parkour.io.sample documentation

dseq
(dseq step)(dseq options step)
Distributed sequence which samples from distributed sequence `step`, as
optionally configured by the map `options`.  Available options are:
  `:size` -- Sample split size (default 131072);
  `:splits` -- Number of splits to sample (default 5);
  `:seed` -- Seed for random sampling process (default 1).
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