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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-60274] query  collection A very slow after renameCollection A to B</title>
                <link>https://jira.mongodb.org/browse/SERVER-60274</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;I have a collection &quot;nene_msg&quot; where has many data and is online with high qps (2k qps). And I run:&#160;&lt;br/&gt;
db.nene_msg.renameCollection(&quot;nene_msg_2021_09_27&quot;),&#160;&#160;&lt;br/&gt;
then after some minutes,&#160; &#160;query from &quot;nene_msg&quot; online is very slow, from 1~3 milliseconds to hundreds of&#160; milliseconds.&lt;br/&gt;
&#160;&lt;br/&gt;
I use mongoTemplate to query online, and add index with background mode, such as:&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;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: #008200; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;//&#20195;&#30721;&#21344;&#20301;&#31526;&lt;/span&gt;&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: gray; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;@CompoundIndex&lt;/span&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;(name = &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;current_room_status_sender_dest_createTime&quot;&lt;/span&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;,&lt;/span&gt;&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; def = &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;{&apos;&quot;&lt;/span&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; + ActionEventMO.Fields.currentRoomId + &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;&apos;: 1, &apos;&quot;&lt;/span&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; + ActionEventMO.Fields.actionStatus + &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;&apos;: 1, &apos;&quot;&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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					&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; + ActionEventMO.Fields.senderId + &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;&apos;: 1, &apos;&quot;&lt;/span&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; + ActionEventMO.Fields.destId + &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;&apos;: 1, &apos;&quot;&lt;/span&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; + ActionEventMO.Fields.createTime + &lt;/span&gt;&lt;span style=&quot;color: blue; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;&quot;&apos;: 1}&quot;&lt;/span&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;,&lt;/span&gt;&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;   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; background = &lt;/span&gt;&lt;span style=&quot;color: #006699; font-weight: bold; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;true&lt;/span&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;),&lt;/span&gt;&lt;/pre&gt;
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&lt;p/&gt;
&lt;p&gt;Could you please help me to find the reason?&lt;br/&gt;
Thanks a million.&lt;br/&gt;
&#160;&lt;br/&gt;
The statistics of the document &quot;nene_msg&quot; is as follows:&lt;br/&gt;
DOCUMENTS&lt;br/&gt;
6.4m&lt;br/&gt;
TOTAL SIZE&lt;br/&gt;
18.2GB&lt;br/&gt;
AVG. SIZE&lt;br/&gt;
3.0KB&lt;/p&gt;</description>
                <environment></environment>
        <key id="1885294">SERVER-60274</key>
            <summary>query  collection A very slow after renameCollection A to B</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="edwin.zhou@mongodb.com">Edwin Zhou</assignee>
                                    <reporter username="hustzjl@gmail.com">Oneday Zhang</reporter>
                        <labels>
                    </labels>
                <created>Tue, 28 Sep 2021 13:50:40 +0000</created>
                <updated>Mon, 1 Nov 2021 21:21:38 +0000</updated>
                            <resolved>Mon, 1 Nov 2021 21:21:38 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>2</watches>
                                                                                                                <comments>
                            <comment id="4161853" author="JIRAUSER1257066" created="Mon, 1 Nov 2021 21:21:29 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=hustzjl%40gmail.com&quot; class=&quot;user-hover&quot; rel=&quot;hustzjl@gmail.com&quot;&gt;hustzjl@gmail.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;We haven&#8217;t heard back from you for some time, so I&#8217;m going to close this ticket. If this is still an issue for you, please provide additional information and we will reopen the ticket.&lt;/p&gt;

&lt;p&gt;Best,&lt;br/&gt;
Edwin&lt;/p&gt;</comment>
                            <comment id="4145268" author="JIRAUSER1257066" created="Mon, 25 Oct 2021 14:13:45 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=hustzjl%40gmail.com&quot; class=&quot;user-hover&quot; rel=&quot;hustzjl@gmail.com&quot;&gt;hustzjl@gmail.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;We still need additional information to diagnose the problem. If this is still an issue for you, would you please let us know what MongoDB version you&apos;re using, your cluster topology, and may you please archive (tar or zip) the &lt;tt&gt;$dbpath/diagnostic.data&lt;/tt&gt; directory and attach it to this ticket? Please indicate the timestamps where the renameCollection was performed and when the change in performance is observed.&lt;/p&gt;

&lt;p&gt;Best,&lt;br/&gt;
Edwin&lt;/p&gt;</comment>
                            <comment id="4106698" author="JIRAUSER1257066" created="Wed, 6 Oct 2021 17:58:12 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=hustzjl%40gmail.com&quot; class=&quot;user-hover&quot; rel=&quot;hustzjl@gmail.com&quot;&gt;hustzjl@gmail.com&lt;/a&gt;,&lt;/p&gt;

&lt;p&gt;Thanks for your report. Can you provide additional information that will aid us in this investigation?&lt;/p&gt;
&lt;ul&gt;
	&lt;li&gt;What MongoDB version are you running?&lt;/li&gt;
	&lt;li&gt;What topology are you using?&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Would you also please archive (tar or zip) the &lt;tt&gt;$dbpath/diagnostic.data&lt;/tt&gt; directory (the contents are described &lt;a href=&quot;https://docs.mongodb.com/manual/administration/analyzing-mongodb-performance/#full-time-diagnostic-data-capture&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;here&lt;/a&gt;) and attach it to this ticket? Please indicate the timestamps where the renameCollection was performed and when the change in performance is observed.&lt;/p&gt;

&lt;p&gt;Best,&lt;br/&gt;
Edwin&lt;/p&gt;</comment>
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