[jira] [Created] (FLINK-8835) Fix TaskManager config keys

["Stephan Ewen (JIRA)" <ji...@apache.org>]

Stephan Ewen created FLINK-8835:
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             Summary: Fix TaskManager config keys
                 Key: FLINK-8835
                 URL: https://issues.apache.org/jira/browse/FLINK-8835
             Project: Flink
          Issue Type: Bug
          Components: TaskManager
            Reporter: Stephan Ewen
             Fix For: 1.5.0


Many new config keys in the TaskManager don't follow the proper naming scheme. We need to clear those up before the release. I would also suggest to keep the key names short, because that makes it easier for users.

When doing this cleanup pass over the config keys, I would suggest to also make some of the existing keys more hierarchical harmonize them with the common scheme in Flink.

## New Keys

* {{taskmanager.network.credit-based-flow-control.enabled}} to {{taskmanager.network.credit-model}}.

* {{taskmanager.exactly-once.blocking.data.enabled}} to {{task.checkpoint.alignment.blocking}} (we already have {{task.checkpoint.alignment.max-size}})

## Existing Keys

* {{taskmanager.debug.memory.startLogThread}} => {{taskmanager.debug.memory.log}}

* {{taskmanager.debug.memory.logIntervalMs}} => {{taskmanager.debug.memory.log-interval}}

* {{taskmanager.initial-registration-pause}} => {{taskmanager.registration.initial-backoff}}

* {{taskmanager.max-registration-pause}} => {{taskmanager.registration.max-backoff}}

* {{taskmanager.refused-registration-pause}} {{taskmanager.registration.refused-backoff}}

* {{taskmanager.maxRegistrationDuration}} ==> * {{taskmanager.registration.timeout}}




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