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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>[MC-3364] Massive FPS loss near large pools of lava due to sounds</title>
                <link>https://bugs.mojang.com/browse/MC-3364</link>
                <project id="10400" key="MC">Minecraft: Java Edition</project>
                    <description>&lt;p&gt;Normally while playing my frame-rates are totally fine (60+), but when flying near large pools of lava, especially in the nether, I experience massive amounts of FPS loss and freezing. This happens both with and without any client mods (I&apos;ve tried vanilla, with MCPatcher, with Optifine - nothing makes a difference). The debug window also shows sound shooting up massively during the FPS loss.&lt;/p&gt;

&lt;p&gt;A few others on my server have confirmed having this issue too, and there does not seem to be any particular common denominator that&apos;s out of the ordinary.&lt;/p&gt;

&lt;p&gt;The freezing and fps issues stop when you disable sounds, so I can only assume it&apos;s due to the massive amount of popping and lava-ish sounds happening all at once.&lt;/p&gt;

&lt;p&gt;I attempted to try it just without the lava sounds in particular, but Minecraft seems to be smart enough to just re-download the sounds when i remove or overwrite them!&lt;/p&gt;

&lt;p&gt;Some looking around also led me to forum posts with others who are having the same issues, it seems to be fairly wide-spread and definitely involves lava and sound.&lt;/p&gt;</description>
                <environment>Windows 7 64-bit&lt;br/&gt;
Java 7u9&lt;br/&gt;
Desktop with 6gb RAM, GeForce GTX580, Core i5</environment>
        <key id="15357">MC-3364</key>
            <summary>Massive FPS loss near large pools of lava due to sounds</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="xikage">Xikage</reporter>
                        <labels>
                            <label>FPS</label>
                    </labels>
                <created>Sun, 18 Nov 2012 04:45:44 +0100</created>
                <updated>Mon, 7 Sep 2015 19:17:13 +0200</updated>
                            <resolved>Sun, 27 Jan 2013 03:16:06 +0100</resolved>
                                    <version>Minecraft 1.4.4</version>
                                                                        <votes>2</votes>
                                    <watches>3</watches>
                                                                            <comments>
                            <comment id="40204" author="bljat" created="Sun, 27 Jan 2013 03:16:06 +0100"  >&lt;p&gt;Resolving FPS losses caused by sound to &lt;a href=&quot;https://bugs.mojang.com/browse/MC-46&quot; title=&quot;Rain sound causes stuttering&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-46&quot;&gt;&lt;del&gt;MC-46&lt;/del&gt;&lt;/a&gt;.&lt;/p&gt;</comment>
                            <comment id="33169" author="randomzh" created="Sat, 5 Jan 2013 13:28:44 +0100"  >&lt;p&gt;I have the exact same Issue. Usually 160fps. But 0..1 fps for 1-4 seconds (nearly freeze) when I walk and I&apos;m near a LOT of lava (just above a lava ocean in nether). I replaced the lava.ogg file with a valid .ogg file of audio-length 0 ms. I put read-only flag to the file such that MC cannot overwrite it. This fixed the issue.&lt;/p&gt;

&lt;p&gt;I suppose my CPU just has too few power to calculate massive lava sounds.&lt;/p&gt;

&lt;p&gt;32Bit win XP&lt;br/&gt;
latest java version&lt;br/&gt;
CPU: Duo Core 2 / 2.4Ghz / E6600&lt;br/&gt;
2GB Ram&lt;/p&gt;</comment>
                            <comment id="23062" author="theant" created="Sun, 18 Nov 2012 23:11:40 +0100"  >&lt;p&gt;Another related issue &lt;a href=&quot;https://mojang.atlassian.net/browse/MC-1538&quot; class=&quot;external-link&quot; target=&quot;_blank&quot; rel=&quot;nofollow noopener&quot;&gt;MC-1538&lt;/a&gt; involving many sounds playing simultaneously causing lag.&lt;/p&gt;</comment>
                            <comment id="22998" author="chalmes" created="Sun, 18 Nov 2012 20:30:40 +0100"  >&lt;p&gt;Possible duplicate of &lt;a href=&quot;https://bugs.mojang.com/browse/MC-560&quot; title=&quot;Sound made by mobs in water causes massive FPS drop&quot; class=&quot;issue-link&quot; data-issue-key=&quot;MC-560&quot;&gt;&lt;del&gt;MC-560&lt;/del&gt;&lt;/a&gt;, marking as related at least for now as a possible extra use-case for testing&lt;/p&gt;</comment>
                            <comment id="22796" author="xikage" created="Sun, 18 Nov 2012 04:59:34 +0100"  >&lt;p&gt;Screenshot of me sitting in the nether. FPS is good until I drop down near the lava, then it just crashes and sound jumps up massively as seen here.&lt;/p&gt;</comment>
                    </comments>
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            <issuekey id="11285">MC-46</issuekey>
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                            <attachment id="13570" name="screenshot-1.jpg" size="742582" author="xikage" created="Sun, 18 Nov 2012 04:59:34 +0100"/>
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