Appengine Java MapReduce : Save all results in one google cloud file -


i wan't database export jobs in csv, think use mapreduce job, read datastore entity datastoreinput, in mapper, juste emit csv string current entity, , use valueprojectionreducer pass through values. cloudsqlfileoutput write 1 file each shards jobs. how export csv lines in 1 file mapreduce library ?

thanks.

set number of reducers 1. (in versions 0.5 done 1 output class.)


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