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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>
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<item>
            <title>[BDS-205] Server causes high CPU usage even when idling</title>
                <link>https://bugs.mojang.com/browse/BDS-205</link>
                <project id="11700" key="BDS">Bedrock Dedicated Server</project>
                    <description>&lt;p&gt;No player online, when the server is idle, the CPU usage is high.&lt;/p&gt;</description>
                <environment></environment>
        <key id="217350">BDS-205</key>
            <summary>Server causes high CPU usage even when idling</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="3">Duplicate</resolution>
                                        <assignee username="-1">Unassigned</assignee>
                                    <reporter username="zxl777">ZHANG XIAOLONG</reporter>
                        <labels>
                            <label>awaiting-response</label>
                    </labels>
                <created>Tue, 30 Oct 2018 07:26:35 +0100</created>
                <updated>Sat, 28 Mar 2020 15:47:07 +0100</updated>
                            <resolved>Sat, 28 Mar 2020 15:47:07 +0100</resolved>
                                    <version>1.6.1.0</version>
                                                            <votes>2</votes>
                                    <watches>1</watches>
                                                                            <comments>
                            <comment id="655259" author="ionicecko" created="Sat, 28 Mar 2020 15:26:19 +0100"  >&lt;p&gt;Thanks Zhang,&lt;/p&gt;

&lt;p&gt;Sorry its taken so long for me to get back to you. We&apos;re actually already tracking this issue under &lt;b&gt;&lt;a href=&quot;https://bugs.mojang.com/browse/BDS-2574&quot; title=&quot;1.14+ Linux Performance Degradation&quot; class=&quot;issue-link&quot; data-issue-key=&quot;BDS-2574&quot;&gt;&lt;del&gt;BDS-2574&lt;/del&gt;&lt;/a&gt;&lt;/b&gt;.&lt;/p&gt;

&lt;p&gt;I realise this ticket is far older than that one however as i was going through the backlog it appeared to be the one with the most &quot;watchers&quot; (community members who have requested updates on the ticket) and had a substantial amount of information. It has since been forwarded onto Mojang!&lt;/p&gt;

&lt;p&gt;If you would like to add a vote and any extra information that&apos;s missing to the main ticket it would be appreciated.&lt;/p&gt;

&lt;p&gt;Ionic&lt;/p&gt;

&lt;p&gt;&lt;b&gt;Quick Links&lt;/b&gt;:&lt;br/&gt;
&#128211; &lt;a href=&quot;https://bugs.mojang.com/projects/BDS/summary&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;Issue Guidelines&lt;/a&gt; &amp;#8211; &#128172; &lt;a href=&quot;https://minecrafthopper.net/help/technical-support-resources/&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Community Support&lt;/a&gt; &amp;#8211; &#128231; &lt;a href=&quot;https://help.minecraft.net/hc/en-us/requests/new&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;Customer Support&lt;/a&gt; &amp;#8211; &#128214; &lt;a href=&quot;https://minecraft.gamepedia.com/Bedrock_Dedicated_Server&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;BDS Wiki&lt;/a&gt; &amp;#8211; &#128214; &lt;a href=&quot;https://help.minecraft.net/hc/en-us/articles/360035131651-Dedicated-Servers-for-Minecraft-on-Bedrock-&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;FAQs&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="644287" author="zxl777" created="Sat, 7 Mar 2020 13:21:02 +0100"  >&lt;p&gt;Hi,IonicEcko&lt;/p&gt;

&lt;p&gt;Yes, this high CPU usage problem persists in the Linux version of BDS.&lt;br/&gt;
BDS in Windows version works fine.&lt;/p&gt;

&lt;p&gt;We have an engineer performing a reverse analysis of the Linux version of the BDS kernel and found that there are many places that are not optimized, so the performance is much worse than the Windows version.&lt;/p&gt;</comment>
                            <comment id="642762" author="ionicecko" created="Wed, 4 Mar 2020 11:37:32 +0100"  >&lt;p&gt;Hi Zhang,&lt;/p&gt;

&lt;p&gt;Are you still experiencing this issue?&lt;/p&gt;

&lt;p&gt;While there appears to be an issue with BDS and performance when users are connected. When idle my Ubuntu test server is in the 0.X% range.&lt;/p&gt;

&lt;p&gt;Ionic&lt;/p&gt;</comment>
                            <comment id="509505" author="cwawak" created="Mon, 31 Dec 2018 03:17:24 +0100"  >&lt;p&gt;Seeing 100% on 2 cores all the time on a Google Cloud VM on bedrock_server 1.8.0.24.&#160;&lt;/p&gt;</comment>
                            <comment id="505516" author="bemoty" created="Fri, 7 Dec 2018 15:03:24 +0100"  >&lt;p&gt;&lt;a href=&quot;https://bugs.mojang.com/browse/BDS-243&quot; title=&quot;Extremely high cpu usage and lag on 4 core VPS&quot; class=&quot;issue-link&quot; data-issue-key=&quot;BDS-243&quot;&gt;&lt;del&gt;BDS-243&lt;/del&gt;&lt;/a&gt; has been resolved as a duplicate of this issue &#8211; that doesn&apos;t mean that issue was fixed.&lt;/p&gt;</comment>
                            <comment id="504758" author="zxl777" created="Mon, 3 Dec 2018 11:49:56 +0100"  >&lt;p&gt;We have seen that the &lt;a href=&quot;https://bugs.mojang.com/browse/BDS-243&quot; title=&quot;Extremely high cpu usage and lag on 4 core VPS&quot; class=&quot;issue-link&quot; data-issue-key=&quot;BDS-243&quot;&gt;&lt;del&gt;BDS-243&lt;/del&gt;&lt;/a&gt; flag has been resolved. Can I update to the latest beta?&lt;/p&gt;</comment>
                            <comment id="498709" author="zxl777" created="Fri, 2 Nov 2018 14:14:04 +0100"  >&lt;p&gt;1 Core CPU on Google Cloud VM . Debian 9.&lt;/p&gt;

&lt;p&gt;50% CPU all time.&lt;/p&gt;

&lt;p&gt;&#160;&lt;/p&gt;</comment>
                            <comment id="498436" author="odiss" created="Thu, 1 Nov 2018 04:56:18 +0100"  >&lt;p&gt;How many cores are you running? And whats the processor? BDS needs lots of CPU power to make it run decently. I tried BDS with a 1 Core VPS and the load was 100% at all times. Using Ubuntu 18.04 server&lt;/p&gt;</comment>
                    </comments>
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                    <name>Duplicate</name>
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            <issuekey id="281773">BDS-2574</issuekey>
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            <issuekey id="218877">BDS-243</issuekey>
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            <issuekey id="215612">BDS-162</issuekey>
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            <issuelink>
            <issuekey id="215787">BDS-178</issuekey>
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            <issuelink>
            <issuekey id="217370">BDS-209</issuekey>
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                            <attachment id="191099" name="htop.jpg" size="24184" author="bemoty" created="Sat, 24 Nov 2018 23:22:11 +0100"/>
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