DFLTPHYS vs MAXPHYS

Alexander Motin mav at FreeBSD.org
Tue Jul 7 18:25:50 UTC 2009


Matthew Dillon wrote:
>    That isn't correct.  Locality of reference for adjacent data is very
>    important even if the filesystem only needs a small amount of data.

All I wanted to say, is that it is FS privilege to decide how much data 
it needs. But when it really needs a lot of data, they should be better 
transferred with smaller number of bigger transactions, without strict 
MAXPHYS limitation.

-- 
Alexander Motin


More information about the freebsd-arch mailing list