FWIW, I'm also getting 500 frequently with 'FastCGI: incomplete headers (0 bytes) received from server "/var/www/s3gw.fcgi"'. After doing `juju set ceph-radosgw use-embedded-webserver=true`(i.e. bypassing Apache + mod-fastcgi), the issue has gone.
I'm using cloud:trusty-kilo.
FWIW, I'm also getting 500 frequently with 'FastCGI: incomplete headers (0 bytes) received from server "/var/www/ s3gw.fcgi" '. After doing `juju set ceph-radosgw use-embedded- webserver= true`(i. e. bypassing Apache + mod-fastcgi), the issue has gone.
I'm using cloud:trusty-kilo.