Assorted links for Monday, December 2:

1. Cloud Neutral Postgres Databases with Kubernetes and CloudNativePG
2. Observe Simplifies K8s Troubleshooting With Kubernetes Explorer
3. Platform Engineering: A Workshop to Help Map Your Strategy
4. Revisiting the DOS memory models
5. Linux Kernel Performance Bottlenecks Spotted By Mold Developer

   The key takeaways of the performance bottlenecks within the Linux kernel that were noticed by Rui Ueyama include:

   • exit(2) takes a few hundred milliseconds for a large process
   • Writing to a fresh file is slower than writing to an existing file
   • Lack of a safe system-wide semaphore