> If the critical "working set" of VM pages is larger than available > memory, then the system will become exceedingly slow. This is > indicated by a substantial amount of major page fault activity. > Since disk is 10,000 times slower than RAM, major page faults can > really slow things down dramatically. Imagine what happens if ZFS or > an often-accessed part of the kernel is not able to fit in available > RAM.
ZFS and most of the kernel is locked in physical memory. Swap is never used for ZFS. In this case (NFS) everything is done in kernel. "working set" can not be larger than available memory. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
