initial executor number 10 must between min executor number 1 and max executor number 8 问题处理

1、静态 Executor 数量分配（禁用动态分配）
spark.dynamicAllocation.enabled=false
spark.executor.instances=16

2、动态资源分配（启用动态分配）
spark.dynamicAllocation.enabled=true
spark.dynamicAllocation.maxExecutors=16
spark.dynamicAllocation.minExecutors=1