> This is the trickle syncer.  It prevents bursts of disk activity every
> 30 seconds.  It is for non-fsync writes, of course, and I assume if the
> kernel buffers get low, it starts to flush faster.

AFAICT, the syncer only speeds up when virtual memory paging fills the
buffers past
a threshold and even in that event it only speeds it up by a factor of two.

I can't find any provision for speeding up flushing of the dirty buffers
when they fill for normal file system writes, so I don't think that
happens.

- Curtis


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