Server overload after 5 hours of work

Hello. My server overload after 5 hours of work. TPS down to 8-10. Players 25-30. I can’t understand. I wrote to the Spartan anti cheat plugin developer, but he answered all right. Please see what is the cause of the overload.

https://timings.aikar.co/?id=f7d88993074d4084a1489bedf59adfbb#timings

spartan only seems to make up ~2% of total usage and ~5% total

it might be these areas?

here:
Totals : 115 Entities - 2 — Tile Entities - Summary:

512,1024 (Area Seen 1 times)
Totals : 66 Entities - 100 — Tile Entities - Summary:

-1024,6144 (Area Seen 1 times)
Totals : 138 Entities - 68 — Tile Entities - Summary:

1024,512 (Area Seen 1 times)
Totals : 200 Entities - 96 — Tile Entities - Summary:

1024,6144 (Area Seen 1 times)
Totals : 209 Entities - 206 — Tile Entities - Summary:

512,512 (Area Seen 1 times)
Totals : 169 Entities - 341 — Tile Entities - Summary:

2048,-512 (Area Seen 1 times)
Totals : 540 Entities - 739 — Tile Entities - Summary: