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Hi John, > perhaps we should have 3 modes of chunking, that the user can choose: > > 1) preseve the record oriented nature of our current unlimited > dimension to optimize sequential reading of the array. What does this mean? > 2) choose an optimal chunk size (some small multiple of disk block > size: 8K, 16K, 32K?) and subdivide the dimensions evenly to optimize > over all types of subsetting. This is similar to the heuristic I suggested to Ed. > 3) full user spec of chunk size and chunk dimension size. Always possible. Quincey