Hi ,
Query 1: Recently we upgraded Anthos BM from 1.15 to 1.16 in one of our environment, and found there is delay in upgrading nodes, when logs of pod are checked its observed that, images pulling taking 40-50 mins, which ideally should not happen, so to avoid this what can be the best possible way to avoid pulling images from internet, if we want to get it from local, where do we store it and how upgrade process fetches those images. Please explain
Query 2: To follow BLUE-GREEN approach while Anthos upgrade, what are the steps without having additional infra? please explain, also the best possible upgrade process with ZERO downtime and no impact on application.
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