How can logs from multiple replicas in Google Kubernetes Engine be accessed easily?

To efficiently access logs from multiple replicas in Google Kubernetes Engine (GKE), utilizing the kubectl logs command for all replicas is particularly effective. This command allows you to retrieve logs from the pods of your application directly from the Kubernetes cluster, making it straightforward to access logs without having to log into each individual replica.

When you specify the logs command with the appropriate flags, you can pull logs from the relevant pods based on their labels, identifiers, or specific namespaces. This is beneficial because applications typically run in multiple instances (replicas) for load balancing and reliability, and the kubectl logs command can facilitate viewing logs collectively instead of navigating through each pod separately.

This command works well for troubleshooting and monitoring by allowing you to retrieve logs seamlessly, especially when you have many replicas running. It removes the need for more cumbersome methods that might require additional steps or manual processes to gather logs from each individual pod.

In contrast, while aggregating logs in Cloud Logging provides a centralized location for logs from all services, it may require additional setup and configuration to enable log collection and transfer to Cloud Logging, which might not be as immediate as using kubectl directly. The other methods, such as SSHing into individual nodes or running individual kubectl commands for each pod, are