increase chunk size
increase chunk size

davidkunio/dedupe,neozhangthe1/dedupe,01-/dedupe,datamade/dedupe,tfmorris/dedupe,nmiranda/dedupe,datamade/dedupe,dedupeio/dedupe,dedupeio/dedupe,pombredanne/dedupe,davidkunio/dedupe,tfmorris/dedupe,01-/dedupe,pombredanne/dedupe,nmiranda/dedupe,neozhangthe1/dedupe