1:
show variables like '%ANALYZE%' 显示无相关变量及配置。
show variables like '%ANALYZE%'
2:
SELECT job_info,state,start_time FROM information_schema.ANALYZE_STATUS LIMIT 500;查询结果，都是finished的job
SELECT job_info,state,start_time FROM information_schema.ANALYZE_STATUS LIMIT 500;
3：热力图
