libcache-fastmmap-perl software package provides Perl module providing a mmaped cache, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libcache-fastmmap-perl
libcache-fastmmap-perl is installed in your system.
Make ensure the libcache-fastmmap-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libcache-fastmmap-perl *
You will get with libcache-fastmmap-perl package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Perl |
| Package | libcache-fastmmap-perl |
| Version | 1.40-2+b4 [s390x], 1.40-2+b2 [ |
| Description | Perl module providing a mmaped cache |
| Sub Section | Perl |