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    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
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<item>
            <title>[SERVER-71442] Avoid testing pre-images in replication inital sync fuzzer tests</title>
                <link>https://jira.mongodb.org/browse/SERVER-71442</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;While investigating BF-26956 we noticed that pre-images replication is tested in initial sync fuzzer tests. This is not desirable as according to the design of the pre-images, they are not replicated during the initial sync process, causing fuzzer test failure.&lt;/p&gt;

&lt;p&gt;Pre-images are not added to the fuzzer grammar, however, fuzzer may still generate tests that involve creation of the collections with pre-images being enabled.&lt;/p&gt;

&lt;p&gt;We would want to avoid generating and investigating similar BFs in the future.&#160;In order to do so we could do:&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;set expiration duration to minimum amount (1 second) and ensure that pre-images are deleted after running the test, prior the initial sync process&lt;/li&gt;
	&lt;li&gt;adjust the fuzzer code to not generate code related to changeStream pit pre-images (e.g. no create/collMod support for changeStreamPreAndPostImages: enabled)&lt;/li&gt;
	&lt;li&gt;add pre-images collection UUID into the ignoreUUIDs of db-hash in run_initial_sync_node_validation.js&lt;/li&gt;
	&lt;li&gt;other options (or do nothing as this issue is pretty rare)&lt;/li&gt;
&lt;/ul&gt;
</description>
                <environment></environment>
        <key id="2188575">SERVER-71442</key>
            <summary>Avoid testing pre-images in replication inital sync fuzzer tests</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="3">Duplicate</resolution>
                                        <assignee username="denis.grebennicov@mongodb.com">Denis Grebennicov</assignee>
                                    <reporter username="denis.grebennicov@mongodb.com">Denis Grebennicov</reporter>
                        <labels>
                            <label>greenerbuild</label>
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                <created>Thu, 17 Nov 2022 11:26:24 +0000</created>
                <updated>Mon, 28 Nov 2022 08:48:45 +0000</updated>
                            <resolved>Mon, 28 Nov 2022 08:48:44 +0000</resolved>
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