Comment 0 for bug 459256

Binary package hint: couchdb

it caused HTTP 500 and couchdb described it as
{"error":"error","reason":"system_limit"}
{couch_httpd_db,do_db_req,2},
             {couch_httpd,handle_request,5},
             {mochiweb_http,headers,5},
             {proc_lib,init_p_do_apply,3}

Happened 13 times in a few hours.