OceanBase数据库如果2000个链接并发写入 千万数据需要多少内存才可以？

OceanBase数据库如果2000个链接并发写入 千万数据需要多少内存才可以？
* 1. row *
zone: zone1
SVR_IP: 10.43.1.170
SVR_PORT: 2882
status: ACTIVE
cpu_capacity: 30
cpu_assigned_max: 12
cpu_free: 18
memory_total_gb: 18.00
system_memory_gb: 5.00
mem_assigned_gb: 12.00
memory_free_gb: 1.00
log_disk_capacity_gb: 45.00
log_disk_assigned_gb: 16.00
log_disk_free_gb: 29.00
data_disk_gb: 1024.00
data_disk_used_gb: 2.63
data_disk_free_gb: 1021.38
* 2. row *
zone: zone4
SVR_IP: 10.43.1.173
SVR_PORT: 2882
status: ACTIVE
cpu_capacity: 30
cpu_assigned_max: 12
cpu_free: 18
memory_total_gb: 18.00
system_memory_gb: 5.00
mem_assigned_gb: 12.00
memory_free_gb: 1.00
log_disk_capacity_gb: 45.00
log_disk_assigned_gb: 16.00
log_disk_free_gb: 29.00
data_disk_gb: 1024.00
data_disk_used_gb: 2.76
data_disk_free_gb: 1021.24
* 3. row *
zone: zone2
SVR_IP: 10.43.1.171
SVR_PORT: 2882
status: ACTIVE
cpu_capacity: 30
cpu_assigned_max: 12
cpu_free: 18
memory_total_gb: 18.00
system_memory_gb: 5.00
mem_assigned_gb: 12.00
memory_free_gb: 1.00
log_disk_capacity_gb: 45.00
log_disk_assigned_gb: 16.00
log_disk_free_gb: 29.00
data_disk_gb: 1024.00
data_disk_used_gb: 2.90
data_disk_free_gb: 1021.10
* 4. row *
zone: zone5
SVR_IP: 10.43.1.174
SVR_PORT: 2882
status: ACTIVE
cpu_capacity: 30
cpu_assigned_max: 12
cpu_free: 18
memory_total_gb: 18.00
system_memory_gb: 5.00
mem_assigned_gb: 12.00
memory_free_gb: 1.00
log_disk_capacity_gb: 45.00
log_disk_assigned_gb: 16.00
log_disk_free_gb: 29.00
data_disk_gb: 1024.00
data_disk_used_gb: 2.88
data_disk_free_gb: 1021.12
* 5. row *
zone: zone3
SVR_IP: 10.43.1.172
SVR_PORT: 2882
status: ACTIVE
cpu_capacity: 30
cpu_assigned_max: 12
cpu_free: 18
memory_total_gb: 18.00
system_memory_gb: 5.00
mem_assigned_gb: 12.00
memory_free_gb: 1.00
log_disk_capacity_gb: 45.00
log_disk_assigned_gb: 16.00
log_disk_free_gb: 29.00
data_disk_gb: 1024.00
data_disk_used_gb: 2.89
data_disk_free_gb: 1021.11
5 rows in set (0.030 sec)