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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. Our engineering teams tuned their services for performance after factoring in increased resource utilization due to tracing.

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Delta: A Data Synchronization and Enrichment Platform

The Netflix TechBlog

No need to acquire locks on tables, which is essential to ensure that the write traffic on the database is never blocked by our service. High Level Architecture of Delta Stay Tuned We will publish follow-up blogs about technical details of the key components such as Delta-Connector and Delta Stream Processing Framework.

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Reducing High CPU on MySQL: a Case Study

Percona

The customer had noticed a linear high CPU usage in one of their MySQL instances and was not able to figure out why as there was no much traffic hitting the app. 2019-02-22T18:26:25 Creating triggers. 2019-02-22T18:27:14 Created triggers OK. 2019-02-22T18:27:14 Copying approximately 4924071 rows. Creating new table.

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ML Platform Meetup: Infra for Contextual Bandits and Reinforcement Learning

The Netflix TechBlog

theme of the ML Platform meetup hosted at Netflix, Los Gatos on Sep 12, 2019. For example, a ranking team would ingest live user traffic and subject it to a number of ranking configurations and simulate the event outcomes using predictive models running on canary rankers.

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Monitor client certificate-secured APIs with Dynatrace Synthetic

Dynatrace

As of 2019, ProgrammableWeb provides searchable access to almost 22,000 APIs, with more being added on a daily basis. They are, of course, not a complete solution, as they can be intercepted like any other network traffic. Stay tuned for more Dynatrace Synthetic news, including: Credential vault support for HTTP monitors.

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ML Platform Meetup: Infra for Contextual Bandits and Reinforcement Learning

The Netflix TechBlog

theme of the ML Platform meetup hosted at Netflix, Los Gatos on Sep 12, 2019. For example, a ranking team would ingest live user traffic and subject it to a number of ranking configurations and simulate the event outcomes using predictive models running on canary rankers.

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Have You Tested Your App Performance & Capacity Recently?

Apica

2019 will go down as the year when giants collided over who is streaming the right content to win the growing market demand and dollars. These companies should involve multiple organizations during Apica’s load testing to observe and pinpoint opportunities for performance tuning. million Netflix users as of Q3 2018.

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