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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-37175] POC: Constant transaction number per participant</title>
                <link>https://jira.mongodb.org/browse/SERVER-37175</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;There is a one-to-one mapping between the txnNumber and a transaction participant / retryable write (no transaction). We should make a participant only know of its constant transaction number. Bumping txnNumber will try to abort the current participant, which throws an exception if it can&apos;t, and start a new one. As a result, participant only needs to check its state (aborted or not) and should never know of the change of the transaction number.&lt;/p&gt;</description>
                <environment></environment>
        <key id="606187">SERVER-37175</key>
            <summary>POC: Constant transaction number per participant</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="matthew.russotto@mongodb.com">Matthew Russotto</assignee>
                                    <reporter username="siyuan.zhou@mongodb.com">Siyuan Zhou</reporter>
                        <labels>
                            <label>prepare_optional</label>
                    </labels>
                <created>Mon, 17 Sep 2018 20:51:34 +0000</created>
                <updated>Thu, 25 Jul 2019 16:57:44 +0000</updated>
                            <resolved>Thu, 25 Jul 2019 16:57:44 +0000</resolved>
                                                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="2344196" author="matthew.russotto" created="Thu, 25 Jul 2019 16:57:44 +0000"  >&lt;p&gt;We did the POC.  This looks like a viable way to proceed, but both because it won&apos;t help us in the short run and because we may be doing refactors of the TransactionParticipant for other projects (which it would make sense to do this as part of, or at least to consider those designs in the design for a final version of this), we&apos;re not doing this refactor right now.&lt;/p&gt;</comment>
                            <comment id="2251044" author="siyuan.zhou@10gen.com" created="Fri, 17 May 2019 19:41:15 +0000"  >&lt;p&gt;One problem we hope this can solve is that we have different ways to clean the state of transaction participant.&lt;/p&gt;</comment>
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