lizardfs/lizardfs — pull request #225 by onlyjob (2014-12-14 10:45:37+00:00)
Title: chunkserver: dismiss cache after closing chunk (Closes: #212):

Dramaticaly reduce cache pressure by using POSIX_FADV_DONTNEED
to advise OS to dismiss cached chunk after when it is closed.

Signed-off-by: Dmitry Smirnov