On Thu, Jul 27, 2006 at 03:54:02PM -0400, Christine Tran wrote: > - What is the compression algorithm used?
It is based on the Lempel-Ziv algorithm. > - Is there a ZFS feature that will output the real uncompressed size of > the data? The scenario is if they had to move a compressed ZFS > filesystem back to UFS, say. 'ls' will give the file's real > uncompressed size, but customer had rather not write a script to sum > everything up. You can multiply the 'referenced' and 'compressratio' property of a filesystem to find out how much space it would use if uncompressed. > - Customer wants to do a diff between snapshots. Is there an RFE > already filed? Two, in fact: 6370738 zfs diffs filesystems 6425091 want 'zfs diff' to list files that have changed between snapshots > _ Customer would like benchmarking numbers. I think there is a blog > item but do we have something more "official"? No; we're working on some more unofficial benchmark numbers, though :-) --matt _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
