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run_post_routine
2004 Feb 05
3
increasing ext3 or io responsiveness
...(intensive harddrive io) freezes every few
seconds to flush the cache. Reading this:
https://listman.redhat.com/archives/ext3-users/2002-November/msg00070.html
I decided to try:
# elvtune -r 2048 -w 131072 /dev/sda
# echo "90 500 0 0 600000 600000 95 20 0" >/proc/sys/vm/bdflush
# run_post_routine
# elvtune -r 128 -w 512 /dev/sda
# echo "30 500 0 0 500 3000 60 20 0" >/proc/sys/vm/bdflush
# sync
I like it, but I think that's way too lax and risky - the whole post routine
never wrote to disk until I sync'd! But, is there a setting that would
ensure reliable constant i/o...