to compile:
make -f /usr/share/selinux/devel/Makefile
to install:
semodule -i mod_cluster.pp
to remove:
semodule  -r mod_cluster

for the listen and the advertise:
to add:
  semanage port -a -t http_port_t -p udp 23364
  semanage port -a -t http_port_t -p tcp 6666
to remove
  semanage port -d -t http_port_t -p udp 23364
  semanage port -d -t http_port_t -p tcp 6666

for the shared memory tables:
MemManagerFile /var/cache/mod_cluster
mkdir /var/cache/mod_cluster
chcon -v --type=httpd_cache_t /var/cache/mod_cluster
chcon -v --user=system_u /var/cache/mod_cluster

Note that the permissions should follow the notice you find in error_log:
+++
[Wed Jun 13 09:35:59 2012] [notice] SELinux policy enabled; httpd running as context unconfined_u:system_r:httpd_t:s0
+++
