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        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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            <title>[SERVER-21608] debug builds should track oplog ts discontinuities</title>
                <link>https://jira.mongodb.org/browse/SERVER-21608</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;When readers see discontinuities in the oplog, they should check that they are valid (due to a change in the second field, rollbacks, etc.) and treat it as a fatal error when it isn&apos;t. This will help us catch bugs in oplog visibility rules.&lt;/p&gt;</description>
                <environment></environment>
        <key id="240564">SERVER-21608</key>
            <summary>debug builds should track oplog ts discontinuities</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="10038" iconUrl="https://jira.mongodb.org/images/icons/subtask.gif" description="">Backlog</status>
                    <statusCategory id="2" key="new" colorName="default"/>
                                    <resolution id="-1">Unresolved</resolution>
                                        <assignee username="backlog-server-repl">Backlog - Replication Team</assignee>
                                    <reporter username="mathias@mongodb.com">Mathias Stearn</reporter>
                        <labels>
                    </labels>
                <created>Sat, 21 Nov 2015 02:42:05 +0000</created>
                <updated>Tue, 6 Dec 2022 04:39:11 +0000</updated>
                                                                            <component>Replication</component>
                    <component>Storage</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="1095111" author="redbeard0531" created="Sat, 21 Nov 2015 20:46:46 +0000"  >&lt;p&gt;The storage engine knows when each optime is allocated, and when they are rolled back. It can keep track of cases where there are gaps.&lt;/p&gt;</comment>
                            <comment id="1095096" author="schwerin" created="Sat, 21 Nov 2015 19:09:08 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=redbeard0531&quot; class=&quot;user-hover&quot; rel=&quot;redbeard0531&quot;&gt;redbeard0531&lt;/a&gt;, how would you propose to track holes in the oplog generated by operations that fail to commit (storage engine rollback)?&lt;/p&gt;</comment>
                            <comment id="1094936" author="milkie" created="Sat, 21 Nov 2015 03:31:15 +0000"  >&lt;p&gt;How would an external reader know when there was a transaction rollback?&lt;/p&gt;</comment>
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