Parameter that actually controls the number of reduce tasks.
Parameter that actually controls the number of reduce tasks. Be sure to set this in the JobConf for the *step* not the flow.
Parameter that can be used to determine behavior on the rhs of a hashJoin.
Parameter that can be used to determine behavior on the rhs of a hashJoin. If true, we try to guess when to auto force to disk before a hashJoin else (the default) we don't try to infer this and the behavior can be dictated by the user manually calling forceToDisk on the rhs or not as they wish.
Manual description for use in .dot and MR step names set using a withDescription
.
Whether estimator should override manually-specified reducers.
Name of parameter to specify which class to use as the default estimator.
Whether the number of reducers has been set explicitly using a withReducers
Merge Config.default with Hadoop config from the mode (if in Hadoop mode)
Either union these two, or return the keys that overlap
This overwrites any keys in m that exist in config.
Returns all the non-string keys on the left, the string keys/values on the right