On Thu, Aug 28, 2003, scott.marlowe wrote: > On Thu, 28 Aug 2003, Marc G. Fournier wrote: > > On Thu, 28 Aug 2003, Thomas Swan wrote: > > > > > Has anyone looked at changing the default block size across the board > > > and what the performance improvements/penalties might be? Hardware has > > > changed quite a bit over the years. > > > > I *think* that the reason for the performance improvement on FreeBSD is > > that our FS block size is 16k, instead of 8k ... are there any other > > OSs that have increased theirs? > > Linux, is still, as far as I know, limited to the max page size of the CPU > it's on, which for most x86 is 4k.
I don't know about the page size issue, but Linux has the additional problem that ext2/ext3 do not support fragments or variable block sizes within the same filesystem. Therefore, Linux wastes an excessive amount of space for larger block sizes. ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
