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Google Cloud Functions Google Professional Data Engineer GCP

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GCP offers services from IaaS to SaaS

 

Google Compute Engine (Virtual Machines)

  • Run applications as App Engine/Container Engine/ Cloud Functions.
  • Support for Linux and Windows VMs with Google maintained or custom machine images

 

Networking

  • Software defined management of network resources
  • Unrelated subnets in a private networks which can communicate as per defined policy
  • List firewall rules based on iptables style IP ranges or tags assigned to network resources.
  • All network objects are global, hence any VM is able to communicate if on same private network.

 

Storage

  • Multiple storage options offered as per requirement
  • Persistent Disks – block storage for VMs and has option of HDD or SSD. Disks are independent of the VM and can attach to multiple VMs simultaneously.
  • Cloud storage – Object store to store blobs and is stored in a bucket. Bucket is versioned, replicated and shared.
    • Offers many storage classes: regional, multi-regional, nearline, and coldline.
    • Multi-regional storage buckets are geographically redundant automatically
    • Nearline and coldline storage buckets are for performance boost
  • Database solutions
    • Relational data solution – Cloud SQL ((MySQL or Postgres instance) and Cloud Spanner.
    • NoSQL solutions offered – Datastore and Bigtable.
  • Scaling and High-Availability implemented by more instances of the service (horizontal scaling), or increasing the compute/storage resources (vertical scaling )

 

Instance Groups

  • It bundles VMs for easy management and load-balancing
  • Load Balancers – To detect unhealthy or absent VMs and direct customer traffic to a healthy instance without intervention.
  • Auto-Scaling – Automatic scaling as per defined metric, like CPU usage / connections. It deletes VMs when workload decreases
  • Automated Infrastructure – Easy software based management with REST API for provisioning, maintenance, and monitoring.
  • Deployment Manager – Defines infrastructure in template files. Offers versioning and documentation.

 

 

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