Comparing FlashGrid and Amazon RDS for Oracle
FlashGrid Cluster and Amazon RDS service are two distinct solutions for running Oracle Databases on AWS cloud. Each solution has its advantages in specific scenarios. This comparison aims to provide information to help select the most appropriate solution based on customer requirements.
|
Amazon RDS |
Amazon RDS Custom |
|||
|---|---|---|---|---|
|
Key advantages |
Active-Active HA |
Active-passive HA |
Simplicity Lower administration effort |
More control Lower administration effort |
|
Solution type |
Virtual appliance hosted on EC2 instances |
Virtual appliance hosted on EC2 instances |
Database-as-a-Service |
Database-as-a-Service |
|
Who manages database and OS |
Customer (or MSP) |
Customer (or MSP) |
AWS |
Shared (AWS + Customer) |
|
High availability architecture |
Active-Active |
Active-Passive |
Active-Passive |
None (Must rely on Data Guard replication) |
|
Failover time |
Zero |
Up to several minutes |
Up to several minutes |
N/A |
|
Downtime for maintenance |
No downtime with rolling updates |
May be needed |
May be needed |
May be needed |
|
Oracle Cloud Control (OEM) |
Yes |
Yes |
Yes |
|
|
Database features |
All |
All |
||
|
Database size |
Unlimited |
Unlimited |
64 TB max |
64 TB max |
|
Storage IOPS |
Up to 400k per node |
Up to 400k |
Up to 256K |
Up to 256K |
|
Storage throughput |
Up to 12,500 MBPS per node
Scalable with the number of nodes |
Up to 12,500 |
Up to 4,000 MBPS |
Up to 4,000 MBPS |
|
CPU performance |
Scalable with number of nodes |
Limited by single EC2 instance |
Limited by single EC2 instance |
Limited by single EC2 instance |
|
Dedicated Hosts for managing Oracle licenses at physical host level instead of per-vCPU |
Yes |
Yes |
No |
No |
|
Bare-Metal instances for managing Oracle licenses per-core instead of per-vCPU |
Yes |
Yes |
No |
No |
|
Backup/restore |
Using RMAN |
Using RMAN |
Using storage snapshots |
Using storage snapshots |
|
Custom OS security hardening |
Yes |
Yes |
No |
Yes |
|
Applying Oracle one-off patches |
Yes |
Yes |
No |
Yes |
|
Database version upgrades |
Upgrade schedule 100% controlled by custome |
Upgrade schedule 100% controlled by customer |
||
|
Database versions 11.2, 12.1, 12.2, 18c |
Available |
Available |
No longer available |
Version 11.2 no longer available |
|
Billing |
By AWS (EC2 + Marketplace fees) |
By AWS (EC2 + Marketplace fees) |
By AWS |
By AWS |