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    <title>MongoDB Jira</title>
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    <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-14364] OpCounters values should be stored/exported as 64-bit integers</title>
                <link>https://jira.mongodb.org/browse/SERVER-14364</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;The counter values  in the OpCounters class have type AtomicUInt32, and are exported in ServerStatus as 32-bit integers.  The max value for this type is too small, and as such the class contains unnecessary overflow detection logic.  The counter values should be changed to have type AtomicUInt64.&lt;/p&gt;</description>
                <environment></environment>
        <key id="144122">SERVER-14364</key>
            <summary>OpCounters values should be stored/exported as 64-bit integers</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="9">Done</resolution>
                                        <assignee username="jacob.evans@mongodb.com">Jacob Evans</assignee>
                                    <reporter username="rassi">J Rassi</reporter>
                        <labels>
                            <label>SWDI</label>
                            <label>community-team</label>
                            <label>neweng</label>
                            <label>storch</label>
                    </labels>
                <created>Thu, 26 Jun 2014 17:07:23 +0000</created>
                <updated>Tue, 6 Apr 2021 05:21:20 +0000</updated>
                            <resolved>Tue, 30 Oct 2018 17:06:24 +0000</resolved>
                                                    <fixVersion>4.1.5</fixVersion>
                                    <component>Diagnostics</component>
                                        <votes>4</votes>
                                    <watches>17</watches>
                                                                                                                <comments>
                            <comment id="2046352" author="xgen-internal-githook" created="Tue, 30 Oct 2018 16:45:58 +0000"  >&lt;p&gt;Author:&lt;/p&gt;
{&apos;name&apos;: &apos;Jacob Evans&apos;, &apos;email&apos;: &apos;jacob.evans@10gen.com&apos;}
&lt;p&gt;Message: &lt;a href=&quot;https://jira.mongodb.org/browse/SERVER-14364&quot; title=&quot;OpCounters values should be stored/exported as 64-bit integers&quot; class=&quot;issue-link&quot; data-issue-key=&quot;SERVER-14364&quot;&gt;&lt;del&gt;SERVER-14364&lt;/del&gt;&lt;/a&gt; Make OpCounters 64-bit&lt;br/&gt;
Branch: master&lt;br/&gt;
&lt;a href=&quot;https://github.com/mongodb/mongo/commit/27d6f6977113551e0e3444b4f76c646d94e75a49&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;https://github.com/mongodb/mongo/commit/27d6f6977113551e0e3444b4f76c646d94e75a49&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="1189235" author="kyle.suarez" created="Tue, 1 Mar 2016 16:14:57 +0000"  >&lt;p&gt;BSON cannot handle unsigned 64-bit integers, so I&apos;m inclined to change the counters to a (signed) AtomicInt64.&lt;/p&gt;</comment>
                            <comment id="1108831" author="bruce.lucas@10gen.com" created="Tue, 8 Dec 2015 22:00:32 +0000"  >&lt;p&gt;Note by the way that this also causes tooling (such as timeseries) to compute an incorrect value for averages (e.g. average insert rate) if it crosses a wrap point, producing misleading numbers. (Yes a workaround can be added to detect wrap points and not compute averages that cross them).&lt;/p&gt;</comment>
                            <comment id="1076600" author="bruce.lucas@10gen.com" created="Mon, 2 Nov 2015 12:22:18 +0000"  >&lt;p&gt;This means that these counters wrap relatively frequently - in less than an hour at heavy load - making it difficult (if you have a complete timeseries at intervals shorter than the wrap time) or impossible (if you have only a single serverStatus) to get averages over periods longer than that. There are diagnostic situations where it would be useful to answer questions like &quot;has the mongod instance seen a large number of deletes since it was started&quot;, and 64-bit counters would allow us to answer those questions.&lt;/p&gt;</comment>
                            <comment id="684146" author="matt.kangas@10gen.com" created="Thu, 7 Aug 2014 19:07:09 +0000"  >&lt;p&gt;If we do this, we should still wrap at 2 &lt;sup&gt;53&lt;/sup&gt; if we wish to keep counters as exact integral values in the shell.&lt;/p&gt;

&lt;p&gt;&lt;a href=&quot;http://ecma262-5.com/ELS5_HTML.htm#Section_8.5&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;ECMA 262 Section 8.5 - Numbers&lt;/a&gt;&lt;/p&gt;</comment>
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            <issuekey id="143743">SERVER-14341</issuekey>
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            <issuekey id="31123">SERVER-5026</issuekey>
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