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  1. What would happen if a file I store in HDFS is 5GB but there are only 3 DataNodes 1GB each?

  2. Lets say I store a file 3GB in HDFS having 4 DataNodes 1GB each. After processing I have some results.txt. What will happen to processed file blocks which are stored in DataNodes? Because if I want to store another 3GB file to process then there won't be enough space for it? Or maybe those blocks get deleted after processing? Should I deleted it myself?

Eduardo Yáñez Parareda
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SliceOfPig
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