Busy lock working with: proxy_cache_lock on; Tested here: $ nginx -v nginx version: nginx/1.1.19 $ab -n 3 -c 3 http://localhost/resource/8 $ tail -f /tmp/proxy.log [24/Jul/2012:23:19:07 -0300] /resource/8 200 MISS 200 [24/Jul/2012:23:19:07 -0300] /resource/8 200 HIT - [24/Jul/2012:23:19:07 -0300] /resource/8 200 HIT - Tiago Albineli Motta http://programandosemcafeina.blogspoby timotta - Nginx Mailing List - English