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            <title>[SERVER-20195] Performance regression in WiredTiger in 3.1.8</title>
                <link>https://jira.mongodb.org/browse/SERVER-20195</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;&lt;a href=&quot;https://evergreen.mongodb.com/task/performance_linux_wt_repl_singleThreaded_a7338c436160e259d0b20058f0a9ae4b442ca102_15_08_28_06_06_32&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://evergreen.mongodb.com/task/performance_linux_wt_repl_singleThreaded_a7338c436160e259d0b20058f0a9ae4b442ca102_15_08_28_06_06_32&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;This is the same issue as &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-19445&quot; title=&quot;Performance regression in Mongo-Perf mms tests with wiredTiger&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-19445&quot;&gt;&lt;del&gt;SERVER-19445&lt;/del&gt;&lt;/a&gt; &amp;#8211; if the oldest transaction ID tracked by WiredTiger falls behind, workloads that do many updates to medium-large  documents to hit forced eviction.  The regression was introduced by &lt;a href=&quot;https://jira.mongodb.org/browse/WT-2066&quot; title=&quot;Update the oldest transaction ID from eviction&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-2066&quot;&gt;&lt;del&gt;WT-2066&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</description>
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        <key id="227636">SERVER-20195</key>
            <summary>Performance regression in WiredTiger in 3.1.8</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="michael.cahill@mongodb.com">Michael Cahill</assignee>
                                    <reporter username="michael.cahill@mongodb.com">Michael Cahill</reporter>
                        <labels>
                    </labels>
                <created>Sat, 29 Aug 2015 01:29:42 +0000</created>
                <updated>Sat, 29 Aug 2015 01:55:36 +0000</updated>
                            <resolved>Sat, 29 Aug 2015 01:55:15 +0000</resolved>
                                                                    <component>WiredTiger</component>
                                        <votes>0</votes>
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