The Netflix TechBlog

JUNE 14, 2023

The GraphQL shim enabled client engineers to move quickly onto GraphQL, figure out client-side concerns like cache normalization, experiment with different GraphQL clients, and investigate client performance without being blocked by server-side migrations. So, we relied on higher-level metrics-based testing: AB Testing and Sticky Canaries.

Traffic 357

Traffic Latency Metrics Cache 357

The Netflix TechBlog

JANUARY 6, 2025

Title Health encompasses various metrics and indicators that reflect how well a title is performing, in terms of discoverability and member engagement. To address this, we introduced the term Title Health, a concept designed to help us communicate effectively and capture the nuances of maintaining each titles visibility and performance.

Scalability 219

Scalability Cache Engineering Systems 219

The Netflix TechBlog

APRIL 27, 2023

A few years ago, we were paged by our SRE team due to our Metrics Alerting System falling behind — critical application health alerts reached engineers 45 minutes late! Hence, we started down the path of alert evaluation via real-time streaming metrics. This has proven to be valuable towards reducing Mean Time to Recover (MTTR).

Storage 297

Storage Cache Metrics Database 297

Scalegrid

JANUARY 25, 2024

You will need to know which monitoring metrics for Redis to watch and a tool to monitor these critical server metrics to ensure its health. Redis returns a big list of database metrics when you run the info command on the Redis shell. You can pick a smart selection of relevant metrics from these.

Metrics 130

Metrics Monitoring Latency Cache 130

DZone

NOVEMBER 25, 2019

Monitoring is very essential for modern applications, modern applications are highly distributed in nature and have different dependencies like database, service, caching and many more. SLA is an agreement between client and server, It accounts for reliability, responsiveness and other service-level metrics.

Monitoring 286

Monitoring Cache Metrics Database 286

Dynatrace

JANUARY 31, 2024

The RAG process begins by summarizing and converting user prompts into queries that are sent to a search platform that uses semantic similarities to find relevant data in vector databases, semantic caches, or other online data sources.

Cache 276

Cache Azure Infrastructure Monitoring 276

Percona

APRIL 14, 2023

A shared characteristic in most (if not all) databases, be them traditional relational databases like Oracle, MySQL, and PostgreSQL or some kind of NoSQL-style database like MongoDB, is the use of a caching mechanism to keep (a copy of) part of the data in memory. How do you know if your MySQL database caching is operating efficiently?

Cache 107

Cache Efficiency Database Monitoring 107

CSS Wizardry

SEPTEMBER 16, 2024

RTT data should be seen as an insight and not a metric. Note some of the counties in these URLs: this client has a truly international audience, and latency metrics are of great interest to me. Interestingly, latency only accounts for a small proportion of my overall TTFB metric. RTT isn’t a you-thing, it’s a them-thing.

Latency 244

Latency Cache Transportation Mobile 244

Scalegrid

AUGUST 30, 2019

Depending on how it is configured, Redis can act like a database, a cache or a message broker. Session Cache: Many websites leverage Redis Strings to create a session cache to speed up their website experience by caching HTML fragments or pages. It’s important to note that Redis is a NoSQL database system. Redis Sets.

Cache 232

Cache Ecommerce Social Media Database 232

Dynatrace

APRIL 7, 2022

Micrometer is used for instrumenting both out-of-the-box and custom metrics from Spring Boot applications. Davis topology-aware anomaly detection and alerting for your Micrometer metrics. Topology-related custom metrics for seamless reports and alerts. Micrometer uses a registry to export metrics to monitoring systems.

Metrics 130

Metrics Java Latency Cache 130

Dynatrace

APRIL 7, 2022

Micrometer is used for instrumenting both out-of-the-box and custom metrics from Spring Boot applications. Davis topology-aware anomaly detection and alerting for your Micrometer metrics. Topology-related custom metrics for seamless reports and alerts. Micrometer uses a registry to export metrics to monitoring systems.

Metrics 130

Metrics Java Latency Cache 130

Smashing Magazine

FEBRUARY 12, 2025

Thats why the Time to First Byte (TTFB) metric is important: it measures how soon after navigation the browser starts receiving the HTML response. But actually, theres a lot more to optimizing this metric. What Components Make Up The Time To First Byte Metric? TTFB stands for Time to First Byte. But where does it measure from ?

Servers 78

Servers Latency Cache Website 78

Dynatrace

NOVEMBER 3, 2021

Monitoring focuses on watching specific metrics. Observability is the ability to understand a system’s internal state by analyzing the data it generates, such as logs, metrics, and traces. For example, we can actively watch a single metric for changes that indicate a problem — this is monitoring.

