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.
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Amazon RDS |
Amazon RDS Custom |
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|---|---|---|---|---|
|
Key advantages |
Active-Active HA |
Active-passive HA |
Simplicity Lower administration effort |
More control Lower administration effort |
|
Solution type |
Open virtual appliance hosted on EC2 instances |
Open 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 |
|
Database features |
Yes |
Yes |
Yes |
|
|
Database size |
All |
All |
||
|
Storage IOPS |
Unlimited |
Unlimited |
256 TB max |
64 TB max |
|
Storage throughput |
Up to 1440k per node |
Up to 1440k |
Up to 256K |
Up to 256K |
|
CPU performance |
Up to 37,500 MBPS per node |
Up to 37,500 MBPS |
Up to 16,000 MBPS |
Up to 4,000 MBPS |
|
Dedicated Hosts for managing Oracle licenses at physical host level instead of per-vCPU |
Scalable with number of nodes |
Limited by single EC2 instance |
Limited by single EC2 instance |
Limited by single EC2 instance |
|
Bare-Metal instances for managing Oracle licenses per-core instead of per-vCPU |
Yes |
Yes |
No |
No |
|
Backup/restore |
Yes |
Yes |
No |
No |
|
Custom OS security hardening |
Using RMAN |
Using RMAN |
Using storage snapshots |
Using storage snapshots |
|
Applying Oracle one-off patches |
Yes |
Yes |
No |
Yes |
|
Database version upgrades |
Yes |
Yes |
No |
Yes |
|
Database versions 11.2, 12.1, 12.2 |
Upgrade schedule 100% controlled by custome |
Upgrade schedule 100% controlled by customer |
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|
Billing |
Available |
Available |
No longer available |
Version 11.2 no longer available |
|
By AWS (EC2 + Marketplace fees) |
By AWS (EC2 + Marketplace fees) |
By AWS |
By AWS |