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log.cleaner.enable will be deprecated and eventually, it will be removed from the configuration. Going forward if log.cleanup.policy is set to compact then cleaner will be enabled implicitly.

Till the time this deprecated property will be there, if log.cleaner.enable config is set then its value will be considered while enabling compactor.

Following old configuration will be deprecated and new renamed configuration will be introduced. 

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0. Default value of the new config will be same as the deprecated config
1. If both deprecated and new config values are specified, log a WARN entry will be emitted and the new config value will be chosen.
2. If only one of them is specified, its value will be chosen.
3. If none of them are specified, then the default value, which should be the same, will be used.Apart from the configuration changes mentioned above, following Classes will be renamed.
Also, all variables, methods and documentation in the classes will be updated to reflect the new name changes.  All related test-cases will be renamed as well.

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Compatibility, Deprecation, and Migration Plan

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