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        <build-date>13-04-2023</build-date>
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            <title>[SERVER-39751] Investigate the case when transaction size exceeds all available memory</title>
                <link>https://jira.mongodb.org/browse/SERVER-39751</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description></description>
                <environment></environment>
        <key id="702473">SERVER-39751</key>
            <summary>Investigate the case when transaction size exceeds all available memory</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="2">Won&apos;t Fix</resolution>
                                        <assignee username="backlog-server-repl">Backlog - Replication Team</assignee>
                                    <reporter username="siyuan.zhou@mongodb.com">Siyuan Zhou</reporter>
                        <labels>
                            <label>bigtxns_testing</label>
                    </labels>
                <created>Thu, 21 Feb 2019 22:19:23 +0000</created>
                <updated>Tue, 6 Dec 2022 03:05:09 +0000</updated>
                            <resolved>Mon, 6 May 2019 23:59:10 +0000</resolved>
                                                                    <component>Replication</component>
                                        <votes>0</votes>
                                    <watches>6</watches>
                                                                                                                <comments>
                            <comment id="2236388" author="siyuan.zhou@10gen.com" created="Mon, 6 May 2019 23:58:53 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kelsey.schubert&quot; class=&quot;user-hover&quot; rel=&quot;kelsey.schubert&quot;&gt;kelsey.schubert&lt;/a&gt;, I&apos;m closing this as &quot;Won&apos;t fix&quot; since the behavior of larger transactions than the available memory is not different than other out-of-memory cases. We won&apos;t have a default limit of transaction size but provides a way to tune it in &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39811&quot; title=&quot;Add a threshold of the total size of buffered oplog entries in a transaction and make it tunable, defaulting to unlimited&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39811&quot;&gt;&lt;del&gt;SERVER-39811&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="2207136" author="siyuan.zhou@10gen.com" created="Tue, 9 Apr 2019 19:30:40 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kelsey.schubert&quot; class=&quot;user-hover&quot; rel=&quot;kelsey.schubert&quot;&gt;kelsey.schubert&lt;/a&gt;, after discussing with &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=milkie&quot; class=&quot;user-hover&quot; rel=&quot;milkie&quot;&gt;milkie&lt;/a&gt;, we believe this should be no difference than other out-of-memory issue. Do we have a general guideline for that case? As a workaround, &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-39811&quot; title=&quot;Add a threshold of the total size of buffered oplog entries in a transaction and make it tunable, defaulting to unlimited&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-39811&quot;&gt;&lt;del&gt;SERVER-39811&lt;/del&gt;&lt;/a&gt; is to add a limit of transaction size. Detecting OOM and continuing gracefully might be hard.&lt;/p&gt;</comment>
                            <comment id="2159164" author="thomas.schubert" created="Thu, 21 Feb 2019 22:27:30 +0000"  >&lt;p&gt;Ideally, the failure mode should include enough diagnostics for a user to determine what went wrong.&lt;/p&gt;</comment>
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