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I am looking for a distributed file system that for some files would let me to specify on which machine(s) they are stored (during the creation time). Ideally with a Java API. Does something like this exist?

Janek
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HDFS has a block placement policy which can be plugged with a new policy. More details here.

Also, MapR implementation of Hadoop has a more robust control over data placement. More details here.

Praveen Sripati
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