[Enhancement]: Tenant Memory Specification and Tablet Count per Observer Exceeding 90% in Health Check

[askdb]

Description

Tenant Memory Specification and Tablet Count per Observer Exceeding 90% in Health Check

The following information is for reference purposes only：

Tenant Memory Specification:
select MEMORY_SIZE/1024/1024/1024 from gv$ob_units where tenant_id=xxx;

https://www.oceanbase.com/docs/common-oceanbase-database-cn-1000000002012648