jm + paper   8

Baby laughing hysterically at ripping paper [video]
classic Youtube unicorn chaser, saving for future use
unicorn-chaser  youtube  funny  babies  paper  videos  ffu 
11 weeks ago by jm
Maglev: A Fast and Reliable Software Network Load Balancer
Maglev is Google’s network load balancer. It is a large distributed software system that runs on commodity Linux servers. Unlike traditional hardware network load balancers, it does not require a specialized physical rack deployment, and its capacity can be easily adjusted by adding or removing servers. Network routers distribute packets evenly to the Maglev machines via Equal Cost Multipath (ECMP); each Maglev machine then matches the packets to their corresponding services and spreads them evenly to the service endpoints. To accommodate high and ever-increasing traffic, Maglev is specifically optimized for packet processing performance. A single Maglev machine is able to saturate a 10Gbps link with small packets. Maglev is also equipped with consistent hashing and connection tracking features, to minimize the negative impact of unexpected faults and failures on connection-oriented protocols. Maglev has been serving Google's traffic since 2008. It has sustained the rapid global growth of Google services, and it also provides network load balancing for Google Cloud Platform.


Something we argued for quite a lot in Amazon, back in the day....
google  paper  scale  ecmp  load-balancing  via:conall  maglev  lbs 
february 2016 by jm
"Cuckoo Filter: Practically Better Than Bloom"
'We propose a new data structure called the cuckoo filter that can replace Bloom filters for approximate set membership
tests. Cuckoo filters support adding and removing items dynamically while achieving even higher performance than
Bloom filters. For applications that store many items and target moderately low false positive rates, cuckoo filters have
lower space overhead than space-optimized Bloom filters. Our experimental results also show that cuckoo filters outperform previous data structures that extend Bloom filters to support deletions substantially in both time and space.'
algorithms  paper  bloom-filters  cuckoo-filters  cuckoo-hashing  data-structures  false-positives  big-data  probabilistic  hashing  set-membership  approximation 
march 2015 by jm
"Man vs Machine: Practical Adversarial Detection of Malicious Crowdsourcing Workers" [paper]
"traditional ML techniques are accurate (95%–99%) in detection but can be highly vulnerable to adversarial attacks". ain't that the truth
security  adversarial-attacks  machine-learning  paper  crowdsourcing  via:kragen 
february 2015 by jm
How to Read a Scientific Paper (About That Researcher With a Nematode in His Mouth) - Wired Science
Let’s rewind to September 2012. It was about then- according to this recently published report (paywall) in The American Journal of Tropical Medicine – that an “otherwise healthy, 36-year-old man” felt a rough patch in his mouth, a scaly little area his right cheek. It didn’t hurt. But then it didn’t stay there either. He started testing for it with his tongue. It traveled. It moved to the back of his mouth, then forward, coiled backwards again. In the language of science: “These rough patches would appear and disappear on a daily basis, giving the patient the indirect sense that there was an organism moving within the oral cavity.”
nematodes  parasites  biology  medicine  paper  gross  funny  wired  mouth 
october 2013 by jm
The Irish State wishes to uninvent computers with new FOI Bill
Mark Coughlan noticed this:
The FOI body shall take reasonable steps to search for and extract the records to which the request relates, having due regard to the steps that would be considered reasonable if the records were held in paper format.


In other words, pretend that computerised database technology, extant since the 1960s, does not exist. Genius (via Simon McGarr)
funny  irish  ireland  foi  open-data  freedom  computerisation  punch-cards  paper  databases 
august 2013 by jm
The Bw-Tree: A B-tree for New Hardware - Microsoft Research
The emergence of new hardware and platforms has led to reconsideration of how data management systems are designed. However, certain basic functions such as key indexed access to records remain essential. While we exploit the common architectural layering of prior systems, we make radically new design decisions about each layer. Our new form of B tree, called the Bw-tree achieves its very high performance via a latch-free approach that effectively exploits the processor caches of modern multi-core chips. Our storage manager uses a unique form of log structuring that blurs the distinction between a page and a record store and works well with flash storage. This paper describes the architecture and algorithms for the Bw-tree, focusing on the main memory aspects. The paper includes results of our experiments that demonstrate that this fresh approach produces outstanding performance.
bw-trees  database  paper  toread  research  algorithms  microsoft  sql  sql-server  b-trees  data-structures  storage  cache-friendly  mechanical-sympathy 
april 2013 by jm
Inside the Mcor IRIS
'The results are startlingly good. This 3D printed skull [see pic] looks almost real. This is the print quality everyone will be able to access when Mcor’s deal with Staples enables 3D printing from copy centers.'
mcor  staples  irish  tech  3d-printing  paper 
december 2012 by jm

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