oceanbase express查看集群总览,为什么observer的磁盘大小只有8G

这里代表的数据目录的大小,可以用SQL查一下,其中的data_disk_gb

select a.zone,
         a.SVR_IP,
         a.SVR_PORT,
         b.status,
         cpu_capacity,
         cpu_assigned_max,
         cpu_capacity-cpu_assigned_max as cpu_free,
         round((memory_limit-mem_capacity)/1024/1024/1024,2) as system_memory_gb,
         round(mem_capacity/1024/1024/1024,2) as mem_capacity_gb,
         round(mem_assigned/1024/1024/1024,2) as mem_assigned_gb,
         round((mem_capacity-mem_assigned)/1024/1024/1024,2) as memory_free_gb,
         round(log_disk_capacity/1024/1024/1024,2) as log_disk_capacity_gb,
         round(log_disk_assigned/1024/1024/1024,2) as log_disk_assigned_gb,
         round((log_disk_capacity-log_disk_assigned)/1024/1024/1024,2) as log_disk_free_gb,
         round((data_disk_capacity/1024/1024/1024),2) as data_disk_gb,
         round((data_disk_in_use/1024/1024/1024),2) as data_disk_used_gb,
         round((data_disk_capacity-data_disk_in_use)/1024/1024/1024,2) as data_disk_free_gb
from gv$ob_servers a
join oceanbase.DBA_OB_SERVERS b
    on a.zone=b.zone\G