Comment 6 for bug 1333294

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oiiio (oiiio) wrote :

for a work around see post by Volker Siegel Aug 3 '14 at 22:40 in
http://unix.stackexchange.com/questions/17936/setting-proc-sys-vm-drop-caches-to-clear-cache :

$ sync
$ echo 3 | sudo tee /proc/sys/vm/drop_caches

brings HDD write speed up again. I'm running 16.04 LTS; 4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:15 UTC 2016 i686 i686 i686 GNU/Linux. (I observed the same write speed slow down in 14.04 LTS kernel.)