Lazy Reading for 2011/11/27

Happy (post) Turkey Day for the U.S. readers!  A light link week this week.

  • Facebook is bad for the Internet.  ‘Gaslighting’ is a new term to me.  As that article points out, I can’t even put my posts to the Digest onto Facebook in any sort of automated way.  Facebook suggests that of course I’d love to retype them all by hand.  That’s not realistic.    Facebook doesn’t want any sort of useful external link to be visible to their customers.  Customers isn’t actually the right word; the customers are the advertisers.  What would be a better word for the users?  Crop?
  • the internet is above and beyond all else a resentment machine.”  It’s a very long essay that points out people are confusing brand identity with personal identity.  (via)
  • You know what would be good?  More conversations about games on BSD, cause it could use some attention.  Oh hey there you go.
  • A Dragonfly lamp (via Julian Gehtdichgarnichtsan)

Your unrelated link of the week: Animals Talking In All Caps.  It is what it says it is.

 

What to do with /usr/obj

When building world and kernel on DragonFly, /usr/obj is where the work files get placed.  This can eat a bit of space, but it can be safely deleted.  If you keep the files around, subsequent rebuilds can be done faster with a quickwork/quickkernel, but this may not matter to you.

(This was answered on the mailing lists by Max Herrgaard, but I don’t have a link to his reply – sorry!)

Huge speed improvements, plus graphs

The two things that make my day!   The work on DragonFly-current has led to some significant speed improvements.  So good, that Samuel Greear’s post on OSNews.org links to graphed results from him and from Francois Tigeot (multi-page PDF) showing the results from pgbench.

The results show a jump in multi-core/processor numbers that vastly exceeds DragonFly 2.10’s performance, and is comparable to FreeBSD 9/10.  Here’s some of what did it.

DESTDIR: 31 left

Almost all the packages in pkgsrc support non-root installation now…  except these last 31.  I recall something about their removal by the next quarterly release if they still don’t work, or maybe just after.  Jump in if one of these packages is useful to you.

Pull pkgsrc from git again

Some cleanup in the CVS -> git process wasn’t happening, so if you have been using pkgsrc 2011Q3 from git (i.e. via make in /usr), re-pull to make sure you have everything.

(The post noting this seems to have been eaten by the mailarchive…  that’ll be replaced.)

COMPAT_43 and COMPAT_DF12 gone

Well, they’re still available, but you don’t want them in your config any more because they can slow you down.  This will only affect you if you are running binary files from DragonFly 1.2 or earlier, or…  I guess a 4.3 BSD binary?  From 1986?  I’m sure there’s some other reason for it to be there.

Reduced memory usage

Francois Tigeot does something very useful: he monitors the resource usage on his systems, and tracks how it changes over time.  Because of that, he noticed that the recent VM changes in DragonFly have made quite a difference in memory usage.  (See the green area in the attached chart, around week 42.)

Quick, someone ask why the total memory used remains constant!