If NMT rest_translation_server supports concurrent access

[liluhao1982]

Hi,

First, thanks for your great work for NMT.

I want to know if NMT rest_translation_server supports concurrent access, I sent ~300 requests at one time, but not all of them can return value.

My deployment command:

th tools/rest_translation_server.lua -joiner_annotate -port 4031 -model /MT-work/Test_en-US_es-MX_epoch13_7.99_release.t7 -gpuid 1 -replace_unk -withAttn

502 error detail:

504 error detail:

Any suggestion is welcome.