, could be committing B2, increasing throughput.&lt;/p&gt;

&lt;p&gt;Shifting the committer assignment to commit time rather than insert time should allow us to minimize wait time.&lt;/p&gt;

&lt;p&gt;At the same time, we will also simplify the state management a bit. Instead of keeping a promise per measurement insert, we will maintain likely a single state variable (promise or condition variable, etc.) at a time, or maybe a few, but definitely fewer than we currently maintain.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1640837">SERVER-54985</key>
            <summary>Move BucketCatalog committer assignment to commit time</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="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="dan.larkin-york@mongodb.com">Dan Larkin-York</assignee>
                                    <reporter username="dan.larkin-york@mongodb.com">Dan Larkin-York</reporter>
                        <labels>
                    </labels>
                <created>Fri, 5 Mar 2021 15:27:46 +0000</created>
                <updated>Wed, 17 Mar 2021 12:46:45 +0000</updated>
                            <resolved>Wed, 17 Mar 2021 12:46:45 +0000</resolved>
                                                                                        <votes>0</votes>
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                            <comment id="3668642" author="xgen-internal-githook" created="Wed, 17 Mar 2021 12:41:22 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Dan Larkin-York&apos;, &apos;email&apos;: &apos;dan.larkin-york@mongodb.com&apos;, &apos;username&apos;: &apos;dhly-etc&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-54985&quot; title=&quot;Move BucketCatalog committer assignment to commit time&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-54985&quot;&gt;&lt;del&gt;SERVER-54985&lt;/del&gt;&lt;/a&gt; Move BucketCatalog committer assignment to commit time&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/63e2e365f322810bd0679c9fae4ce8b0dda26ea1&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/63e2e365f322810bd0679c9fae4ce8b0dda26ea1&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="1620799">SERVER-54473</issuekey>
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            <issuekey id="1649436">SERVER-55216</issuekey>
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