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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-67102] Avoid unnecessary string copies in Resource Consumption metrics</title>
                <link>https://jira.mongodb.org/browse/SERVER-67102</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;It seems that the api to increment metrics requires a &lt;a href=&quot;https://github.com/mongodb/mongo/blob/43e456fb06cd041e9436d7c5ca432da5aa295b05/src/mongo/db/stats/resource_consumption_metrics.h#L347&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;full string value&lt;/a&gt; even though the string is only used for &lt;a href=&quot;#L248].&quot; target=&quot;_blank&quot; rel=&quot;noopener&quot;&gt;debug logging&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;This leads to callers &lt;a href=&quot;https://github.com/mongodb/mongo/blob/43e456fb06cd041e9436d7c5ca432da5aa295b05/src/mongo/db/storage/wiredtiger/wiredtiger_index.cpp#L771&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;needing to construct temporary strings&lt;/a&gt; that will allocate and deallocate from the heap immediately afterwards.&lt;/p&gt;

&lt;p&gt;Ideally this should be replaced by a &lt;a href=&quot;https://github.com/mongodb/mongo/blob/43e456fb06cd041e9436d7c5ca432da5aa295b05/src/mongo/base/string_data.h#L62&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;StringData&lt;/a&gt; object to avoid memory allocations plus copying.&lt;/p&gt;</description>
                <environment></environment>
        <key id="2064221">SERVER-67102</key>
            <summary>Avoid unnecessary string copies in Resource Consumption metrics</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="jordi.olivares-provencio@mongodb.com">Jordi Olivares Provencio</assignee>
                                    <reporter username="jordi.olivares-provencio@mongodb.com">Jordi Olivares Provencio</reporter>
                        <labels>
                            <label>neweng</label>
                    </labels>
                <created>Wed, 8 Jun 2022 10:45:14 +0000</created>
                <updated>Sun, 29 Oct 2023 21:37:09 +0000</updated>
                            <resolved>Thu, 7 Jul 2022 13:32:01 +0000</resolved>
                                                    <fixVersion>6.1.0-rc0</fixVersion>
                    <fixVersion>6.2.0-rc0</fixVersion>
                                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="4782969" author="xgen-internal-githook" created="Mon, 29 Aug 2022 08:15:39 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Alberto Massari&apos;, &apos;email&apos;: &apos;alberto.massari@mongodb.com&apos;, &apos;username&apos;: &apos;albymassari&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-67102&quot; title=&quot;Avoid unnecessary string copies in Resource Consumption metrics&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-67102&quot;&gt;&lt;del&gt;SERVER-67102&lt;/del&gt;&lt;/a&gt; Complete the removal of unnecessary string copies in MetricsCollector&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/440849b9ebe471ddf4103185c261813dd01f1a01&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/440849b9ebe471ddf4103185c261813dd01f1a01&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="4663050" author="xgen-internal-githook" created="Thu, 7 Jul 2022 13:19:34 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jordi Olivares Provencio&apos;, &apos;email&apos;: &apos;jordi.olivares-provencio@mongodb.com&apos;, &apos;username&apos;: &apos;jordiolivares&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-67102&quot; title=&quot;Avoid unnecessary string copies in Resource Consumption metrics&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-67102&quot;&gt;&lt;del&gt;SERVER-67102&lt;/del&gt;&lt;/a&gt; Avoid unnecessary string copies for metrics&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/0f8bfc630081c7688bbc8072c4380d854f0e1c58&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/0f8bfc630081c7688bbc8072c4380d854f0e1c58&lt;/a&gt;&lt;/p&gt;</comment>
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                            <attachment id="383569" name="string-data-patch.patch" size="12577" author="jordi.olivares-provencio@mongodb.com" created="Wed, 8 Jun 2022 10:49:36 +0000"/>
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