I read your another article and github PR.
- CircuitBreakingException: [parent] Data too large IN ES 7.x
- https://github.com/elastic/elasticsearch/pull/46169
So, I will tried to use this option once more.
-XX:G1ReservePercent=25
-XX:InitiatingHeapOccupancyPercent=30
Thanks and I hope solved this problem by this option.