Monitoring 264

Monitoring Metrics DevOps Scalability 264

CSS Wizardry

AUGUST 24, 2022

Most metrics are not atomic: FCP, for example, isn’t a metric we can optimise in isolation—it’s a culmination of other more atomic metrics such as connection overhead, TTFB, and more. As noted above, it’s not actually possible to improve certain metrics in their own right. mark ( ' HEAD Start ' ); performance. duration ).

Benchmarking 276

Benchmarking Metrics Cache Network 276

Dynatrace

JANUARY 16, 2023

Of the organizations in the Kubernetes survey, 71% run databases and caches in Kubernetes, representing a +48% year-over-year increase. Together with messaging systems (+36% growth), organizations are increasingly using databases and caches to persist application workload states.

Open Source 358

Open Source Java Operating System Programming 358

Dynatrace

MAY 13, 2022

Once you deploy the Dynatrace extension, Dynatrace ingests your Cassandra metrics and analyzes them in context with the entire stack. From there, you can dive deeper into infrastructure metrics (cluster, datacenter, racks, and nodes) and data metrics (keyspaces and tables). Seeing the value.

Azure 246

Azure Latency Metrics Infrastructure 246

Alex Russell

MARCH 31, 2022

Browsers will cache tools popular among vocal, leading-edge developers. There's plenty of space for caching most popular frameworks. The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Browsers now understand the classic shared HTTP cache behaviour as a privacy bug.

Cache 89

Cache Government Traffic Network 89

Dynatrace

APRIL 10, 2023

. “The key metrics we were able to gather from Dynatrace helped us complete the testing with zero downtime,” Bollampally said. “Caching’s one of the key components of any commerce application,” as it has a major impact on performance, Bollampally said. Further, as Tractor Supply Co.

Cloud 243

Cloud Ecommerce Performance Retail 243

Smashing Magazine

MAY 9, 2022

Performance Game Changer: Browser Back/Forward Cache. Performance Game Changer: Browser Back/Forward Cache. With that caveat out of the way, let’s get to the guts of the article: What is the Back/Forward Cache and why does it matter so much? Didn’t The HTTP Cache Do All That Anyway? Barry Pollard.

Cache 106

Cache Games Performance Website 106

The Netflix TechBlog

SEPTEMBER 8, 2020

This allows the app to query a list of “paths” in each HTTP request, and get specially formatted JSON (jsonGraph) that we use to cache the data and hydrate the UI. To prepare ourselves for a big change in the tech stack of our endpoint, we decided to track metrics around the time taken to respond to queries.

Latency 241

Latency Cache Java Traffic 241

The Netflix TechBlog

MAY 4, 2023

The second phase involves migrating the traffic over to the new systems in a manner that mitigates the risk of incidents while continually monitoring and confirming that we are meeting crucial metrics tracked at multiple levels. The batch job creates a high-level summary that captures some key comparison metrics.

Traffic 347

Traffic Latency Tuning Systems 347

Dynatrace

AUGUST 1, 2022

Interestingly, our partner RedHat reported in 2021 that around 80% of deployed workloads are databases or data caches, storing data in persistent volume claims (PVCs). Looking at the cloud-native landscape part for Kubernetes storage solutions , we see that most of these solutions natively expose relevant metrics in Prometheus format.

Storage 246

Storage Database Network Metrics 246

Dynatrace

NOVEMBER 29, 2021

When you add the Dynatrace extension to your Lambda functions, Dynatrace begins ingesting their metrics, logs, and traces, which you can monitor and correlate with data from the rest of your stack. In addition to the built-in views, Dynatrace provides data analysis tools that greatly enhance your abilities to query and chart metrics.

Lambda 246

Lambda AWS Serverless Metrics 246

Dynatrace

JUNE 16, 2020

With the release of Dynatrace 1.194, we’ve added CPU related infrastructure metrics for LPARs (host metrics) and regions (process metrics) and expanded our multidimensional analysis to IBM Z systems, including CICS, IMS, and the CICS transaction gateway. . This metric helps you to understand your current workload.

Innovation 207

Innovation Metrics Infrastructure Programming 207

Dynatrace

NOVEMBER 28, 2022

Lambda then takes a snapshot of the memory and disk state of the initialized execution environment, persists the encrypted snapshot, and caches it for low-latency access. With SnapStart enabled, function code is initialized once when a function version is published. Users can take advantage of the platform features immediately.

