功能
INFORMATION_SCHEMA.META_CLUSTER_STATUS用于展示 MC 系统状态，目前包括内部任务执行总览，例如：任务总数量、失败比例等。字段说明
字段名 | 类型 | 描述 |
Variable_name | varchar(64) | 系统指标变量名 |
Value | varchar(64) | 系统指标变量值 |
示例
tdsql > SELECT * FROM information_schema.meta_cluster_status;+------------------------------------------------------+----------+| Variable_name | Value |+------------------------------------------------------+----------+| rg_job_type_cal_split_key_in_rg_total | 13 || rg_job_type_cal_split_key_in_rg_failed | 0 || rg_job_type_cal_split_key_in_rg_failure_ratio | 0.000000 || rg_job_type_create_region_in_rg_total | 820 || rg_job_type_create_region_in_rg_failed | 4 |...+------------------------------------------------------+----------+54 rows in set (0.06 sec)
