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Site reliability done right: 5 SRE best practices that deliver on business objectives

Dynatrace

Keeping pace with modern digital transformation requires ensuring that applications are responsive, resilient, and always available amid increased complexity. Uptime Institute’s 2022 Outage Analysis report found that over 60% of system outages resulted in at least $100,000 in total losses, up from 39% in 2019.

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The Speed of Time

Brendan Gregg

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? Checking those available: $ cat /sys/devices/system/clocksource/clocksource0/available_clocksource. Try changing the kernel clocksource.

Speed 126
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The Speed of Time

Brendan Gregg

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? In 2019 myself and others tested kvm-clock and found it was only about 20% slower than tsc. Try changing the kernel clocksource.

Speed 52
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The Speed of Time

Brendan Gregg

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Measuring the speed of time Is there already a microbenchmark for os::javaTimeMillis()? In 2019 myself and others tested kvm-clock and found it was only about 20% slower than tsc. Try changing the kernel clocksource.

Speed 40
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Understanding operational 5G: a first measurement study on its coverage, performance and energy consumption

The Morning Paper

We are standing on the eve of the 5G era… 5G, as a monumental shift in cellular communication technology, holds tremendous potential for spurring innovations across many vertical industries, with its promised multi-Gbps speed, sub-10 ms low latency, and massive connectivity. Throughput and latency. km university campus.

Energy 130
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Cache-Control for Civilians

CSS Wizardry

— Harry Roberts (@csswizardry) 3 March, 2019. If there is a newer file available on the server, we definitely want to download it. If, however, there wasn’t a new file on the server, we’ll bring back a 304 header, no new file, but an entire roundtrip of latency. On high latency connections, this saving could be tangible.

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Image CDN - Speed Up the Delivery of Your Most Important Asset

KeyCDN

Using an image CDN, such as KeyCDN, can significantly reduce the latency of your image delivery. Well, according to HTTP Archive , as of June 1, 2019 the average desktop page is 1,896.8 For example, while the average mobile download speed on 4G in Switzerland is fast at 35.2 The PHP library for the API is available on GitHub.

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