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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-16594] geoNear performance on low-end machine</title>
                <link>https://jira.mongodb.org/browse/SERVER-16594</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;I also noticed a slow using Geonear with 2dsphere index,&lt;br/&gt;
but what is slow, im pretty new with mongo so imnot sure ,&lt;br/&gt;
here is the context:&lt;br/&gt;
i make a full scan over 35000 item collections with no limit result,&lt;br/&gt;
it takes about 5s on a 1core vm google cloud machine.&lt;br/&gt;
If its not a normal things (i guess) , i can provide you the collection for reproduce pb;&lt;br/&gt;
We just discover mongo and love it but this limitation is a serious blocker for us project.&lt;/p&gt;

&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
		&lt;tbody &gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;db.runCommand({ geoNear: &quot;tablegui&quot;, near: [2.298800, 48.854355], spherical: true, distanceMultiplier: 6371 , maxDistance:2000/6371 , limit:37000 });&lt;/span&gt;&lt;/pre&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&amp;nbsp;&lt;/pre&gt;
			&lt;/td&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;stats&quot; :&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;{ &quot;nscanned&quot; : NumberLong(810310), &quot;objectsLoaded&quot; : NumberLong(810310), &quot;avgDistance&quot; : 325.45877488880984, &quot;maxDistance&quot; : 701.9530252234592, &quot;time&quot; : 5511 } , &quot;ok&quot; : 1&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;</description>
                <environment></environment>
        <key id="175348">SERVER-16594</key>
            <summary>geoNear performance on low-end machine</summary>
                <type id="1" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14703&amp;avatarType=issuetype">Bug</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="siyuan.zhou@mongodb.com">Siyuan Zhou</assignee>
                                    <reporter username="pulsar">guipulsar</reporter>
                        <labels>
                    </labels>
                <created>Thu, 18 Dec 2014 18:52:09 +0000</created>
                <updated>Fri, 9 Jan 2015 06:00:25 +0000</updated>
                            <resolved>Fri, 9 Jan 2015 06:00:25 +0000</resolved>
                                                                    <component>Geo</component>
                    <component>Performance</component>
                    <component>Querying</component>
                                        <votes>0</votes>
                                    <watches>3</watches>
                                                                                                                <comments>
                            <comment id="797320" author="siyuan.zhou@10gen.com" created="Mon, 5 Jan 2015 18:41:15 +0000"  >&lt;p&gt;Hey &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=pulsar&quot; class=&quot;user-hover&quot; rel=&quot;pulsar&quot;&gt;pulsar&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;As far as I know, Google Cloud provides different kinds of 1 core VM with various capability, from shared CPU to a single hyperthread. Since database is memory (for cache) and I/O intensive and geo query needs more computation particularly, the performance sounds reasonable to me. If it&apos;s far from you expectation, the first step would be to understand the bottleneck in the system. Feel free to come back if you get more information that indicates a performance bug in MongoDB.&lt;/p&gt;

&lt;p&gt;Thanks,&lt;br/&gt;
Siyuan&lt;/p&gt;</comment>
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