Excerpts from krzf83@gmail.com''s message of 2011-03-31 10:30:51
-0400:> There should be a way to make automatic checkpoints less frequent. On
> the busy ssd I have about 7 cp every second. If it were for example
> once every 5 minutes then one could set garbage removal every few
> days.
> Also garbage removal should have option to clean only if like 90% of
> drive is used. there is no need to remove cp-s when there is still
> many GB of space left.
I''m wondering how you''re measuring check points? Btrfs does a
transaction commit ever 30 seconds, so finding 7 commits per second
seems strange.
We do have a lighter weight commit that is done for fsyncs, but this is
not a full check point.
There''s no garbage removal in btrfs, we use reference counting instead
of a traditional log structured design.
-chris
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