perl-IPC-SharedCache

This module provides a shared memory cache accessed as a tied hash. Shared memory is an area of memory that is available to all processes. It is accessed by choosing a key, the ipc_key argument to tie. Every process that accesses shared memory with the same key gets access to the same region of memory. In some ways it resembles a file system, but it is not hierarchical and it is resident in memory. This makes it harder to use than a filesystem but much faster. The data in shared memory persists until the machine is rebooted or it is explicitly deleted.

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