tis 2010-06-01 klockan 12:38 +0000 skrev sameer khan: > We are using 2 x 320GB SATA2 with reiserfs 3.6. The machine experiences high > iowait when the cache reaches cache_swap_low. What we have observed that it > is constantly stuck at cache_swap_low. If we purge the cache it starts to > work fine again until cache hits cache_swap_low mark.
That's because the I/O load almost doubles then.. removing content from a filesystem is nearly as expensive as writing it in the first place. Regards Henrik
