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Interpreting A/B test results: false negatives and power

The Netflix TechBlog

We then used simple thought exercises based on flipping coins to build intuition around false positives and related concepts such as statistical significance, p-values, and confidence intervals. As a result, if the test treatment results in a small reduction in the latency metric, it’s hard to successfully identify?

Testing 202
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Bring Your Own Cloud (BYOC) vs. Dedicated Hosting at ScaleGrid

Scalegrid

These are advanced cloud configurations that allow you to protect your databases from the internet. At ScaleGrid we recommend you deploy your clusters on private VPC subnets so that your database is not routable from the internet. Deploying your application and database on the same VPC also provides the lowest possible latency path.

Cloud 242
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Trade-offs under pressure: heuristics and observations of teams resolving internet service outages (Part II)

The Morning Paper

Trade-offs under pressure: heuristics and observations of teams resolving internet service outages , Allspaw, Masters thesis, Lund University 2015. 1:18pm a key observation was made that an API call to populate the homepage sidebar saw a huge jump in latency. First look for any correlation to the last change made to the system.

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A Decade of Dynamo: Powering the next wave of high-performance, internet-scale applications

All Things Distributed

With these requirements in mind, and a willingness to question the status quo, a small group of distributed systems experts came together and designed a horizontally scalable distributed database that would scale out for both reads and writes to meet the long-term needs of our business. This was the genesis of the Amazon Dynamo database.

Internet 128
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Taiji: managing global user traffic for large-scale Internet services at the edge

The Morning Paper

Taiji: managing global user traffic for large-scale internet services at the edge Xu et al., Taiji’s routing table is a materialized representation of how user traffic at various edge nodes ought to be distributed over available data centers to balance data center utilization and minimize latency. SOSP’19. a chance to warm up.

Traffic 42
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Amazon EC2 Cluster GPU Instances - All Things Distributed

All Things Distributed

Werner Vogels weblog on building scalable and robust distributed systems. For example, the most fundamental abstraction trade-off has always been latency versus throughput. The throughput of this pipeline is more important than the latency of the individual operations. All Things Distributed. Comments ().

AWS 136