zackelan

9 ms·

31.
by zackelan 9y ago
> How is L2ARC not "true hybrid"? I think what that may be referring to is that the ARC is in-RAM and obviously cleared on a reboot, so as a result L2ARC on an SSD is also not persistent. After a reboot, you have to allow the A
32.
by zackelan 9y ago
Yeah, except the state constitution doesn't say that. Instead it says [0]: > All taxes shall be uniform upon the same class of property within the territorial limits of the authority levying the tax and shall be levied and collected
33.
by zackelan 9y ago
http://algo.ing.unimo.it/people/paolo/disk_sched/ https://lwn.net/Articles/601799/ tl;dr: > CFQ separates each process's I/O requests into a separate queue, then rotate
34.
by zackelan 9y ago
> I shouldn't be surprised. The red flag was flying as soon as IOP was used in singular form. > Input/Output Per. IOPS can also be "I/O operations per second" and in that context "1 IOP" is a meaning
35.
by zackelan 9y ago
Here's one where I think we very recently passed through the inflection point of cringe-worthiness: putting tiny plastic beads into body wash and facial scrubs in order to exfoliate your skin better. http://www.popsci.com&#x
36.
by zackelan 10y ago
Correct. I believe Certificate Transparency existed prior to any of the issues with Symantec, but CT was indeed involved in exposing some of the Symantec shenanigans. https://arstechnica.com/security/2017/01/a
37.
by zackelan 10y ago
Yes, but the problem with Dockerizing the Ubiquiti controllers (or at least the Unifi one - I haven't attempted with the others) is that the Java app requires MongoDB, and chooses to spin it up as a child process and treat it as an emb
38.
by zackelan 10y ago
By default[0] a Raft failover will block DNS reads, since Consul forwards all DNS queries to the master, making it a single-point-of-failure. However, Consul can be configured[1] to serve "eventually consistent" DNS queries, allow
39.
by zackelan 10y ago
For anyone else curious about this strange and seemingly out-of-place command in the upgrade instructions: # : > /usr/bin/bspatch See https://www.freebsd.org/security/advisories/FreeBSD-SA-16:29..
40.
by zackelan 10y ago
Your interpretation also disagrees with the interpretation, and explicitly stated goals, of RethinkDB itself: https://rethinkdb.com/faq/ > The RethinkDB server is licensed under the GNU Affero General Public License
41.
by zackelan 10y ago
> How is this worth it for Google? Anytime you find yourself asking "why is big company X giving away Y for free?" the answer is usually that they're commoditizing their complements: http://www.joelonsoftware.co
42.
by zackelan 10y ago
For an example of just how non-trivial this is, take a look at the version history of how AWS requires signing API requests. Version 1 had a serious flaw [0] related to how the string to be HMAC'd was constructed. It used an appropriat
43.
by zackelan 10y ago
> I always assumed satellites and probes used small jets of hydrazine to orient themselves. It's important to distinguish between a change in orbital velocity (how high the orbit is, how fast it is, and the plane it's orbiting
44.
by zackelan 10y ago
Her best hope for a pardon will come at the end of President Obama's term. Legally, presidents can issue these at any time, but because of the possible political fallout the majority of them come during the "lame duck" period
45.
by zackelan 10y ago
The best-case scenario for the people keeping her in prison is that we forget about her, and she spends years there, forgotten by the rest of the world. The letter I mailed to Chelsea this weekend said "you have not been forgotten&quot
46.
by zackelan 10y ago
You're right about the "leak" distinction, but the "classified at the time it was sent" question is stickier: http://www.factcheck.org/2016/07/clintons-handling-of-classi... > More than
47.
by zackelan 10y ago
> the burrito tunnel project For anyone unfamiliar with one of the most important engineering/infrastructure projects ever built: http://idlewords.com/2007/04/the_alameda_weehawken_burrito_t...
48.
by zackelan 10y ago
So I can download it for free, or I can buy "1 year free update" for $10. They need a much better explanation of what exactly I'm paying for, and what I'm limited to with the free version.
49.
by zackelan 10y ago
For anyone interested in this topic, I'd recommend the Lexicon Valley podcast [0] in general, and two episodes in particular. What Does It Mean to Sound Black? [1] featured Columbia professor John McWhorter as a guest, and discussed
50.
by zackelan 10y ago
Only one process can have a SQLite database file open for writes at a time. Multiple processes/threads can read, however. That's about it. I'm hesitant to describe it as an "issue" with concurrency because that has
51.
by zackelan 10y ago
A patch [0] that added Fortuna [1] support to Linux was offered over 10 years ago. Fortuna specifically addresses the problems of entropy estimation that the grandparent comment brings up: "making any kind of estimate of the amount of
52.
by zackelan 11y ago
For an example of this taken to a ludicrous extreme, several years ago an AWS user complained that downtime of a few EC2 instances were putting lives at risk. They were hosting cardiac monitoring services on single EC2 instances with no mul
53.
by zackelan 11y ago
Similar systems have been proposed in the US as well. [0] Disappointingly but unsurprisingly, Intuit (the makers of TurboTax, the most popular tax prep software in the US) spent millions of dollars lobbying the federal government to oppose
54.
by zackelan 11y ago
From the original Medium post: "I have to save as much of that as possible to pay my rent ($1245) for my apartment that’s 30 miles away from work because it was the cheapest place I could find that had access to the train, which costs
55.
by zackelan 11y ago
> I assume using AEADs-only makes the MACs keyword obsolete, is this correct? Correct. You can test this by running SSH with -v/--verbose and observing these log lines: debug1: kex: server->client aes256-gcm@openssh.com &lt
56.
by zackelan 11y ago
I consider LaTeX resumes to be a secret handshake of sorts, something that makes me significantly more likely to be inclined-to-hire a candidate. If you're preparing formatted text, LaTeX is the best tool for the job. It also has a ste
57.
by zackelan 11y ago
Despite the name, DynamoDB is not actually an implementation of the Dynamo paper. It's influenced by those ideas, as well as the issues with scaling SimpleDB, but other than that is a from-scratch implementation. http://www.
58.
by zackelan 11y ago
Correct. More specifically, pkg-ng uses the same database as ports, and pkg-ng was made the default starting in 10. It was available in prior versions, but only opt-in and with a conversion process from the legacy package database to the ne
59.
by zackelan 11y ago
> Now you add 1024 bits to the pool. A further complication - you don't actually add 1024 bits to the pool. Instead, you add N bits to the pool (N > 1024), estimate its entropy as 1024, and increase the overall entropy estimate b
60.
by zackelan 11y ago
Thanks for the response, I really appreciate it. Is there somewhere on Ars' website where I can read the "Ars doesn't do native advertising/advertorial" policy? As a jaded, cynical reader, the trap I fall into is th

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