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Upgrading Apigee Hybrid in a Multi-Region environment

Posted on 10-04-2021 08:37 AM
rhawley
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I am going to be updating an Apigee Hybrid 1.4.2 to Apigee Hybrid 1.5.3, on Anthos GKE-On-Prem 1.7.0.  Lower environments have upgraded successfully, but I have not seen anything in the upgrade documentation about multi-region environments.  We have two regional clusters in production, with Cassandra replicated between them.  Do I upgrade them one at a time? Do I need to stop one of the clusters while I upgrade the other?  Would appreciate any insights from others with this same setup.

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Posted on --/--/---- --:-- AM
sunilomanakutta
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Just adding to the earlier post - we did the upgrade ( GKE onPrem  + APIGEE Hybrid)  in PROD- one cluster at a time - in place- infact we had around 3-4 days between the 2 cluster(/regions) upgrade.  Most of the workloads have RollingUpgrade (especially Cassandra) configured - so you will see minimal disruption.  For  added buffer  we had traffic routed to second cluster while doing first cluster upgrade. 

Please note we also confirmed with support on the steps before upgrade. We also confirmed with support that there were no schema differences  ( for cassandra) between the versions that we upgraded (1.4.1 to 1.5.5). GKE was upgraded to 1.7.5 from 1.5.2 ( also we upgraded  ASM to 1.8.6 from 1.7.6)

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