Facebook's Flashcache For The Linux Kernel
Sep 29, 2011, 06:00 (0 Talkback[s])
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"One of their open-source projects they made public last year
for increasing their database performance was Flashcache.
Flashcache is a kernel module that provides a block cache for Linux
with various caching modes.
Flashcache can provide a simple persistent block cache to
accelerate readers and writes from slower rotational media while
caching the data on solid-state storage. Facebook originally
designed this module to accelerate their MySQL database workloads,
but it's a generic caching module for any disk-heavy workload.