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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. Instead, they can ensure that services comport with the pre-established benchmarks. This process includes benchmarking realistic SLO targets based on statistical and probabilistic analysis from Dynatrace.

Software 263
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MySQL Key Performance Indicators (KPI) With PMM

Percona

This includes metrics such as query execution time, the number of queries executed per second, and the utilization of query cache and adaptive hash index. That said, it should also be monitored for usage, which will exhibit the traffic pressuring them. This KPI is also directly related to Query Performance and helps improve it.

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Five-nines availability: Always-on infrastructure delivers system availability during the holidays’ peak loads

Dynatrace

For retail organizations, peak traffic can be a mixed blessing. While high-volume traffic often boosts sales, it can also compromise uptimes. Five-nines availability: The ultimate benchmark of system availability. The nirvana state of system uptime at peak loads is known as “five-nines availability.” Automate IT operations.

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10 things I love about SpeedCurve (that I think you'll love, too)

Speed Curve

The best way to fight regressions is to create performance budgets on key metrics, and get alerted when they go out of bounds. These charts let even the most non-technical stakeholder easily see the correlation between performance and user engagement and business metrics, such as bounce rate and conversion rate.

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The State Of Mobile And Why Mobile Web Testing Matters

Smashing Magazine

These days, with mobile traffic accounting for over 50% of web traffic , it’s fair to assume that the very first encounter of your prospect customers with your brand will happen on a mobile device. However, there are quite a few high-profile case studies exploring the impact of mobile optimization on key business metrics.

Mobile 133
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Why you need to know your site's performance poverty line (and how to find it)

Speed Curve

"I made my pages faster, but my business and user engagement metrics didn't change. The performance poverty line is the plateau at which changes to your website’s rendering metrics (such as Start Render and Largest Contentful Paint) cease to matter because you’ve bottomed out in terms of business and user engagement metrics.

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Building Netflix’s Distributed Tracing Infrastructure

The Netflix TechBlog

We took a hybrid head-based sampling approach that allows for recording 100% of traces for a specific and configurable set of requests, while continuing to randomly sample traffic per the policy set at ingestion point. This allowed us to increase total storage capacity without adding a new Cassandra node to the existing cluster.