At some point, there will be a system change significant enough that a maintenance window needs to be scheduled with customers. But that doesn’t mean the end-user traffic or client integrations will stop requesting the services. What we need to present to end-users is a maintenance page during this outage to indicate the overall solution … GCP: Cloud Run/Function to handle requests to GKE cluster during maintenance
At some point you may need to schedule a maintenance window for your solution But that doesn’t mean the end-user traffic or client integrations will stop requesting the services from the GCP external HTTPS LB that fronts all client requests. The VM instances and GKE clusters that normally respond to requests may not be able … GCP: Cloud Function to handle requests to HTTPS LB during maintenance
For most Cloud Foundry applications and services, you can avoid downtime for maintenance with a combination of following best practices for 12 factor app development and taking advantage of Cloud Foundry’s scaling and flexible routing to implement Blue-Green deployment. But there will still be times where an application, service, or shared backend component does not … CloudFoundry: Beyond the maintenance page, delivering a response during service unavailability
Before virtualization, there was a stronger argument for using a swap partition instead of a swap file for servers. A fragmented swap file could lead to performance issues that a statically sized and placed partition did not have consider. But once virtualization comes into play, unless you go to great lengths to segment your storage … Ubuntu: Using a swap file instead of swap partition for virtualized server VMs