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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-65435] Config fuzzer can set eviction trigger lower than amount of dirty data a single operation may generate</title>
                <link>https://jira.mongodb.org/browse/SERVER-65435</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The &lt;a href=&quot;https://github.com/mongodb/mongo/blob/327a61632913d0f943ab0062611714b6552dbc0b/buildscripts/resmokelib/mongod_fuzzer_configs.py#L7-L34&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;config fuzzer&lt;/a&gt; can set &lt;tt&gt;eviction_dirty_trigger&lt;/tt&gt; as low as ~20MB or possibly even lower. If it then runs &lt;a href=&quot;https://github.com/mongodb/mongo/blob/327a61632913d0f943ab0062611714b6552dbc0b/jstests/core/sortf.js#L18-L21&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;a test which inserts large documents&lt;/a&gt;, it is possible that one of these operations may generate more dirty data than we allow for. Currently, this manifests as the operation hanging indefinitely. After &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-61909&quot; title=&quot;Hang inserting or deleting document with large number of index entries&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-61909&quot;&gt;&lt;del&gt;SERVER-61909&lt;/del&gt;&lt;/a&gt;, this may instead manifest as the operation failing and an error being returned to the user. However, even the latter may make tests unhappy if they expect these operations to succeed. We may want to consider re-evaluating the minimum bounds for the eviction settings that the config fuzzer can generate.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2022010">SERVER-65435</key>
            <summary>Config fuzzer can set eviction trigger lower than amount of dirty data a single operation may generate</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="13201">Fixed</resolution>
                                        <assignee username="josef.ahmad@mongodb.com">Josef Ahmad</assignee>
                                    <reporter username="gregory.noma@mongodb.com">Gregory Noma</reporter>
                        <labels>
                    </labels>
                <created>Mon, 11 Apr 2022 14:12:44 +0000</created>
                <updated>Sun, 29 Oct 2023 21:39:42 +0000</updated>
                            <resolved>Wed, 22 Jun 2022 08:38:48 +0000</resolved>
                                                    <fixVersion>6.0.2</fixVersion>
                    <fixVersion>6.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>4</watches>
                                                                                                                <comments>
                            <comment id="4763094" author="josef.ahmad" created="Fri, 19 Aug 2022 13:22:31 +0000"  >&lt;p&gt;The 6.0 backport has been merged but I&apos;m not seeing the automatic githook message here, so I&apos;m pasting the commit manually:&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;

&lt;p&gt;commit 42a7061258533f30248082891bb9b652c6b49e0c (origin/v6.0)&lt;br/&gt;
Author: Josef Ahmad &amp;lt;josef.ahmad@mongodb.com&amp;gt;&lt;br/&gt;
Date: &#160; Wed Jun 22 07:44:21 2022 +0000&lt;/p&gt;

&lt;p&gt;&#160; &#160;&#160;&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65435&quot; title=&quot;Config fuzzer can set eviction trigger lower than amount of dirty data a single operation may generate&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65435&quot;&gt;&lt;del&gt;SERVER-65435&lt;/del&gt;&lt;/a&gt;&#160;Increase fuzzer&apos;s min eviction_dirty_trigger to 50MB&lt;/p&gt;

&lt;p&gt;&#160; &#160; (cherry picked from commit 2dde408370d5cb709c9be976123bbc266480b38a)&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="4636727" author="xgen-internal-githook" created="Thu, 23 Jun 2022 21:15:57 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Josef Ahmad&apos;, &apos;email&apos;: &apos;josef.ahmad@mongodb.com&apos;, &apos;username&apos;: &apos;josefahmad&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65435&quot; title=&quot;Config fuzzer can set eviction trigger lower than amount of dirty data a single operation may generate&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65435&quot;&gt;&lt;del&gt;SERVER-65435&lt;/del&gt;&lt;/a&gt; Increase fuzzer&apos;s min eviction_dirty_trigger to 50MB&lt;br/&gt;
Branch: davish/&lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-63099&quot; title=&quot;Constant folding should not assume arithmetic is associative or commutative in the general case&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-63099&quot;&gt;&lt;del&gt;SERVER-63099&lt;/del&gt;&lt;/a&gt;&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2dde408370d5cb709c9be976123bbc266480b38a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2dde408370d5cb709c9be976123bbc266480b38a&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4631467" author="xgen-internal-githook" created="Wed, 22 Jun 2022 08:31:00 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Josef Ahmad&apos;, &apos;email&apos;: &apos;josef.ahmad@mongodb.com&apos;, &apos;username&apos;: &apos;josefahmad&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-65435&quot; title=&quot;Config fuzzer can set eviction trigger lower than amount of dirty data a single operation may generate&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-65435&quot;&gt;&lt;del&gt;SERVER-65435&lt;/del&gt;&lt;/a&gt; Increase fuzzer&apos;s min eviction_dirty_trigger to 50MB&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/2dde408370d5cb709c9be976123bbc266480b38a&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/2dde408370d5cb709c9be976123bbc266480b38a&lt;/a&gt;&lt;/p&gt;</comment>
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