Same as estimateReducers, except doesn't round or ceil the result.
Same as estimateReducers, except doesn't round or ceil the result. This is useful for composing with other estimation strategies that don't want to lose the fractional number of reducers. Especially helpful for when less than 1 reducer is needed, but this fraction will be multiplied by a scaling factor later.
Get the target bytes/reducer from the JobConf.
Get the target bytes/reducer from the JobConf.
Supported formats are long
or human readable format.
For human readable format you can use the following suffix (case insensitive):
k(kilo), m(mega), g(giga), t(tera), p(peta), e(exa).
Examples: 1024, 128m, 1g.