The Netflix TechBlog

FEBRUARY 14, 2025

We can experiment with different content placements or promotional strategies to boost visibility and engagement. Analyzing impression history, for example, might help determine how well a specific row on the home page is functioning or assess the effectiveness of a merchandising strategy.

Tuning 166

Tuning Latency Efficiency Storage 166

Scalegrid

FEBRUARY 24, 2025

Scaling RabbitMQ ensures your system can handle growing traffic and maintain high performance. Youll also learn strategies for maintaining data safety and managing node failures so your RabbitMQ setup is always up to the task. Think of it as a sophisticated traffic management system that ensures smooth flow and prevents congestion.

Best Practices 147

Best Practices Traffic Strategy Scalability 147

The Netflix TechBlog

JUNE 1, 2023

To do this, we devised a novel way to simulate the projected traffic weeks ahead of launch by building upon the traffic migration framework described here. New content or national events may drive brief spikes, but, by and large, traffic is usually smoothly increasing or decreasing.

Traffic 349

Traffic Best Practices Systems Testing 349

The Netflix TechBlog

JUNE 14, 2023

The three strategies we will discuss today are AB Testing , Replay Testing, and Sticky Canaries. Let’s discuss the three testing strategies in further detail. The control group’s traffic utilized the legacy Falcor stack, while the experiment population leveraged the new GraphQL client and was directed to the GraphQL Shim.

Traffic 357

Traffic Latency Metrics Cache 357

Dynatrace

NOVEMBER 28, 2023

Even when the staging environment closely mirrors the production environment, achieving a complete replication of all potential scenarios, such as simulating extremely high traffic volumes to assess software performance, remains challenging. This can lead to a lack of insight into how the code will behave when exposed to heavy traffic.

Traffic 279

Traffic Best Practices Strategy Engineering 279

Dynatrace

AUGUST 8, 2024

As recent events have demonstrated, major software outages are an ever-present threat in our increasingly digital world. Possible scenarios A Distributed Denial of Service (DDoS) attack overwhelms servers with traffic, making a website or service unavailable.

Software 290

Software Software Infrastructure Network 290

Dynatrace

APRIL 22, 2020

While most government agencies and commercial enterprises have digital services in place, the current volume of usage — including traffic to critical employment, health and retail/eCommerce services — has reached levels that many organizations have never seen before or tested against. There are proven strategies for handling this.

Traffic 285

Traffic Ecommerce Retail Government 285

Scalegrid

FEBRUARY 6, 2025

RabbitMQ is designed for flexible routing and message reliability, while Kafka handles high-throughput event streaming and real-time data processing. Kafka is optimized for high-throughput event streaming , excelling in real-time analytics and large-scale data ingestion. What is Apache Kafka?

Latency 147

Latency Analytics Architecture Storage 147

Dynatrace

DECEMBER 9, 2020

To address potentially high numbers of requests during online shopping events like Singles Day or Black Friday, it’s crucial that this online shop have a memory storage strategy that allows for speed, scaling, and resilience of all microservices, especially the shopping cart service.

Java 264

Java Traffic Architecture Serverless 264

Dynatrace

JULY 1, 2020

In my last blog , I’ve provided an example of this happening, whereby the traffic spiked and quadrupled the usual incoming traffic. These are all interesting metrics from marketing point of view, and also highly interesting to you as they allow you to engage with the teams that are driving the traffic against your IT-system.

Traffic 264

Traffic Analytics Metrics Servers 264

Dynatrace

MARCH 26, 2020

This means that Dynatrace alerts more quickly when an error spike occurs in a high-traffic service (compared to a low-traffic service where statistical confidence is lower). This setting distinguishes between slowdown alerts and error detection, so that you can choose an individual strategy for each.

