> - the very small max readahead size
For things like the readahead size, that's probably something that we
should autotune, based the time it takes to read N sectors. i.e.,
start N relatively small, such as 128k, and then bump it up based on
how long it takes to do a sequential read of N sectors until it hits a
given tunable, which is specified in milliseconds instead of kilobytes.
> - replacing cfq with deadline (or noop)
Unfortunately, that will break ionice and a number of other things...
- Ted
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