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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-60176] Delta-updates should only validate the diff for storage</title>
                <link>https://jira.mongodb.org/browse/SERVER-60176</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;Currently, the delta update applies the diff to create the full document that needs to be stored this is then validated for storage in &lt;tt&gt;ObjectReplaceExecutor::applyReplacementUpdate&lt;/tt&gt;. This means that data that is already stored is validated again.&lt;/p&gt;

&lt;p&gt;We should be able to validate only the new data inside the &lt;tt&gt;docDiff&lt;/tt&gt;.&lt;/p&gt;</description>
                <environment></environment>
        <key id="1881956">SERVER-60176</key>
            <summary>Delta-updates should only validate the diff for storage</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</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="nikita.lapkov@mongodb.com">Nikita Lapkov</assignee>
                                    <reporter username="henrik.edin@mongodb.com">Henrik Edin</reporter>
                        <labels>
                    </labels>
                <created>Thu, 23 Sep 2021 15:04:09 +0000</created>
                <updated>Mon, 11 Dec 2023 21:45:17 +0000</updated>
                            <resolved>Wed, 8 Dec 2021 11:27:20 +0000</resolved>
                                                    <fixVersion>5.3.0</fixVersion>
                    <fixVersion>5.0.22</fixVersion>
                                                        <votes>0</votes>
                                    <watches>14</watches>
                                                                                                                <comments>
                            <comment id="5745788" author="xgen-internal-githook" created="Mon, 2 Oct 2023 16:18:00 +0000"  >&lt;p&gt;Author: &lt;/p&gt;
{&apos;name&apos;: &apos;Yuhong Zhang&apos;, &apos;email&apos;: &apos;danielzhangyh@gmail.com&apos;, &apos;username&apos;: &apos;YuhongZhang98&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-60156&quot; title=&quot;Add a way to bypass storageValid() for time-series updates&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-60156&quot;&gt;&lt;del&gt;SERVER-60156&lt;/del&gt;&lt;/a&gt; &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-60176&quot; title=&quot;Delta-updates should only validate the diff for storage&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-60176&quot;&gt;&lt;del&gt;SERVER-60176&lt;/del&gt;&lt;/a&gt; Skip storageValid() for time-series updates and when applying the oplog on secondary&lt;/p&gt;

&lt;p&gt;(cherry picked from commit 7591af2652cd1d00f9255033dc5ec3c3d82deca3)&lt;br/&gt;
(cherry picked from commit 21c2ad8764c396fc6afae226bbcea8c780e6bdee)&lt;/p&gt;

&lt;p&gt;Co-authored-by: Nikita Lapkov &amp;lt;nikita.lapkov@mongodb.com&amp;gt;&lt;br/&gt;
Branch: v5.0&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/9be121627729aa754711f3ff1757ff789da300b5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/9be121627729aa754711f3ff1757ff789da300b5&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4251170" author="kyle.suarez" created="Wed, 15 Dec 2021 17:41:21 +0000"  >&lt;p&gt;After further correction from &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=acm&quot; class=&quot;user-hover&quot; rel=&quot;acm&quot;&gt;acm&lt;/a&gt;, this ticket is not contained on the v5.2 branch, so updating the fix version to &quot;5.3.0&quot;.&lt;/p&gt;</comment>
                            <comment id="4251149" author="kyle.suarez" created="Wed, 15 Dec 2021 17:36:09 +0000"  >&lt;p&gt;Updating the fix version here from &quot;5.3 Required&quot; to &quot;5.2.0-rc0&quot;:&lt;/p&gt;
&lt;p/&gt;
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&lt;p/&gt;</comment>
                            <comment id="4236354" author="xgen-internal-githook" created="Wed, 8 Dec 2021 11:03:07 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Nikita Lapkov&apos;, &apos;email&apos;: &apos;nikita.lapkov@mongodb.com&apos;, &apos;username&apos;: &apos;laplab&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-60176&quot; title=&quot;Delta-updates should only validate the diff for storage&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-60176&quot;&gt;&lt;del&gt;SERVER-60176&lt;/del&gt;&lt;/a&gt; Disable document validation for storage when applying the oplog on secondary&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/21c2ad8764c396fc6afae226bbcea8c780e6bdee&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/21c2ad8764c396fc6afae226bbcea8c780e6bdee&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4091503" author="geert.bosch" created="Wed, 29 Sep 2021 12:59:01 +0000"  >&lt;p&gt;To be clear, in some cases more than 99% of total execution time for updates is spend in this validation code. This should affect any updates to documents with large arrays or similar complex structure.&lt;/p&gt;</comment>
                            <comment id="4089577" author="henrik.edin" created="Tue, 28 Sep 2021 15:52:20 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=kyle.suarez&quot; class=&quot;user-hover&quot; rel=&quot;kyle.suarez&quot;&gt;kyle.suarez&lt;/a&gt; I linked &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-60156&quot; title=&quot;Add a way to bypass storageValid() for time-series updates&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-60156&quot;&gt;&lt;del&gt;SERVER-60156&lt;/del&gt;&lt;/a&gt; as a related ticket. This came up during profiling of timeseries inserts where we append fields to an existing object. &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-60156&quot; title=&quot;Add a way to bypass storageValid() for time-series updates&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-60156&quot;&gt;&lt;del&gt;SERVER-60156&lt;/del&gt;&lt;/a&gt; will take care of the immediate need for timeseries so this is more of a general performance improvement idea. But it can potentially be impacted on secondaries using the &lt;tt&gt;DeltaExecutor&lt;/tt&gt; if the existing documents are large. We saw a quite major performance impact for timeseries.&lt;/p&gt;</comment>
                            <comment id="4089428" author="kyle.suarez" created="Tue, 28 Sep 2021 15:27:20 +0000"  >&lt;p&gt;&lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=henrik.edin&quot; class=&quot;user-hover&quot; rel=&quot;henrik.edin&quot;&gt;henrik.edin&lt;/a&gt;, what was the motivation for filing this ticket &amp;#8211; was it a general performance improvement idea, or is there a different project that might depend on this? The Query Execution team is inclined to consider it, but on the backlog, unless there is a reason we should investigate this more urgently.&lt;/p&gt;</comment>
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            <issuekey id="1928374">SERVER-61587</issuekey>
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                            <attachment id="343633" name="Report.pdf" size="67310" author="nikita.lapkov@mongodb.com" created="Tue, 2 Nov 2021 16:58:33 +0000"/>
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