Traffic 245

Traffic Monitoring Efficiency Strategy 245

The Netflix TechBlog

OCTOBER 8, 2024

Building on these foundational abstractions, we developed the TimeSeries Abstraction  — a versatile and scalable solution designed to efficiently store and query large volumes of temporal event data with low millisecond latencies, all in a cost-effective manner across various use cases. Let’s dive into the various aspects of this abstraction.

Latency 239

Latency Storage Traffic Tuning 239

Dynatrace

MAY 19, 2023

Network traffic growth is the main reason for increasing spending, largely because of the adoption of hybrid and multi-cloud architectures. Unifying data, unifying observability Merging siloed data streams in a unified observ ability strategy requires a different approach.

Network 246

Network Monitoring Performance Traffic 246

Dynatrace

APRIL 28, 2021

Organizations that have transitioned to agile software development strategies (including the adoption of a DevOps culture and continuous delivery automation) enforce automated solutions for such decision making—or at the very least, use automation in the gathering of a release-quality metrics. Events ingestion. Kubernetes metadata.

Software 246

Software Software Strategy Metrics 246

Dynatrace

SEPTEMBER 5, 2024

Let’s delve deeper into how these capabilities can transform your observability strategy, starting with our new syslog support. It also enhances syslog messages with additional context and optimizes network traffic, improving overall system resilience and security.

Innovation 290

Innovation AWS Analytics Storage 290

Dynatrace

AUGUST 28, 2023

IT teams spend months preparing for the peak traffic they anticipate will arrive with holiday shopping. Decentralized last-mile delivery strategies such as micro-fulfillment centers complicate inventory management and order fulfillment oversight. (Though the three-second rule for page load time is often misinterpreted).

Retail 246

Retail Logistics Innovation Analytics 246

Dynatrace

JUNE 10, 2024

For example, an organization might use security analytics tools to monitor user behavior and network traffic. Improved compliance A better understanding of data security across multiple applications and environments provides a unified view of events and information. This offers two advantages for compliance.

Analytics 264

Analytics Network Open Source Hardware 264

The Netflix TechBlog

SEPTEMBER 10, 2024

During this event, we generate a timestamp and store it in an eBPF hash map using the process ID as the key. Each event includes a run queue latency sample with a cgroup ID, which we associate with running containers on the host. This spike would be noticeable in the userspace application if it were serving HTTP traffic.

Latency 262

Latency Metrics Programming Monitoring 262

The Netflix TechBlog

DECEMBER 17, 2019

In databases like MySQL and PostgreSQL, transaction logs are the source of CDC events. Some of DBLog’s features are: Processes captured log events in-order. Interleaves log with dump events, by taking dumps in chunks. No locks on tables are ever acquired, which prevent impacting write traffic on the source database.

Database 221

Database Traffic Transportation Open Source 221

The Netflix TechBlog

NOVEMBER 3, 2022

With traffic growth, a single leader node handling all request volume started becoming overloaded. The path over which data travels from Titus Job Coordinator to a Titus Gateway cache can be described as a sequence of event queues with different processing speeds: A message generated by the event source may be buffered at any stage.

Cache 233

Cache Latency Traffic Systems 233

Dynatrace

JUNE 27, 2022

Data collected on page load events, for example, can include navigation start (when performance begins to be measured), request start (right before the user makes a request from the server), and speed index metrics (measure page load speed). RUM, however, has some limitations, including the following: RUM requires traffic to be useful.

Best Practices 244

Best Practices Monitoring Wireless Traffic 244

Dynatrace

NOVEMBER 2, 2023

The good news: even for latecomers to the compliance party, compliance is perfectly doable within the timeframe given the right tools and strategies. Many organisations adopt an observability solution to analyse the significance of events to their operations, making it ideally suited to APRA CPS 230 compliance.

Cloud 264

Cloud Infrastructure Strategy Open Source 264

Dynatrace

FEBRUARY 15, 2023

Streamline development and delivery processes Nowadays, digital transformation strategies are executed by almost every organization across all industries. Whether triggered by a test result or a new release deployment, detected events work as a trigger to check the defined objectives and derive an overall status automatically.

