Re: [resent PATCH] Re: very slow parallel read performance

Oliver Neukum
2001-08-27T18:37:14Z

Hi,

> - Readahead cache is naturally a fifo - new chunks of readahead
> are added at the head and unused readahead is (eventually)
> culled from the tail.

do you really want to do this based on pages ? Should you not drop all pages
associated with the inode that wasn't touched for the longest time ?
If you are streaming dropping all should be no great loss.

Regards
Oliver