[MAPREDUCE-849] Renaming of configuration property names in mapreduce - ASF JIRA

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Hadoop Flags:

Incompatible change, Reviewed
Release Note:

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Rename and categorize configuration keys into - cluster, jobtracker, tasktracker, job, client. Constants are defined for all keys in java and code is changed to use constants instead of direct strings. All old keys are deprecated except of examples and tests. The change is incompatible because support for old keys is not provided for config keys in examples.

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Rename and categorize configuration keys into - cluster, jobtracker, tasktracker, job, client. Constants are defined for all keys in java and code is changed to use constants instead of direct strings. All old keys are deprecated except of examples and tests. The change is incompatible because support for old keys is not provided for config keys in examples.

In-line with ~~HDFS-531~~, property names in configuration files should be standardized in MAPREDUCE.

is blocked by

HADOOP-6199 Add the documentation for io.map.index.skip in core-default

HADOOP-6105 Provide a way to automatically handle backward compatibility of deprecated keys

is related to

HDFS-531 Renaming of configuration keys