Adobe Media Server installs on 32-bit and 64-bit operating systems. The 64-bit server uses addressable memory space greater than 4GB. This enables Adobe Media Server to use a larger file cache which in turn reduces disk IO.
To deploy 64-bit servers, know the following:
You can use any combination of 64-bit and 32-bit edge and origin servers in a network topology.
To serve on-demand media at the highest possible performance, increase the size of the recoded media cache.
If you have created custom C++ plug-ins for a 32-bit system, they do not work with a 64-bit system. To use 32-bit plug-ins on a 64-bit server, recompile the plug-in with the 64-bit libraries.