Github user LosD commented on the issue:
https://github.com/apache/metamodel/pull/136
Tested using DataCleaner. Seems to work fine, and reasonably performant; ~6
seconds to do value distribution on 100K records (value distribution run on two
columns)... The test set I used is available here:
http://ikeptwalking.com/elasticsearch-sample-data/
One thing I didn't test in depth (since I don't know the dataset) was the
correctness of the data retrieved. However, _id keys were unique, so I'm pretty
that there's at least no problems with getting same data twice.
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