Getting Lag Spikes Every 15 Seconds

Hi, As the title implies, we’re experiencing lag spikes almost exactly every 15 seconds. Our usage is minimal compared to what’s allocated to the server, my only thought could be that it’s the JVM GC, is anyone familiar with optimization and able to help out? I can provide more info if needed.
10 Replies
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Requested by reignoffroze#0
Reign
ReignOP2y ago
spark
spark is a performance profiler for Minecraft clients, servers, and proxies.
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Spark Profile Analysis
❌ Processing Error
The bot cannot process this Spark profile. It appears that the platform is not supported for analysis. Platform: Forge
Requested by reignoffroze#0
Cooleg
Cooleg2y ago
Are you really sure you used the right sponge plugin version? It should work just fine If you tried sponge api version 8 before try the 6/7 @Reign
Reign
ReignOP2y ago
I tried the 6/7 before because I’m on 7.4
Cooleg
Cooleg2y ago
and did it error in console or smthn? like what was actually broken
Reign
ReignOP2y ago
Sponge marked it as a loaded plugin but none of the commands generated as in you'd see it in /sponge plugins but if you ran /spark profiler it'd say Unknown command
Reign
ReignOP2y ago
Running /spark tickmonitor ingame gives this output:
No description
Reign
ReignOP2y ago
every second on the dot takes high 300 ms it's possible it's caused by EU2 redstone clocks Disabling those brought the tps right up to 20, odd
Cooleg
Cooleg2y ago
thats not surprising redstone can be intense

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