----- "Erik Trimble" <erik.trim...@oracle.com> skrev: > Roy Sigurd Karlsbakk wrote: > > Hi all > > > > I've been doing a lot of testing with dedup and concluded it's not > really ready for production. If something fails, it can render the > pool unuseless for hours or maybe days, perhaps due to single-threded > stuff in zfs. There is also very little data available in the docs > (though I've from what I've got on this list) on how much memory one > should have for deduping an xTiB dataset. > > > I think it was Richard a month or so ago that had a good post about > about how much space the Dedup Table entry would be (it was in some > discussion where I ask about it). I can't remember what it was (a > hundred bytes?) per DDT entry, but one had to remember that each entry
150 bytes per block IIRC, but still, it'd be nice to have this in the official ZFS docs. Let's hope this is added soon roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
