On Tue, 2005-03-01 at 13:04 -0800, Bryan Henderson wrote: > >it is hard to beat linux kernel [page] cache performance though. > > It's quite easy to beat it for particular applications. You can use > special knowledge about the workload to drop pages that won't be accessed > soon in favor of pages that will, not clean a page that's just going to > get discarded or overwritten soon, allocate less space to less important > data, and on and on.
except that in iscsi a big chunk of the access patterns are *external*; eg the real smarts are on that other machine on the network, not in the iscsi server. (and some of the stuff you describe are available via the pagecache too via madvise and friends) - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
