[jira] [Created] (FLINK-33770) Autoscaler logs are full of deprecated key warnings

["Maximilian Michels (Jira)" <ji...@apache.org>]

Maximilian Michels created FLINK-33770:
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             Summary: Autoscaler logs are full of deprecated key warnings
                 Key: FLINK-33770
                 URL: https://issues.apache.org/jira/browse/FLINK-33770
             Project: Flink
          Issue Type: Bug
          Components: Autoscaler, Kubernetes Operator
    Affects Versions: kubernetes-operator-1.7.0
            Reporter: Maximilian Michels
            Assignee: Maximilian Michels
             Fix For: kubernetes-operator-1.8.0


We moved all autoscaler configuration from {{kubernetes.operator.job.autoscaler.*}} to {{job.autoscaler.*}}. 

With the latest release, the logs are full with logs like this:

{noformat}
level:  WARN 
logger:  org.apache.flink.configuration.Configuration 
message:  Config uses deprecated configuration key 'kubernetes.operator.job.autoscaler.target.utilization' instead of proper key 'job.autoscaler.target.utilization' 
{noformat}

The reason is that the configuration is loaded for every reconciliation.

This configuration is already widely adopted across hundreds of pipelines. I propose to remove the deprecation from the config keys and make them "fallback" keys instead which removes the deprecation warning.



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