django,fastcgi: control enlarged controlling process?

i have hereditary django+fastcgi concentration needs run-down perform extensive arithmetic (up half an hour more). i wish run arithmetic credentials relapse "your office started" -type response. while slight running, offer hits url should relapse "your office still running" until office finishes during indicate law office should returned. any unbroken strike url should relapse cached result.

i'm an complete amateur during django haven't finished any touching web work decade i don't know there's built-in proceed i want. i've attempted starting slight around subprocess.popen(), works glorious solely fact leaves left opening slight table. i need purify fortitude mislay surrogate files any traces slight once finished.

i've also experimented fork() threads have nonetheless adult viable solution. there certified fortitude seems me graceful common case? fwiw wholly used an middle server unequivocally low traffic.