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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-22629] Default --enableMajorityReadConcern to true</title>
                <link>https://jira.mongodb.org/browse/SERVER-22629</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The SnapshotThread poses somewhat of a pathological use case for WiredTiger as it repeatedly seeks to the highest key in the oplog in the presence of concurrent inserts to the end of the tree. This operation is inherently unscalable as the seeking to the end of the RecordStore is not wait-free in the presence of concurrent inserts. &lt;/p&gt;

&lt;p&gt;We should run our full test suite with the SnapshotThread enabled to find any additional longevity/stability issues. &lt;/p&gt;</description>
                <environment></environment>
        <key id="265722">SERVER-22629</key>
            <summary>Default --enableMajorityReadConcern to true</summary>
                <type id="3" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14718&amp;avatarType=issuetype">Task</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="backlog-server-execution">Backlog - Storage Execution Team</assignee>
                                    <reporter username="adam.midvidy">Adam Midvidy</reporter>
                        <labels>
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                <created>Tue, 16 Feb 2016 16:19:13 +0000</created>
                <updated>Tue, 6 Dec 2022 04:33:24 +0000</updated>
                            <resolved>Mon, 12 Feb 2018 14:55:08 +0000</resolved>
                                                                    <component>Replication</component>
                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>12</watches>
                                                                                                                <comments>
                            <comment id="1802728" author="milkie" created="Mon, 12 Feb 2018 14:55:08 +0000"  >&lt;p&gt;This was effectively done for the 3.6 release (but the way that majority read concern was implemented was changed to use timestamps instead of named snapshots).  The performance characteristics were different from what Adam described for the original implementation.&lt;/p&gt;</comment>
                            <comment id="1414951" author="ericsedor" created="Fri, 21 Oct 2016 23:58:29 +0000"  >&lt;p&gt;Is it possible to get elaboration on the performance impact that the description of this ticket implies?&lt;/p&gt;</comment>
                            <comment id="1180691" author="martin.bligh" created="Mon, 22 Feb 2016 16:37:08 +0000"  >&lt;p&gt;I&apos;m saying I don&apos;t think we should default it to on for everybody, and that we shouldn&apos;t test it with a different setting than we run it with. &lt;/p&gt;</comment>
                            <comment id="1180615" author="milkie" created="Mon, 22 Feb 2016 15:53:06 +0000"  >&lt;p&gt;I don&apos;t see why we need to set up a separate test pass; we didn&apos;t do this the first time we defaulted it to on.&lt;/p&gt;</comment>
                            <comment id="1180611" author="martin.bligh" created="Mon, 22 Feb 2016 15:49:52 +0000"  >&lt;p&gt;I think we want this set to how users are going to do it by default (ie currently off), so if we need this, it&apos;d be a separate test pass.&lt;/p&gt;</comment>
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