question about "MrdbDistrbutionLimit" of profilest

[namisbis]

i am using p.f analyze one porject's data for profiling.
one column contains 69,781 unique values(distribution domainvalue shld also be 69,781?), while after column analysis, all the related reports keep saying only 32,000 distribution/unique/disntinct/cardinality values found for this column though it read all the source data of 89661rows.

i finally find some clue in the log file, one line mentioned:
---------- 2/2 18:13:32 -- ELAPSED: 11.333 min wall, 9.047 min cpu ----------
Stored 32000 rows into PSDB as full distribution for column 'EQPNO' (Id 1703).
Cardinality is 32000; MrdbDistrbutionLimit is '32000'.
"
i suspect the MrdbDistrbutionLimit casue the problem though all the p.f related documents i can find never tell there's such limit.

is there anyone knows whether the software has such limit and if it is true to cause abv mentioned problem? More important, how to solve it?

deem it is very successful tool in profiling, and i wld prefer to deem it be me not properly use it...

franky struglling with profilestage...