Affects Version/s: Minecraft 19w09a
Fix Version/s: None
Environment:New server setup on 19w09a.
* AMD FX-8350 octacore
* 32 GB RAM
* Minecraft installed to RAID 5 spinning disks
Running as an unprivilaged user.
Run command: java -server -Xmx12288M -Xms1024M -jar minecraft_server.jar nogui
Daemonized via detached screen.
Server performs poorly with players, and consumes more than an entire CPU core.
Sever consumes >1 CPU core with no players present on the game.
Behavior persists through restarts and exhibits itself immediately upon startup.
Logs and server.properties are attached.
World is available here: https://www.dropbox.com/s/mmgu1nhha7z20yc/take-nine.tar.gz?dl=0