dpw

6 ms·

1.
by dpw 6y ago
I'm an engineer at Cloudflare, and I work on Unimog (the system in question). You are right that even balancing of utilization across servers with different hardware is not necessarily the optimal strategy. But keeping faster machines
2.
by dpw 6y ago
Wow, unusual topic for the front page of HN. I visited about 5 years ago. It was my wife's idea to go (it's quite far from other attractions, so you have to plan a visit), but we both really enjoyed it. The castle is the highli
3.
by dpw 9y ago
Thank you! We often use on Creative Commons-licensed images in our blog posts. We always include credit, but we owe a big debt of gratitude to the people who take these photos and make them available.
4.
by dpw 9y ago
I spoke too soon! We're going to disable this change for a while. Sorry.
5.
by dpw 9y ago
I work for Cloudflare. Thanks for bringing this bug to our attention. We have just rolled out a fix. You might need to go into the CF dashboard and purge the cache for your site to see the fix take effect.
6.
by dpw 10y ago
I saw lots of these in Morocco, between the mountains and the Sahara. Well, what I saw were the regularly spaced mounds of earth at the top of the access shafts.
7.
by dpw 10y ago
"As of yet I don't have a clear picture what this new driver will look like once evolved besides hearing 'boxes, many fucking boxes mate', when being told about the increased abstractions of the multi-OS-focused driver d
8.
by dpw 10y ago
So "native" means "not VirtualBox" now? Docker for Mac might be a significant step forward compared to the previous solutions, but it still involves a Linux VM. I guess you could say that xhyve is a native hypervisor,
9.
by dpw 11y ago
A few things about the article that made me think "hmmmm": No mention of testing set-up. Was the test client running on a different machine from the server? What kind of machines? What kind of network? Many of the charts have t
10.
by dpw 11y ago
The linked article states 100 Gb/s, i.e. gigabits per second. But the post title says "100GB/s" which suggests gigabytes per second. Worth correcting, because getting 100GB/s between two machines in the same rack
11.
by dpw 11y ago
Yeah. This bit me on the first ascii diagram of mine I tried it on. But other than that, very neat.
12.
by dpw 11y ago
Indeed. Kernel-bypass networking is great when you are building something that just receives and send packets (and maybe does other things that can be moved to other threads within the same process using lightweight synchronization mechani
13.
by dpw 11y ago
We did try TUN/TAP. It seemed to be slower than pcap. Our answer to weave performance concerns is on its way: http://blog.weave.works/2015/06/12/weave-fast-datapath/ We're really interested to
14.
by dpw 11y ago
I agree with other posters who say that everyone makes syntax errors, and that relying on documentation is fine (consulting documentation, and not just banging out something that seems to work, is a mark of a good developer) With that said:
15.
by dpw 11y ago
Are you in London? If not, move to London - it's where most of the start-up jobs and interesting tech jobs in the UK are located. Also in London, there are also lots of tech meetups. Find ones that interest you. Go to the pub afterw
16.
Data is at the heart of search, but who has access to it?(andreasgal.com)
105 points by dpw 11y ago|81 comments
17.
by dpw 12y ago
Has any Greenplum DBMS code actually been released yet? Please correct me if I am wrong, but as far as I can tell, there is only a commitment to release it at some indeterminate point in the future. Until that commitment is fulfilled, it
18.
68 Katy – 68000 Linux on a Solderless Breadboard(bigmessowires.com)
254 points by dpw 12y ago|36 comments
19.
by dpw 12y ago
You make it sound like achieving what weave does would be straightforward with the existing in-kernel encapsulation mechanisms. That's not the case. Even if putting some parts in the kernel would make sense in the long term, getting
20.
by dpw 12y ago
amqp.node has a callback-based API if you don't want to use the promise-based API. But this guy reimplemented it, apparently because he doesn't like promises ("This library solves Issues 1 and 2 if you can put up with promis
21.
by dpw 12y ago
The PHP world is so adorable. It's like a bunch of little puppies, running into each other and falling over and tumbling around.
22.
by dpw 13y ago
I'm 38. If you run Linux on an x86 desktop, you use code that I wrote in 1997: The MTRR support in http://cgit.freedesktop.org/xorg/xserver/tree/hw/xfree86/os-... (big chunks of that are unchan
23.
by dpw 13y ago
His name is misspelled in the thread title. It's "Khamenei" (and pronounced a bit liked "harmony").
24.
by dpw 13y ago
The linked article is about a decline in the rate of CO2 emissions, not a decline in atmospheric CO2 as the HN title suggests.
25.
by dpw 13y ago
I'm sure this is good for many things, but it won't make a great digital oscilloscope. A sample rate of 125Msps is not really high enough for a bandwidth of 50MHz in that context. The low-end Rigol oscilloscopes do 1Gsps.
26.
by dpw 15y ago
And while we don't use github internally, people can and do submit issues and pull requests there: https://github.com/rabbitmq (N.B. we need contributors to sign a contributor agreement.) David (rabbiteer)