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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-61454] Change retry policy when txns are rolled back for eviction</title>
                <link>https://jira.mongodb.org/browse/SERVER-61454</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When WiredTiger is under a certain extreme level of dirty cache pressure, it will roll back a candidate longest-running transaction and output a message &lt;tt&gt;oldest pinned transaction ID rolled back for eviction&lt;/tt&gt;&lt;/p&gt;

&lt;p&gt;Today, when this occurs, it is translated into a WriteConflictException, which retries the operation almost immediately.  This can result in a situation, particularly where CPU is scarce, where the system live-locks retrying operations forever and never making progress, if the operations themselves are CPU-intensive.  &lt;br/&gt;
Ideally, for this specific type of rollback, the retry loop would pause a (relatively long, say multiple seconds) amount of time before retrying.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1924291">SERVER-61454</key>
            <summary>Change retry policy when txns are rolled back for eviction</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>
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                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="milkie@mongodb.com">Eric Milkie</reporter>
                        <labels>
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                <created>Fri, 12 Nov 2021 19:40:46 +0000</created>
                <updated>Tue, 6 Dec 2022 00:47:38 +0000</updated>
                            <resolved>Mon, 17 Jan 2022 10:13:39 +0000</resolved>
                                                                    <component>Stability</component>
                                        <votes>0</votes>
                                    <watches>14</watches>
                                                                                                                <comments>
                            <comment id="4222224" author="louis.williams" created="Tue, 30 Nov 2021 20:38:41 +0000"  >&lt;p&gt;We can&apos;t do this without support from WiredTiger. This is dependent on &lt;a href=&quot;https://jira.mongodb.org/browse/WT-8290&quot; title=&quot;Adding a new API to the session to return the rollback reason&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-8290&quot;&gt;&lt;del&gt;WT-8290&lt;/del&gt;&lt;/a&gt;, as is &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-60839&quot; title=&quot;Introduce a TemporarilyUnavailable error type&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-60839&quot;&gt;&lt;del&gt;SERVER-60839&lt;/del&gt;&lt;/a&gt;, which would allow that error to be surfaced by MongoDB.&lt;/p&gt;</comment>
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