tokens: Each logwriter should be it 's own thread , not each log , and you only need one logger as all it is is a short hand to place things in your logwriter 's queues from anywhere in your app .
ner_tags: O B-Class O O O O O O O O O B-File_Type O O O O O O B-Application O O O O O O O O O O O O O B-Class O B-Data_Structure O O O O O O