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💻 OCI Journey – Part 3: Compute Services in Oracle Cloud Infrastructure
- Oracle Cloud Infrastructure (OCI) Compute Services provide a range of virtual machines, bare metal servers, and dedicated hosts.
- Key concepts in OCI Compute include Virtual Machines, Bare Metal Instances, and Dedicated Hosts.
- Factors to consider in OCI Compute are scalability, performance requirements, cost-efficiency, and image & shape selection.
- OCI offers flexible shapes allowing dynamic definition of compute resources like OCPUs and Memory.
- OCI is the only cloud provider offering AMD-based, Intel-based, and Ampere ARM-based CPUs.
- OCI's pricing model is pay-as-you-go and claims to be 50% cheaper than other providers; features Preemptible VMs for cost savings.
- OCI supports live migration of VMs across hosts during hardware maintenance without downtime.
- To launch an instance in OCI, create a VCN and subnet, launch a VM, assign it to a subnet, and optionally assign a Public IP.
- Scaling in OCI can be done vertically by increasing OCPUs or memory, involving some downtime, or horizontally by adding/removing instances for better resilience.
- OCI offers Oracle Kubernetes Engine (OKE) for managed Kubernetes service with options for different cluster and node types.
- OCI Container Instances allow running containers serverlessly, ideal for short-running apps and microservices.
- Serverless Compute with Oracle Functions is based on a Function-as-a-Service model integrated with OCI events and services.
- OCI Compute provides flexibility and cost-efficiency for various workloads, offering VMs, Bare Metal, or Dedicated Hosts, flexible shapes, Kubernetes, Container Instances, and Oracle Functions.
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