Okay, I think I found an answer on my question. Some models (for instance org.apache.spark.mllib.recommendation.MatrixFactorizationModel) hold RDDs, so just serializing these objects will not work.
-- Oleksiy Dyagilev On Tue, Jul 12, 2016 at 5:40 PM, aka.fe2s <aka.f...@gmail.com> wrote: > What is the reason Spark has an individual implementations of read/write > routines for every model in mllib and ml? (Saveable and MLWritable trait > impls) > > Wouldn't a generic implementation via Java serialization mechanism work? I > would like to use it to store the models to a custom storage. > > -- > Oleksiy >
