apt-cache show packagename to see more about packages. You can read your answer in there:
$ apt-cache show gearman-server [...] Depends: perl, libgearman-client-perl, libdanga-socket-perl [...] Description-en: [...] This package contains both the Gearman server as well as the corresponding Perl bindings. $ apt-cache show gearman-job-server [...] Depends: libboost-program-options1.46.1 [...] [...] Description-en: [...] This package contains the C reimplementation of the job server daemon Homepage: http://launchpad.net/gearmand
gearman-job-server (C/C++) is an alternative to
gearman-server (Perl?), providing not all the exact same features.
The official gearman documentation suggests
Debain/Ubuntu Package If you are running Debian/sid, run apt-get install
gearman-job-server. This package may be slightly out of date due to the time it takes to propagate to the repositories.