2011-08-05 00:34:29.781343500 1312504469.625 222.186.26.95 "POST /work/create HTTP/1.1" 502 325 z=- up=10.1.1.23:80 ms=1.349 ums=0.032 ol=- h=www.musicbrainz.org
2011-08-05 00:35:23.792036500 1312504522.945 222.186.26.95 "POST /artist/create HTTP/1.1" 502 325 z=- up=10.1.1.23:80 ms=0.449 ums=0.066 ol=- h=www.musicbrainz.org
2011-08-05 00:35:29.794096500 1312504529.506 222.186.26.95 "POST /label/create HTTP/1.1" 502 325 z=- up=10.1.1.23:80 ms=0.791 ums=0.027 ol=- h=www.musicbrainz.org
2011-08-05 00:35:36.794956500 1312504536.625 222.186.26.95 "POST /work/create HTTP/1.1" 502 325 z=- up=10.1.1.23:80 ms=0.546 ums=0.157 ol=- h=www.musicbrainz.org

Each of these are dying because the back-ends are taking 30, now 60 seconds to complete the task. Whooops. This must be a regression from the last release.