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Implementing service-level objectives to improve software quality

Dynatrace

By implementing service-level objectives, teams can avoid collecting and checking a huge amount of metrics for each service. According to Google’s SRE handbook , best practices, there are “ Four Golden Signals ” we can convert into four SLOs for services: reliability, latency, availability, and saturation.

Software 269
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Time to First Byte: What It Is and Why It Matters

CSS Wizardry

However, one metric I feel that front-end developers overlook all too quickly is Time to First Byte (TTFB). The first—and often most surprising for people to learn—thing that I want to draw your attention to is that TTFB counts one whole round trip of latency. can all provide valuable insights. But what else is TTFB?

Latency 269
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Interpreting A/B test results: false negatives and power

The Netflix TechBlog

the difference in metric values between Groups A and B?—?the In the product development context, we can increase the expected magnitude of metric movements by being bold vs incremental with the hypotheses we test. The variability of the metric in the underlying population. Simply put, the larger the effect size?—?the

Testing 202
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AnyLog: a grand unification of the Internet of things

The Morning Paper

AnyLog: a grand unification of the Internet of Things , Abadi et al., Despite the "Internet of Things" featuring prominently in the title, there’s nothing particular to IoT in the technical solution at all. 10 minutes) with the bookkeeping metrics for each batch written to the blockchain. CIDR’20.

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Towards a Reliable Device Management Platform

The Netflix TechBlog

MQTT is an OASIS standard messaging protocol for the Internet of Things (IoT) and was designed as a highly lightweight yet reliable publish/subscribe messaging transport that is ideal for connecting remote devices with a small code footprint and minimal network bandwidth. million elements.

Latency 213
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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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Three Other Models of Computer System Performance: Part 1

ACM Sigarch

Computer systems, from the Internet-of-Things devices to datacenters, are complex and optimizing them can enhance capability and save money. How many buffers are needed to track pending requests as a function of needed bandwidth and expected latency? Can one both minimize latency and maximize throughput for unscheduled work?

Systems 60