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https://issues.apache.org/jira/browse/MAPREDUCE-5245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijie Shen updated MAPREDUCE-5245:
-----------------------------------
Attachment: MAPREDUCE-5245.1.patch
Add the variables back. Since MAPRED_JOB_MAP_MEMORY_MB_PROPERTY and
MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY are changed to new values in M/R 2.x.
Therefore, the incompatible changes are introduced. The existing
MAPRED_JOB_MAP_MEMORY_MB_PROPERTY and MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY are
replaced with MAPREDUCE_JOB_MAP_MEMORY_MB_PROPERTY and
MAPREDUCE_JOB_REDUCE_MEMORY_MB_PROPERTY, and MAPRED_JOB_MAP_MEMORY_MB_PROPERTY
and MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY are then set to old property names
used by M/R 1.x.
In addition, set/getMemoryForMapTask() and set/getMemoryForReduceTask()
write/read both old and new property names.
> A number of public static variables are removed from JobConf
> ------------------------------------------------------------
>
> Key: MAPREDUCE-5245
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5245
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Reporter: Zhijie Shen
> Assignee: Zhijie Shen
> Attachments: MAPREDUCE-5245.1.patch
>
>
> A number of public static variables are removed from JobConf:
> boolean DEFAULT_MAPREDUCE_RECOVER_JOB
> String MAPREDUCE_RECOVER_JOB
> String WORKFLOW_ADJACENCY_PREFIX_PATTERN
> String WORKFLOW_ADJACENCY_PREFIX_STRING
> String WORKFLOW_ID
> String WORKFLOW_NAME
> String WORKFLOW_NODE_NAME
> String WORKFLOW_TAGS
> The workflow related variables are moved to MRJobConfig.
> The follwing public static variables becomes default:
> String MAPRED_JOB_MAP_MEMORY_MB_PROPERTY
> String MAPRED_JOB_REDUCE_MEMORY_MB_PROPERTY
> The variables there are no longer referred internally in 2.x, but they might
> be used by users as they were public.
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