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authorLars Ellenberg <lars.ellenberg@linbit.com>2014-04-28 12:43:19 -0400
committerJens Axboe <axboe@fb.com>2014-04-30 15:46:54 -0400
commite82998743385ca861b9ec919eb2ba8177ce72180 (patch)
tree4cf895d0a9633eff1f11363f98ebe60713a4bcd7 /fs/binfmt_elf.c
parent0e49d7b014c5d591a053d08888a455bd74a88646 (diff)
drbd: don't let application IO pre-empt resync too often
Before, application IO could pre-empt resync activity for up to hardcoded 20 seconds per resync request. A very busy server could throttle the effective resync bandwidth down to one request per 20 seconds. Now, we only let application IO pre-empt resync traffic while the current resync rate estimate is above c-min-rate. If you disable the c-min-rate throttle feature (set c-min-rate = 0), application IO will no longer pre-empt resync traffic at all. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'fs/binfmt_elf.c')
0 files changed, 0 insertions, 0 deletions