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    <title>MongoDB Jira</title>
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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-53122] Create findAndNoopUpdate method in Helpers</title>
                <link>https://jira.mongodb.org/browse/SERVER-53122</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Applying oplog entries during resharding is subject to write skew when reading from the output collection. In order to avoid this and force a read-write conflict, add a new method to Helpers that will run a find followed by an update using the doc we&apos;ve just read (so the update is a no-op) in order to force a conflict and avoid write skew. This is meant to mimic &lt;a href=&quot;http://source.wiredtiger.com/3.2.1/struct_w_t___c_u_r_s_o_r.html#a3acc1fd180c4a4220b459734305c90a6&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;WTs reserve method&lt;/a&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1554827">SERVER-53122</key>
            <summary>Create findAndNoopUpdate method in Helpers</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="13201">Fixed</resolution>
                                        <assignee username="janna.golden@mongodb.com">Janna Golden</assignee>
                                    <reporter username="janna.golden@mongodb.com">Janna Golden</reporter>
                        <labels>
                            <label>PM-234-M3</label>
                            <label>PM-234-T-oplog-apply</label>
                    </labels>
                <created>Mon, 30 Nov 2020 16:54:30 +0000</created>
                <updated>Sun, 29 Oct 2023 21:59:56 +0000</updated>
                            <resolved>Wed, 2 Dec 2020 22:17:55 +0000</resolved>
                                                    <fixVersion>4.9.0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="3516742" author="xgen-internal-githook" created="Fri, 4 Dec 2020 18:21:40 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;jannaerin&apos;, &apos;email&apos;: &apos;golden.janna@gmail.com&apos;, &apos;username&apos;: &apos;jannaerin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-53122&quot; title=&quot;Create findAndNoopUpdate method in Helpers&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-53122&quot;&gt;&lt;del&gt;SERVER-53122&lt;/del&gt;&lt;/a&gt; Don&apos;t run findAndNoopUpdate dbtest on ephemeral storage engine&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/f16974e78794ad1ce610df6a1566b4ba65ab284b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/f16974e78794ad1ce610df6a1566b4ba65ab284b&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="3513405" author="xgen-internal-githook" created="Wed, 2 Dec 2020 21:45:47 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;jannaerin&apos;, &apos;email&apos;: &apos;golden.janna@gmail.com&apos;, &apos;username&apos;: &apos;jannaerin&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-53122&quot; title=&quot;Create findAndNoopUpdate method in Helpers&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-53122&quot;&gt;&lt;del&gt;SERVER-53122&lt;/del&gt;&lt;/a&gt; Create findAndNoopUpdate method in Helpers&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/e3852aff6b82157e2e451c1fc90443dec381df7b&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/e3852aff6b82157e2e451c1fc90443dec381df7b&lt;/a&gt;&lt;/p&gt;</comment>
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