Linux File Descriptor Limits: When 1024 Isn't Enough
·
Updated:
The 1024 file descriptor limit stops servers under load. What fds are, soft vs hard limits, how to raise them properly, and how to diagnose exhaustion.
Tag: performance
All the articles with the tag "performance".
Understanding and Optimizing Docker’s daemon.json File
daemon.json controls how the Docker daemon behaves, logging drivers, storage drivers, registry mirrors, and the options worth tuning.
Optimizing Ansible for Faster Playbook Execution
·
Updated:
Speed up Ansible playbooks with pipelining, forks, fact caching, and async tasks, stop watching the spinning wheel on every play.
Understanding and Optimizing Performance in Proxmox VE
Squeeze more out of Proxmox VE, CPU pinning, memory ballooning, IO threads, virtio drivers, and storage tuning for faster VMs.
Adding Extra Swap to Linux
·
Updated:
Out of RAM and no time to reimage? Add swap via a file on any partition using mkswap, swapon, and fstab, done in under 5 minutes.