alfrenovsky
New Member
I have a very slow disk. So I tried to increase dirty buffers
/proc/sys/vm/dirty_background_bytes:0
/proc/sys/vm/dirty_background_ratio:50
/proc/sys/vm/dirty_bytes:0
/proc/sys/vm/dirty_expire_centisecs:60000
/proc/sys/vm/dirty_ratio:80
/proc/sys/vm/dirty_writeback_centisecs:500
DDing a 5 GB file and Monitoring dirty memory I can see a 5GB peak and then a constant writeback and the dirty going down.
During the writeback I can hardly do any other thing whith the disk.
There's a way to lower the writeback priority?
I cant the writeback to be "ionice" to other disk requests.
/proc/sys/vm/dirty_background_bytes:0
/proc/sys/vm/dirty_background_ratio:50
/proc/sys/vm/dirty_bytes:0
/proc/sys/vm/dirty_expire_centisecs:60000
/proc/sys/vm/dirty_ratio:80
/proc/sys/vm/dirty_writeback_centisecs:500
DDing a 5 GB file and Monitoring dirty memory I can see a 5GB peak and then a constant writeback and the dirty going down.
During the writeback I can hardly do any other thing whith the disk.
There's a way to lower the writeback priority?
I cant the writeback to be "ionice" to other disk requests.