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    <title>Mojang Studios Jira</title>
    <link>https://bugs.mojang.com</link>
    <description>This file is an XML representation of an issue</description>
    <language>en</language>    <build-info>
        <version>9.12.2</version>
        <build-number>9120002</build-number>
        <build-date>10-01-2024</build-date>
    </build-info>


<item>
            <title>[MC-5805] When the game is paused, it still uses lot of CPU</title>
                <link>https://bugs.mojang.com/browse/MC-5805</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;h3&gt;&lt;a name=&quot;Thebug&quot;&gt;&lt;/a&gt;The bug&lt;/h3&gt;
&lt;p&gt;When in the pause menu, the game continues to use excessive power from the CPU. In task manager, it goes down from 49% average to 36% average, a drop of 13 percentage points while the game is not doing anything expect rendering a paused world and menu.&lt;/p&gt;</description>
                <environment></environment>
        <key id="18457">MC-5805</key>
            <summary>When the game is paused, it still uses lot of CPU</summary>
                <type id="1" iconUrl="https://bugs.mojang.com/secure/viewavatar?size=xsmall&amp;avatarId=18903&amp;avatarType=issuetype">Bug</type>
                                    <status id="5" iconUrl="https://bugs.mojang.com/images/icons/statuses/resolved.png" description="A resolution has been taken, and it is awaiting verification by reporter. From here issues are either reopened, or are closed.">Resolved</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="7">Invalid</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="Oval">Oval</reporter>
                        <labels>
                    </labels>
                <created>Thu, 3 Jan 2013 20:33:35 +0100</created>
                <updated>Tue, 1 Jun 2021 09:26:33 +0200</updated>
                            <resolved>Tue, 1 Jun 2021 09:26:33 +0200</resolved>
                                    <version>Minecraft 1.4.6</version>
                    <version>Minecraft 1.8</version>
                    <version>Minecraft 1.8.8</version>
                    <version>Minecraft 15w37a</version>
                    <version>Minecraft 1.10.2</version>
                    <version>Minecraft 16w32a</version>
                    <version>Minecraft 16w32b</version>
                    <version>Minecraft 16w33a</version>
                    <version>Minecraft 16w35a</version>
                    <version>Minecraft 16w41a</version>
                    <version>1.15.2</version>
                    <version>20w51a</version>
                                                                        <votes>12</votes>
                                    <watches>4</watches>
                                                                            <comments>
                            <comment id="1002560" author="nighter" created="Tue, 1 Jun 2021 09:26:33 +0200"  >&lt;p&gt;We will look to improve this down the line, but the game is not expected to stop processing completely when paused.&lt;/p&gt;</comment>
                            <comment id="883913" author="JIRAUSER566325" created="Fri, 25 Dec 2020 20:15:23 +0100"  >&lt;p&gt;Can confirm in 20w51a.&lt;/p&gt;</comment>
                            <comment id="627187" author="farogaming" created="Fri, 24 Jan 2020 23:47:14 +0100"  >&lt;p&gt;&lt;a href=&quot;https://bugs.mojang.com/secure/ViewProfile.jspa?name=Oval&quot; class=&quot;user-hover&quot; rel=&quot;Oval&quot;&gt;Oval&lt;/a&gt; From 49% to 36% is a drop of 26.531%. Alternatively 13 percentage points, not 13 percent.&lt;/p&gt;</comment>
                            <comment id="322077" author="farogaming" created="Mon, 25 Jul 2016 18:32:54 +0200"  >&lt;p&gt;I see the percentage of &quot;fpslimit_wait&quot; slowly climb to about 62% when paused, even on laptop with 21 chunks render distance. &quot;gameRenderer&quot; takes up about 30%, but still way less than when not paused. Maybe it&apos;s something because the game keeps running when you are in pause screen on a server?&lt;/p&gt;</comment>
                            <comment id="248942" author="marcono1234" created="Sat, 12 Sep 2015 17:07:21 +0200"  >&lt;p&gt;Confirmed for&lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;&lt;b&gt;15w37a&lt;/b&gt; A &quot;The Void&quot; preset without decoration paused still uses CPU from 3-5%&lt;/li&gt;
&lt;/ul&gt;
</comment>
                            <comment id="215535" author="ezekielelin" created="Sat, 10 Jan 2015 18:47:33 +0100"  >&lt;p&gt;Reopened.&lt;/p&gt;</comment>
                            <comment id="202964" author="marcono1234" created="Fri, 10 Oct 2014 16:30:59 +0200"  >&lt;p&gt;Mods please.... &lt;b&gt;Hello&lt;/b&gt;?&lt;/p&gt;</comment>
                            <comment id="201830" author="marcono1234" created="Sun, 28 Sep 2014 15:58:20 +0200"  >&lt;p&gt;Confirmed for &lt;/p&gt;
&lt;ul class=&quot;alternate&quot; type=&quot;square&quot;&gt;
	&lt;li&gt;&lt;b&gt;1.8&lt;/b&gt; maybe it indeed has to keep the chunk loaded, but there is something going really wrong when it needs&lt;br/&gt;
   1. 6%-10% of the CPU for 2 Chunks Renderdistance (With some blocks, also command blocks, redstone...)&lt;br/&gt;
   2. 4%-7% of the CPU in an empty chunk... (really empty, created it as preset: 3;minecraft:air,minecraft:air;1 ) also 2 Chunk Renderdistance&lt;br/&gt;
   3. 2%-3% only for the F3 menu&lt;br/&gt;
   4. only 7%-8% more CPU to keep 12 Chunks loaded instead of 2&lt;br/&gt;
And also, shouldn&apos;t this chunk loading also happen in the memory part of the graphic card&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;&lt;em&gt;Also when just having the start menu open it needs 3-6% CPU so please explain me that...&lt;/em&gt;&lt;/p&gt;

