I am trying to add a Unique row identifier to a large data set that is loaded into memory in the LASR server that is distributed over 32 nodes. When i use _N_ it counts the rows as it sees them in each thread but the end result is a non-unique row number. Also it doesn't seem like _ThreadID_ is a valid variable in LASR server data steps like it is in CAS. current program: Data mylasr.out; set mylasr.in; rownum=_N_; run; I searched and couldn't find this info anywhere... thoughts?
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