Sudden TPS drops after opening the End – looking for insight

  • Thread starter Thread starter /u/Block-Future
  • Start date Start date
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/u/Block-Future

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Hello everyone,

I’m running a public Minecraft server hosted on PebbleHost with the following specs:

  • CPU: Ryzen 7 5700X @ 3.4 / 4.6 GHz
  • RAM: 8 GB DDR4 2133 MHz
  • Software: Paper 1.21.11

Up until about a day ago, the server was running perfectly fine. We were able to sustain 20 TPS with aprox. 20 players online without any noticeable lag.

The issue started a few hours after opening the End and hosting an End-related event. Since then, TPS drops occur consistently:

  • At around 8–10 players, TPS starts dropping noticeably.
  • With 15+ players, the server becomes almost unplayable. This is a big change compared to the previous stable performance.

I've talked to PebbleHost support but their advices didn't seem to be helping.

Here is one of the Spark reports captured during lag with 10 players:
[https://spark.lucko.me/IQBP5RRSey]()

server.propieties: https://mclo.gs/exTPYuB
Bukkit log: https://mclo.gs/HEQnVqr

(If I need to upload anything else just let me know)

What confuses me the most is that the server ran fine with more players before.

Any insight would be greatly appreciated.
tysm in advance

submitted by /u/Block-Future
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