Lambda 246

Lambda AWS Serverless Latency 246

Speed Curve

JANUARY 19, 2025

Annie leads the Chrome Speed Metrics team at Google, which has arguably had the most significant impact on web performance of the past decade. It's really important to acknowledge that none of this would have been possible without the great work from Annie and her small-but-mighty Speed Metrics team at Google. Nice job, everyone!

Performance 98

Performance Google Speed Metrics 98

Dynatrace

DECEMBER 21, 2023

Implement appropriate caching layers (for example, read-only cache for static data). In January 2023, Dynatrace released the Carbon Impact app, adding carbon emissions and energy consumption metrics to observability data. Reduce the volume of data volumes requested from databases (for example, request all, filter in memory).

Cloud 264

Cloud Energy Best Practices Cache 264

The Netflix TechBlog

AUGUST 10, 2020

These are summarized below: Instead of relying on other objective metrics, such as PSNR†, VMAF is employed to guide optimization decisions. 264 AVC Main per-title encodes in terms of bitrate reduction, average compression efficiency improvement using Bjontegaard-delta rate (BD-rate) and other relevant metrics.

Innovation 242

Innovation Traffic Network Efficiency 242

Percona

NOVEMBER 6, 2023

In this article, we will see how someone can monitor Custom Resources that are created by the Operators with kube-state-metrics (KSM), a standard and widely adopted service that listens to the Kubernetes API server and generates metrics. Once captured, the metrics are exposed. kubectl get pxc pxc-1 -oyaml | yq 'del(.status.conditions)

Metrics 102

Metrics Monitoring Database Cache 102

Dynatrace

SEPTEMBER 13, 2023

Storing frequently accessed data in faster storage, usually in-memory caching, improves data retrieval speed and overall system performance. Beyond A study by Amazon found that increasing page load time by just 100 milliseconds costs 1% in sales.  Beyond efficiency, validating performance thresholds is also crucial for revenues.

AWS 305

AWS Efficiency Azure Cloud 305

The Netflix TechBlog

OCTOBER 16, 2019

Often the data is held in memory by consumers and used as a “total cache”, where it is accessed at runtime by client code and atomically swapped out under the hood. for example Open Connect Appliance cache configuration, supported device type IDs, supported payment method metadata, and A/B test configuration.

Cache 191

Cache Architecture Metrics Java 191

The Netflix TechBlog

JULY 1, 2019

Some of the metrics we use to measure performance on the Netflix TV app include animation frames per second (FPS), key input responsiveness (the amount of time before a member’s key press renders a change in the UI), video playback speed, and app start-up time. The majority of legacy devices run at 28MB of surface cache.

Cache 167

Cache Design Testing Development 167

Dynatrace

NOVEMBER 5, 2019

Microsoft offers a wide variety of tools to monitor applications deployed within Microsoft Azure, and the Azure Monitor suite includes several integration points into the enterprise applications, including: VM agent – Collects logs and metrics from the guest OS of virtual machines. Available as an agent installer). How does Dynatrace fit in?

Azure 198

Azure Artificial Intelligence Metrics Innovation 198

The Netflix TechBlog

SEPTEMBER 10, 2024

The DeviceToDeviceManager is responsible for validating the message, doing some bookkeeping, and kicking off an async call that validates that the device is an authorized target, looks up the Pushy for the target device in the local cache (or makes a call to the data store if it’s not found), and forwards on the message.

Latency 234

Latency Cache Tuning Efficiency 234

Dynatrace

APRIL 21, 2022

Most monitoring tools for migrations, development, and operations focus on collecting and aggregating the three pillars of observability— metrics, traces, and logs. Using a data-driven approach to size Azure resources, Dynatrace OneAgent captures host metrics out-of-the-box to assess CPU, memory, and network utilization on a VM host.

Azure 246

Azure Monitoring Virtualization Metrics 246

The Netflix TechBlog

MARCH 7, 2024

Deployment: Cache To produce business value, all our Metaflow projects are deployed to work with other production systems. While the system relies on our internal caching infrastructure, you could follow the same pattern using services like Amazon ElasticCache or DynamoDB.

Systems 235

Systems Media Cache Open Source 235

Scalegrid

JULY 8, 2020

Redis can act like a database, a cache, or a message broker and does not store data in well-defined database schemas which constitute tables, rows, and columns. 6 Crucial Redis Monitoring Metrics You Need To Watch. Top Redis Use Cases by Core Data Structure Types. Learn more. Learn more.

Servers 239

Servers Database Availability Monitoring 239