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Add Parquet Format to Store Nomalized Data #131
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Parquet format data is added into Shifu 0.2.7 branch. |
If norm by parquet format ('isParquet'=true) but train as non parquet('isParquet'=false). Exception will be throw in trainning step, please be aware that should be consistent. |
I wouldn't close this ticket now as I need to do several refactor work |
Although is is faster to read parquet data in training process(not too much if drop 5% variables), but more time spent on norm step. Done in develop-0.2.7 Close this issue but need further improve speed in norm |
In Shifu, nomarlied data needs some space to store. To save space and improve performance, try ParquetStorer and ParquetInputFormat in normalize.pig and trianing input.
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