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Alec: “No, I’m not a libertarian. I’m from the Internet. I’m here to help.”
Am running WordPress importers; that which required more than 30 minutes to import – utilising less than 2% CPU for the whole time – suddenly required less than 3 minutes after adding the
nobarrier option to the root mountpoint and rebooting.
barrier=<0|1(*)> barrier(*) nobarrier
This enables/disables the use of write barriers in the jbd code. barrier=0 disables, barrier=1 enables. This also requires an IO stack which can support barriers, and if jbd gets an error on a barrier write, it will disable again with a warning. Write barriers enforce proper on-disk ordering of journal commits, making volatile disk write caches safe to use, at some performance penalty. If your disks are battery-backed in one way or another, disabling barriers may safely improve performance. The mount options “barrier” and “nobarrier” can also be used to enable or disable barriers, for consistency with other ext4 mount options.
Gah. Hasn’t Linux gotten past this fuckwittage yet? #ZFS
For those who won’t click through to the original content, I reproduce it below – because it’s just too perfect:
From: Ben Nagy ben at iagu.net
Date: Thu Aug 16 01:32:32 EDT 2012
On Wed, Aug 15, 2012 at 3:13 PM, Dr. Sandro Gaycken wrote
[SNIP! MERCIFUL BISHNU! SNIP IT ALL!]
Henceforth, I respond, if at all, exclusively in sarcastic couplets.
“The 0day and the Ivory Tower”
Said Doctor One to Doctor Two, these 0days are a bore
I read about them just last year! They’re too scary to ignore!
Said Doctor Two to Doctor One I know just what to do –
A brilliant plan from me and you, to save the whole EU!
With just 20 million Euro from each of 20 trusted friends,
we’ll find the bugs and fix them all, then APT will end!
Of course the plan will never work without a total ban
on coding and compilers (unless we say they can)
But how on earth, said Doctor One, can governments be showed
that individual liberty is worth less than some code?
Gentlemen! Said Doctor Three, (he enters from the rear)
By my scraggy beard and ponytail, well I can help you there!
We’ll simply call them cyberarms, to strike their hearts with fear,
and speak of Arabs killing folk, and such and such, all clear?
A cunning plot, good Doctor Three, but surely you recall
their allies in the USA, and justice there, for all?
Oh, don’t mind us, said EFF, we’re not as staid as that
Just let us sign a bill or two, this whole thing’s in the hat!
So black was white and white was black
And code was arms, no-one could hack
The Doctors published articles, they gained respect and friends
And then got owned by clicking on
I find it odd you mentioning how closed iOS is and ye you carry a Kindle. The others readers offer ePub support which is obviously an open format.
Anyway, I use my Nexus 7 for: reading books (take your pick: Kindle app, nook app, Google Books, Aldiko or Kobo); Google maps is excellent (most of the Google apps have been optimized for it); Google Reader or FlipBoard work well; it’s quad-core CPU and 12-core GPU so much better than the Galaxy Tab (but also because it’s stock Android, none of that TouchWiz nonsense).
I see the confusion, but the truth is that I can** put by one means or another _any_ open content onto the Kindle because “it’s just words” – so Kindle’s adherence to the FOSS-blessed format du jour is not relevant to me so long as the Kindle does not inhibit me from adding stuff to it.
Frankly I am most annoyed that it lacks a decent .TXT and offline HTML viewer; but HTML I tend to post on the web and view from anywhere, anyway…
And it’s unusable as a content-creation device, so I don’t worry about it not writing in an open format because it does not write at all.
I should get to play with Simon Phipps’ N7 today. We shall see.
And he can put me right about the format issue, too, if needs be.
* isn’t that ironic, in retrospect? 🙂
** by means of geek uberness if not brute force