7 ms·
How do you deal with the few minutes of downtime when you do kernel/OS/software upgrades?
by da02 4mo ago
How do you deal with the few minutes of downtime when you do kernel/OS/software upgrades?
- juahan 4mo agoI’m pretty sure for most systems that does not matter in the slightest.
- tekla 4mo agoHow is this an issue in a world where load balancers exist? I was part of a Unicorn that ran prod on 8 boxes and literally never had customer facing outages due to infrastructure updates.
- da02 4mo agoWhat was the most stressful part of that job?
- rglover 4mo agoDepending on the deployment and any SLAs, I either don't worry about it (just do a late night rollout when nobody is on the system) or rely on my deployment architecture's sibling checks (I can see when a given machine is still versioning and requeue subsequent rollouts to other machines).
- andoando 4mo agoYou spin up a second host and load balance
- BirAdam 4mo agoYou put nginx or Haproxy in front of the hosts, drop the one that needs maint from the pool, and re-add once it’s ready.