</comment>
                            <comment id="130526" author="ezekielelin" created="Sat, 11 Jan 2014 16:59:33 +0100"  >&lt;p&gt;This ticket is &lt;em&gt;incomplete&lt;/em&gt; without the requested information, no response has been received within a reasonable time and we are assuming the issue has been resolved. Should your issue return please submit a new &lt;b&gt;complete&lt;/b&gt; ticket with all available information.&lt;br/&gt;
Please review the &lt;a href=&quot;http://help.mojang.com/customer/portal/articles/801354-writing-helpful-bug-reports-for-minecraft&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;guidelines&lt;/a&gt; before reporting issues.&lt;/p&gt;</comment>
                            <comment id="121437" author="talven81" created="Tue, 26 Nov 2013 21:10:34 +0100"  >&lt;p&gt;Is this still a concern in the &lt;em&gt;current Minecraft version&lt;/em&gt; &lt;b&gt;1.7.2&lt;/b&gt; / Launcher version &lt;b&gt;1.3.4&lt;/b&gt; ? If so, please &lt;em&gt;update the affected versions&lt;/em&gt; in order to best aid Mojang ensuring bugs are still valid in the latest releases/pre-releases.&lt;/p&gt;</comment>
                            <comment id="111940" author="coaster3000" created="Thu, 17 Oct 2013 03:01:55 +0200"  >&lt;p&gt;The ingame menu is pausing and unpausing cpu as described in &lt;a href=&quot;https://bugs.mojang.com/browse/MC-6890&quot; title=&quot;Background Animation Menu Severe CPU Lag&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-6890&quot;&gt;&lt;del&gt;MC-6890&lt;/del&gt;&lt;/a&gt;.&lt;br/&gt;
This issue is relative to this. But it seems that &lt;a href=&quot;https://bugs.mojang.com/browse/MC-6890&quot; title=&quot;Background Animation Menu Severe CPU Lag&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-6890&quot;&gt;&lt;del&gt;MC-6890&lt;/del&gt;&lt;/a&gt; is now affecting more than the main menu now.&lt;/p&gt;</comment>
                            <comment id="59852" author="zaazmonkeyz" created="Thu, 11 Apr 2013 00:59:36 +0200"  >&lt;p&gt;yeah, i dont know if it would have anything to do with my mac&apos;s specs but it lags really badly, i do think its normal but it seems to have escalated since 1.5, but it doesn&apos;t annoy too much as the lag spikes only last for about 30 seconds but it really is just a convenience thing and it would be nice to get it fixed.I do agree that it is normal for programs to lag but it is really severe(on my computer at least) and it can, at times, be annoying&lt;/p&gt;</comment>
                            <comment id="59850" author="busmap23" created="Thu, 11 Apr 2013 00:52:52 +0200"  >&lt;p&gt;O.k., I understand what you&apos;re saying.  I, too, get that.  I thought this was something that is normal. Some programs have spikes like this, but it is not as severe as you are telling me now.&lt;/p&gt;</comment>
                            <comment id="59830" author="zaazmonkeyz" created="Wed, 10 Apr 2013 22:43:41 +0200"  >&lt;p&gt;I would imagine this to be a glitch(maybe caused because the game now thinks it is always in multiplayer) and I, myself have experienced this &quot;lag&quot; glitch and my fps seems to be stable when you stay still but as soon as i move it drops from about 120fps to 1fps and it it is quite annoying so please mojang if you are reading this, I am sure most people would appreciate this glitch being fixed, also i am reporting this using 1.5.1 so the glitch is still in the game&lt;/p&gt;</comment>
                            <comment id="59820" author="busmap23" created="Wed, 10 Apr 2013 22:07:33 +0200"  >&lt;p&gt;I, too, believe this is an invalid/works as intended. The chunks are still loaded, but mobs are in a &quot;paused&quot; state.&lt;/p&gt;</comment>
                            <comment id="32661" author="league" created="Fri, 4 Jan 2013 14:42:31 +0100"  >&lt;p&gt;it&apos;s logical because even though nothing is moving, all the chunks are still loaded. just like when you are on a huge map like enterprise-D. nothing is moving but it still sucks up all your ram. it&apos;s either this or no pause at all. because what you&apos;re asking is pretty much the same as the save and quit button.&lt;/p&gt;

&lt;p&gt;I vote for not a bug&lt;/p&gt;</comment>
                            <comment id="32304" author="amezick" created="Thu, 3 Jan 2013 21:07:20 +0100"  >&lt;p&gt;jvisualvm profile dump.  Looks like a LOT of the idle loop is spent continually saving files.&lt;/p&gt;</comment>
                    </comments>
                <issuelinks>
                            <issuelinktype id="10103">
                    <name>Relates</name>
                                                                <inwardlinks description="relates to">
                                        <issuelink>
            <issuekey id="19665">MC-6890</issuekey>
        </issuelink>
                            </inwardlinks>
                                    </issuelinktype>
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                <attachments>
                            <attachment id="16670" name="idleprofile.nps" size="31072" author="amezick" created="Thu, 3 Jan 2013 21:07:19 +0100"/>
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