bug fix - request no. larger than success no.

counter ++ when matching the request, or counter will miss in the try
except code
fix distance is 'nan' bug

insert into nv_basic_info
(fre_request,fre_success,max_elapse,min_elapse,avg_elapse,sum_len,service,platform,day_time)
values
(316182,310368,85649.593,0.019,44.0767751959,nan,"bus","","2013-03-31
06:53:48");
===
sum_len always equal to NAN
one statement need to be added to check if the distance is nan or not
navigation car log processing
fix nan bug
car - may be there is another performance bug here
pcmap change service name
update service name
distance module
add distance module

generate temp file: nv_distance_cache_'+datestamp+'.sql'
multiple thread + socket

can import 400% performance
add one parameter in distance_cache file

update regex for parse distance_cache file