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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <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-64461] Replace WT_CACHE_FULL error with WT_ROLLBACK for durable engine</title>
                <link>https://jira.mongodb.org/browse/SERVER-64461</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;There is only one place WiredTiger returns a &lt;tt&gt;WT_CACHE_FULL&lt;/tt&gt; error for the durable storage engine. The error is returned when a session is configured to not wait for more than a certain duration, &lt;tt&gt;cache_max_wait_ms&lt;/tt&gt;, if the application thread is pulled into eviction. Instead, the operation fails, and the application is forced to rollback. The error WiredTiger returns is &lt;tt&gt;WT_CACHE_FULL&lt;/tt&gt;.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/browse/WT-8767&quot; title=&quot;Return rollback instead of cache full after cache_max_wait timer expires&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-8767&quot;&gt;&lt;del&gt;WT-8767&lt;/del&gt;&lt;/a&gt; is changing that return to a &lt;tt&gt;WT_ROLLBACK&lt;/tt&gt; error, with a rollback reason set that can be queried by &lt;tt&gt;WT_SESSION.get_rollback_reason()&lt;/tt&gt;. This will make the behaviour consistent with other places in WiredTiger, where the application is asked to roll back for other reasons.&lt;/p&gt;

&lt;p&gt;A server change will be needed wherever a &lt;tt&gt;WT_CACHE_FULL&lt;/tt&gt; error is processed. Also, a new rollback reason will be added by &lt;a href=&quot;https://jira.mongodb.org/browse/WT-8767&quot; title=&quot;Return rollback instead of cache full after cache_max_wait timer expires&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-8767&quot;&gt;&lt;del&gt;WT-8767&lt;/del&gt;&lt;/a&gt;, which will need to be captured and processed by the execution layer.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2000300">SERVER-64461</key>
            <summary>Replace WT_CACHE_FULL error with WT_ROLLBACK for durable engine</summary>
                <type id="2" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14711&amp;avatarType=issuetype">New Feature</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="yujin.kang@mongodb.com">Yujin Kang Park</assignee>
                                    <reporter username="sulabh.mahajan@mongodb.com">Sulabh Mahajan</reporter>
                        <labels>
                    </labels>
                <created>Mon, 14 Mar 2022 09:58:13 +0000</created>
                <updated>Sun, 29 Oct 2023 21:41:10 +0000</updated>
                            <resolved>Wed, 18 May 2022 13:00:30 +0000</resolved>
                                                    <fixVersion>6.1.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="4556016" author="xgen-internal-githook" created="Wed, 18 May 2022 11:45:03 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Yu Jin Kang Park&apos;, &apos;email&apos;: &apos;yujin.kang@mongodb.com&apos;, &apos;username&apos;: &apos;ykangpark&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-64461&quot; title=&quot;Replace WT_CACHE_FULL error with WT_ROLLBACK for durable engine&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-64461&quot;&gt;&lt;del&gt;SERVER-64461&lt;/del&gt;&lt;/a&gt;: Replace WT_CACHE_FULL error with WT_ROLLBACK for durable engine&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/6d7e4ea84316181578b9e78981f4adc1b0e9838d&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/6d7e4ea84316181578b9e78981f4adc1b0e9838d&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4411544" author="sulabh.mahajan" created="Mon, 14 Mar 2022 21:57:05 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=louis.williams&quot; class=&quot;user-hover&quot; rel=&quot;louis.williams&quot;&gt;louis.williams&lt;/a&gt;, that sounds right to me. I was about to send you a note asking if that is how we want to proceed. I will create a ticket and tag you there.&lt;/p&gt;</comment>
                            <comment id="4409430" author="louis.williams" created="Mon, 14 Mar 2022 10:59:46 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=sulabh.mahajan&quot; class=&quot;user-hover&quot; rel=&quot;sulabh.mahajan&quot;&gt;sulabh.mahajan&lt;/a&gt;, I think we first need to commit a change in MongoDB so that you can merge &lt;a href=&quot;https://jira.mongodb.org/browse/WT-8767&quot; title=&quot;Return rollback instead of cache full after cache_max_wait timer expires&quot; class=&quot;issue-link&quot; data-issue-key=&quot;WT-8767&quot;&gt;&lt;del&gt;WT-8767&lt;/del&gt;&lt;/a&gt; without breaking any tests or changing behavior. I&apos;m thinking we can change &lt;a href=&quot;https://github.com/mongodb/mongo/blob/b4cb11ee36993ea978eb2e07482ce4800ae6a335/src/mongo/db/storage/wiredtiger/wiredtiger_record_store.cpp#L1953&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;this line&lt;/a&gt; to check for either WT_ROLLBACK to WT_CACHE_FULL, then file a follow-up to remove the check for WT_CACHE_FULL. Does that sound right to you?&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="1976332">WT-8767</issuekey>
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            <issuekey id="2001010">SERVER-64498</issuekey>
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