DevOps #2 What is Rolling Updates or Deployment | Incremental node updates on multi node environment
Rolling updates are
done for Multi node
environment. Here
each node will
be taken out, upgraded,
smoke tested and
then redeployed.
Process repeated until
all nodes are upgraded
individually
Pros:
Incremental,
zero downtime
incremental
deployement
Cons:
unpredictable
behavior
may be noticed
due to each node
level updates