Re: Hammer deduplication needs for RAM size

2011-04-22 Thread Venkatesh Srinivas
I deduped a dataset that from ~600G - 396G on a system with 256MB of physical RAM and a 32GB swapcache. Peak Virt size of 'hammer dedup' was in the 700MB range. double_buffer was on. Performance was pretty reasonable and the system was plenty usable the whole time. Don't remember how long it took,

Re: Hammer deduplication needs for RAM size

2011-04-22 Thread Matthew Dillon
:Hi all, : :can someone compare/describe need of RAM size by deduplication in :Hammer? There's something interesting about deduplication in ZFS :http://openindiana.org/pipermail/openindiana-discuss/2011-April/003574.html : :Thx The ram is basically needed to store matching CRCs. The on-line

2.10 Release scheduled for Monday.

2011-04-22 Thread Matthew Dillon
My weekend schedule is too crowded so we will be doing the official release Monday evening. HEAD is now 2.11 and we have a 2.10 release branch. 2011Q1 packages have been built though some work is still ongoing. Preliminary nrelease builds have succeeded and testing

Hardware.

2011-04-22 Thread David Crosswell
Hello one and all. I've been checking out your hardware page here: http://tinyurl.com/3qbp9ck and wanting to know which of these supermicro opteron server boards work best with Dragonfly off the shelf. I'm looking at building a small server to familiarise myself with all the BSDs, for study

Filesystems

2011-04-22 Thread David Crosswell
I understand the availability of UFS and Hammer in the Dragonfly environment, but is ZFS possible, or are there any plans to facilitate it if it isn't? Regards, David Crosswell. -- In a world without walls and fences, what need have we for Windows or Gates? http://www.weavers-web.org

Re: Filesystems

2011-04-22 Thread Justin Sherrill
It's certainly possible. Nobody's working on it right now, to my knowledge. I'm more interesting in seeing Hammer grow, so I'm not that concerned about it. On Fri, Apr 22, 2011 at 5:03 PM, David Crosswell david.crosswe...@gmail.com wrote: I understand the availability of UFS and Hammer in the

Re: 2.10 Release scheduled for Monday.

2011-04-22 Thread Justin Sherrill
The 2011Q1 package for 2.10/x86_64 DragonFly are done and uploaded. The 2011Q1 2.10/i386 packages will be done later today... now that I have the correct filepath and permissions. On Fri, Apr 22, 2011 at 4:19 PM, Matthew Dillon dil...@apollo.backplane.com wrote:    My weekend schedule is too

Re: Filesystems

2011-04-22 Thread David Crosswell
Yes, I understand that. I'm looking forward to doing something with Hammer, but I've spoken to a couple of guys at the local Users group who swear they'll never use anything else but ZFS - got it running on FreeBSD and I looked at Dragonfly with UFS and Hammer and thought with ZFS they'd have