> ZFS absolutely observes synchronous write requests (e.g. by NFS or a > database). The synchronous write requests do not benefit from the > long write aggregation delay so the result may not be written as > ideally as ordinary write requests. Recently zfs has added support > for using a SSD as a synchronous write log, and this allows zfs to > turn synchronous writes into more ordinary writes which can be written > more intelligently while returning to the user with minimal latency.
Bob, since the ZIL is used always, whether a separate device or not, won't writes to a system without a separate ZIL also be written as intelligently as with a separate ZIL? Thanks, Scott -- This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
