how to resolve slow running stored producer ?

Hi All,

I have faced issue regarding stored procedure.

actually  my application team ran the stored procedure regular basics (contain some inserts)  ,,every day it take 20 mins for executing but today it's tacking the more than 2 hours (still it's running) . 

i have checked the which they are inserting and ran the updated statics also,i have checked  and fixed the table fragmentation and indexes related issues but still it's tacking the logtime for executing .

what is the recompile ?

how to resolve the slow running stored procedure?

Please post the your valuable ANS ASAP.

Thanks in Advance. 

RAM