UbuntuHelp:UEC/SystemRequirementsSeparate
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The following are recommendations, rather than fixed requirements. However, our experience in developing this documentation indicated the following suggestions.
目录
Cloud Controller (CLC)
Hardware | Minimum | Suggested | Notes |
CPU | 1GHz | 2 x 2GHz | For your cloud to scale it helps to have at least a dual core processor |
Memory | 512MB | 2GB | the Java web front end benefits from lots of available memory |
Disk | 5400rpm IDE | 5400rpm SATA | |
Disk Space | 40GB | 40GB | |
Networking | 100Mbps | 1000Mbps | Cloud controller may be subject to heavy traffic on a busy cloud setup |
Walrus Controller (WS3)
Hardware | Minimum | Suggested | Notes |
CPU | 1GHz | 2 x 2GHz | For your cloud to scale it helps to have at least a dual core processor |
Memory | 512MB | 2GB | File serving benefits from the presence of memory for caching |
Disk | 5400rpm IDE | 10000rpm SATA | File serving benefits from fast disk access |
Disk Space | 40GB | 1TB | Disk space will condition image storage as well as user data |
Networking | 100Mbps | 1000Mbps | Walrus may be subject to heavy traffic on a busy cloud setup and image needs to be copied over the network to NC at startup: faster network will mean faster initial instanciation time |
Cluster + Storage Controllers (CC + EBS)
Hardware | Minimum | Suggested | Notes |
CPU | 1GHz | 2 x 2GHz | For your cloud to scale it helps to have at least a dual core processor |
Memory | 512MB | 2GB | Block storage serving benefits from the presence of memory for caching |
Disk | 5400rpm IDE | 10000rpm SATA | Block storage serving benefits from fast disk access |
Disk Space | 40GB | 1TB | Disk space will condition block stora capacity |
2 Network interfaces | 100Mbps | 1000Mbps | Cluster will be subject to heavy traffic on a busy cloud setup as it will act as a router for all instances started on NC it Controls and will provide block storage (if needed) to them |
Node(s) (NC)
The other system(s) are nodes, which will run the node controller (NC) These systems will actually run the instances. You will need one or more systems with:
Hardware | Minimum | Suggested | Notes |
CPU | VT extensions | VT, 64-bit, Multicore | 64-bit can run both i386, and amd64 instances; by default, Eucalyptus will only run 1 VM per CPU core on a Node |
Memory | 1GB | 4GB | additional memory means more, and larger guests |
Disk | 5400rpm IDE | 7200rpm SATA or SCSI | Eucalyptus nodes are disk-intensive; I/O wait will likely be the performance bottleneck |
Disk Space | 40GB | 100GB | images will be cached locally, Eucalyptus does not like to run out of disk space |
Networking | 100Mbps | 1000Mbps | machine images are hundreds of MB, and need to be copied over the network to nodes |