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# pulumi-kubernetes-operator
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bitter-carpenter-93554

09/19/2022, 9:53 PM
Does pulumi operator support high availability ? Is it safe to increase replica set to 3?
s

sparse-park-68967

09/20/2022, 4:52 PM
Yeah you can but the others will just be hot spares (will compete for a lock).
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bitter-carpenter-93554

09/20/2022, 5:08 PM
hot spares like standby? so, just one pod process traffic ? and standby come into game when we loose main pod?
could you clarify regarding compete for a lock?
e

eager-football-6317

09/29/2022, 9:27 AM
There’s a lease object created with the Kubernetes API, and all replicas race to obtain the lease and become the leader; when the leader terminates, the lease becomes available again.
Replicas that don’t hold the lease just sit and wait until it becomes available.
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bitter-carpenter-93554

10/04/2022, 7:26 PM
got it. Thank you @eager-football-6317
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