HandyTu

i want to run the matrix_factorization example ,but return errors

5

[tuhangdi@localhost paracel-master]$ /usr/local/prun.py -p 1 -w 1 -c cfg.json -m local /usr/local/bin/wc terminate called after throwing an instance of 'boost::exception_detail::clone_impl' what(): No such node (topk) [localhost:11886] *** Process received signal...

how does the paracel solve the 'last-reducer' problem of iterative tasks？

1

could you tell me the position of code in paracel about this problem