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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-50777] Don&apos;t widen target snapshot window for in-memory configurations (v4.4)</title>
                <link>https://jira.mongodb.org/browse/SERVER-50777</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;As I was diagnosing a test failure, I noticed this sequence of events:&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;The body of &lt;tt&gt;execCommandDatabase&lt;/tt&gt; throws a &lt;tt&gt;SnapshotTooOld&lt;/tt&gt; error due to trying to read earlier than the oldest.&lt;/li&gt;
	&lt;li&gt;When this happens, we try to increase the target snapshot window size to make it less likely for this to happen for subsequent operations.&lt;/li&gt;
	&lt;li&gt;We expect this window size to be 0 for in-memory configurations so we trip up an invariant later down the track.&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;The way I understand it, this scenario makes sense and is ok. The only problem is the way we&apos;re handling the exception by widening the snapshot window. We shouldn&apos;t do this if we&apos;re running an in-memory configuration and haven&apos;t enabled test commands.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1463947">SERVER-50777</key>
            <summary>Don&apos;t widen target snapshot window for in-memory configurations (v4.4)</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>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="2">Won&apos;t Fix</resolution>
                                        <assignee username="alex.cameron@mongodb.com">Alex Cameron</assignee>
                                    <reporter username="alex.cameron@mongodb.com">Alex Cameron</reporter>
                        <labels>
                    </labels>
                <created>Mon, 7 Sep 2020 04:55:42 +0000</created>
                <updated>Mon, 14 Sep 2020 00:54:29 +0000</updated>
                            <resolved>Mon, 14 Sep 2020 00:54:29 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="3391410" author="alex.cameron" created="Mon, 14 Sep 2020 00:54:11 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=dianna.hohensee&quot; class=&quot;user-hover&quot; rel=&quot;dianna.hohensee&quot;&gt;dianna.hohensee&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=lingzhi.deng&quot; class=&quot;user-hover&quot; rel=&quot;lingzhi.deng&quot;&gt;lingzhi.deng&lt;/a&gt;&lt;br/&gt;
Let me know if you&apos;d rather have this change merged in. But for now, I&apos;m going to just close this since the proper fix is underway.&lt;/p&gt;</comment>
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