MrTJPCore-1.12.2-2.1.3.35-universal
forge-1.12.2-14.23.4.2760-universal.jar

[09:12:12] [Server thread/WARN] [FML]: Please report this to the mod's issue tracker. This log can be disabled in the Forge config.
[09:12:12] [Server thread/WARN] [FML]: MrTJPCore loaded a new chunk [-17, -11] in dimension 0 (overworld) while populating chunk [-15, -11], causing cascading worldgen lag.
[09:12:12] [Server thread/WARN] [FML]: Please report this to the mod's issue tracker. This log can be disabled in the Forge config.
[09:12:12] [Server thread/WARN] [FML]: MrTJPCore loaded a new chunk [-16, -12] in dimension 0 (overworld) while populating chunk [-15, -11], causing cascading worldgen lag.
[09:12:12] [Server thread/WARN] [FML]: Please report this to the mod's issue tracker. This log can be disabled in the Forge config.
[09:12:12] [Server thread/WARN] [FML]: MrTJPCore loaded a new chunk [-15, -12] in dimension 0 (overworld) while populating chunk [-15, -11], causing cascading worldgen lag.

So, are there any plans to optimize this? Because generating chunks is severely hindered by the world gen of Project Red.

This is not an error, Volcanoes are big.

I know, it probably doesn't help, but...
I saw this in relation to Dynmap several times.