Hi ajs6f,

good suggestion, thank you. For the moment, I don't think that writing in a single file sequentially is going to be the slowest part, but I'll see how it goes.

Marco

On 26/11/2017 15:56, ajs6f wrote:
I had a similar task a while ago: I did wrap the StreamRDF in a wrapper that 
synchronized the relevant methods, and that worked fine. Then I tried using 
several independent output files, one for each thread, and performance improved 
enormously.

Keep in mind that if you use NTriples or Trig, merging two files (for later 
processing) is just concatenating them.

ajs6f



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