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Re: Rolling pod evacuation



Sorry, just reread the thread. In that case you would use a PDB but normal users cannot use them in 3.5 and 3.6 yet... But even PDB can't help you today if you run a single pod. I think those deployments will block evacuation and that may be a reason why we didn't enable them for users initially.

On Fri, Apr 21, 2017 at 9:27 AM, Marko Lukša <marko luksa gmail com> wrote:

He isn't performing a rolling upgrade; he just wants to drain a node one pod at a time.


On 21. 04. 2017 09:18, Michail Kargakis wrote:
If you used those settings and it wasn't honoured then it's a bug.

On Fri, Apr 21, 2017 at 1:38 AM, Andrew Lau <andrew andrewklau com> wrote:
I didn't think this was honoured as it just deletes the pods?

On Thu, 20 Apr 2017 at 18:43 Michail Kargakis <mkargaki redhat com> wrote:
If you want to scale up first and wait for the new pod to come up before deleting the old use maxSurge=1, maxUnavailable=0

On Thu, Apr 20, 2017 at 10:11 AM, Andrew Lau <andrew andrewklau com> wrote:
Is there any way to evacuate a node using the rolling deployment process where a the new pod can start up first before being deleted from the current node?

Drain seems to only delete the pod straight away. If there is a grace period set, it would be nice if the new pod could atleast have its image pulled into a new node first before being deleted from the drained more.

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