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Comment Re:A general question for the community (Score 1) 167

We experimented with 840 EVOs when they were basically the only thing available for 1TB SSDs. Those reliably got wrecked in VM hosts... We have a very write-heavy workload and simply used up the write endurance too quickly. For laptops, though, they're great.

The 840 Pros held up fine until we took them out of service this year. Out of about 100, I think we had 2 fail, which is on par for consumer-performance SSD.

Note that mainstream (Intel 3xx / Samsung EVO) and performance (Intel 5xx / Samsung Pro) are both cheap-out solutions, but they filled a need for us. We would have used real enterprise SSD (Intel DC / Samsung DC) if they had a product that met the specs we needed at the time. Typically they'll have more consistent IOPS under heavy load, better specified power-off behavior, higher specified endurance, etc, but I don't like generalizing since there are several lines available intended for different use cases.

Comment Re:A general question for the community (Score 1) 167

It depends on what you're doing.

I have a few laptops with TLC SSDs and they work great for a typical desktop workload - mostly random reads, occasional burst writes. None of them have ever used more than 1% of their rated wear lifespan over several years. They're

We tried using some TLC SSDs in ESXi hosts at work for disposable dev/test VMs. This is a write-heavy workload and runs them full speed 24x7. We found the hosts would chew them up and spit them out in about six months. MLC drives handle it fine.

I wouldn't concern yourself with TLC/MLC/SLC so much. Instead, look at the drives performance specifications - MB/s, random 4k IOPS, write durability, power failure strategy (some use capacitors, some use slower write strategies, etc). All the major manufacturers make something appropriate for the mainstream, performance, and server segments.

Comment Re:For variable values of "practical" and "relevan (Score 2) 143

This can only be done with a collision attack if the CA is really, really stupid. Proper CAs should include chain-length restrictions in their certificates.

Please correct me if I'm wrong, but it appears that most CAs are really, really stupid. Here's a list of the CAs included in Firefox: https://mozillacaprogram.secur... . I split the PEMs into a pile of files, and checked them:

$ for pem in * ; do openssl x509 -text -in $pem | grep pathlen ; done
        CA:TRUE, pathlen:4
        CA:TRUE, pathlen:1
        CA:TRUE, pathlen:1
        CA:TRUE, pathlen:7
        CA:TRUE, pathlen:7
        CA:TRUE, pathlen:3
        CA:TRUE, pathlen:5
        CA:TRUE, pathlen:12
        CA:TRUE, pathlen:12
        CA:TRUE, pathlen:12
        CA:TRUE, pathlen:12
        CA:TRUE, pathlen:3
        CA:TRUE, pathlen:10
        CA:TRUE, pathlen:3

So out of 172 root CAs only 14 include any path length restrictions, and even the ones who do still allow some chaining. This is what allowed the beautiful Short Chosen-Prefix Collisions for MD5 and the Creation of a Rogue CA Certificate to succeed.

I don't think the SHApocalypse will be tomorrow. This was an identical-prefix attack instead of a chosen-prefix which constrains the attacker considerably, and the computation required is much higher even to generate simple collisions. However, (again, please correct me if I'm missing something) it does seem plausible that that further weaknesses will be found which provide just enough leverage to forge a signature with one of those 172 CAs, and we may eventually see a rogue sha1WithRSAEncryption CA issued.

Comment Re:One word: Cowardice (Score 1) 146

not in the same universe as what can be achieved with an external DAC

Having a phono jack does not prevent you from using an external DAC. I do it with my Android phone all the time: USB-OTG adapter + USB DAC. It switches over automatically and works great... But when I don't have a DAC and I just want to connect to a car's line-in, the 3.5mm jack is still there for me.

Comment Re:Not all rosy (Score 2) 154

I suggest you look at cgroups. Instead of relying on the processes to play nice with resources, you can specify the resources you want allocated to each user. For instance, if each user has cpu.shares=1024, then it'll fully balance - if user A starts an old firefox and it's running singlethreaded, and user B starts a new firefox and it spawns 50 processes, you'll see user A's process consuming 50% of CPU, and user B's flock consuming 1% CPU each.

In this way you specify what you want to achieve (user B doesn't steal all the CPU making life suck for user A), instead of how to achieve it (singlethreaded software, and relying on users to not run more than one copy). It's easier and more efficient.

The other cool part: this may already be set up for you. On my Ubuntu 14.04 system this is all done by default when I log in.

Comment Re:Shocking (Score 3, Interesting) 289

People perceive high-density products as high-quality, and low-density products as cheap plastic crap. Numerous products have included weights for this reason... take a look inside your mouse. People want their phones and laptops to be light so they don't have a brick in their pocket or backpack. Light * high density = low volume. They don't want to reduce the screen size, and bezels are already minimized, so the only option to reduce volume is to make it thin. Of course, once they make it thinner the advertising department will hype that feature, but the real driver is density.

Comment Re:Holy flamebait batman! (Score 1) 917

That's just over $10,000 per citizen. Is that even a subsistence wage?

It's closer than you might think. If you have a wife and two kids, that's $40,000... That's only a little under a median household income. Perhaps kids pay out less, but that raises the amount available for adults.

If you're single you pick up a couple roommates, just like people working minimum wage jobs already do.

Also, the amount paid out is related to income. If you implemented a $10,000 UBI, plus a 25% universal flat tax, you would only receive the full $10,000 if you had $0 earned income. If you're earning $40,000, your net UBI/tax is $0. With $80,000 earned income you'd have $10,000 net tax. So you're not paying out $10,000 to every citizen.

With the nice round numbers above and $57,220 income per capita, the average tax will be $(57,220 - 10,000) * 0.25 = $11805. That results in 20.6% revenue/GDP. That's a little high, but it's completely plausible. You can nudge the variables a little and end up with a very reasonable scenario.

Comment Re:Ya know... (Score 1) 116

Most Android phones are like that because most people just don't care. They're not the only option though. If you buy a bootloader-unlocked phone you can run straight-up open source software on it. You can optionally install the Google apps on top, but AOSP is a fully functional baseline setup - phone, web, mail, SMS, etc - with no lock-in. You can download the whole thing as source, build every bit yourself, and load it on your phone.

You'll want to stick to models with strong community support. Anything "Nexus" will have solid community support for a long time. Other popular models tend to have okay support for at least a few years. If you off the beaten path you can still hack and patch it yourself.

Comment Re:Microsoft is relentless in being obnoxious late (Score 2) 118

Microsoft wants you to use Edge and wants their settings to stick. Why are you obviously purposefully reverting their settings? They go out of their way to create a normal default setting and you switch it back. Many times this has happened. There's no excuse for this horseshit.

FTFY.

Comment Re:The duck quacked (Score 1) 285

I come here to see the news picked apart in the discussions, not to get the latest breaking headlines. I therefore find either a paywalled link (so I can't RTFA), or a discussion about a previous paywalled link which doesn't match the article I'm reading.

However, thank you for taking the time to answer us. I'm more optimistic for Slashdot's future knowing that you've given thought to this and are making a reasoned decision.

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