DevOps 246

DevOps Latency Traffic Best Practices 246

Dynatrace

OCTOBER 28, 2022

BT has modernized with AIOps at the center of its digital transformation strategy. For BT, AIOps and digital transformation are at the center of the company’s upcoming three-to-five-year digital transformation strategy. As Baldry noted, Davis not only identifies issues but can trigger a chain of events to aid with auto-remediation.

Cloud 246

Cloud Strategy Technology Technology 246

Dynatrace

AUGUST 9, 2023

Not only that, teams struggle to correlate events and alerts from a wide range of security tools, need to put them into context, and infer their risk for the business. Falco is an open-source, cloud-native security tool that utilizes the Linux kernel technology  eBPF , to generate fine-grained networking, security, and observability events.

Analytics 246

Analytics AWS Infrastructure Strategy 246

The Netflix TechBlog

JUNE 4, 2019

Implementation We decided to implement the strategy through Linux cgroups since they are fully supported by CFS, by modifying each container’s cpuset cgroup based on the desired mapping of containers to hyper-threads. We also want to leverage kernel PMC events to more directly optimize for minimal cache noise.

Cache 258

Cache Latency Airlines Logistics 258

The Netflix TechBlog

DECEMBER 17, 2019

In databases like MySQL and PostgreSQL, transaction logs are the source of CDC events. Some of DBLog’s features are: Processes captured log events in-order. Interleaves log with dump events, by taking dumps in chunks. No locks on tables are ever acquired, which prevent impacting write traffic on the source database.

Database 206

Database Traffic Transportation Open Source 206

Scalegrid

SEPTEMBER 5, 2024

The key components of automatic failover include the primary server for write operations, standby servers for backup, and a monitor node for health checks and coordination of failover events. Automatic failover is a critical strategy to achieve this. In the event of a failure, it informs Pacemaker.

Availability 257

Availability Servers Database Open Source 257

The Netflix TechBlog

SEPTEMBER 23, 2019

In the event of an isolated failure we first pre-scale microservices in the healthy regions after which we can shift traffic away from the failing one. In 2013 we first developed our multi-regional availability strategy in response to a catalyst that led us to re-architect the way our service operates.

Traffic 191

Traffic Metrics Mobile Government 191

Scalegrid

DECEMBER 16, 2019

In this post, we’ll walk you through the best way to host MongoDB on DigitalOcean, including the best instance types to use, disk types, replication strategy, and managed service providers. MongoDB Replication Strategies. DigitalOcean Advantages for MongoDB. The Best Way to Host #MongoDB on DigitalOcean Click To Tweet.

Azure 187

Azure AWS Database Latency 187

The Netflix TechBlog

JULY 26, 2021

Change Data Capture(CDC) source connector reads from studio applications’ database transaction logs and emits the change events. The CDC events are passed on to the Data Mesh enrichment processor, which issues GraphQL queries to Studio Edge to enrich the data. CDC events can also be sent to Data Mesh via a Java Client Producer Library.

Big Data 257

Big Data Government Processing Analytics 257

Dynatrace

APRIL 13, 2023

Log auditing is a cybersecurity practice that involves examining logs generated by various applications, computer systems, and network devices to identify and analyze security-related events. Log auditing is a crucial part of building a comprehensive security program.

Java 246

Java Analytics Infrastructure Cloud 246

The Netflix TechBlog

OCTOBER 7, 2021

Deployment Strategies We are all familiar with the advantages of releasing frequently and in smaller chunks. The challenge for clients is that each instance of the application runs on a Netflix member’s device and signals are derived from a firehose of events being sent by devices across the globe. which is not known in advance.

Metrics 206

Metrics Mobile Testing Strategy 206

DZone

APRIL 21, 2023

A blue-green deployment model is a software delivery release strategy based on maintaining two separate application environments. As part of testing and validation of the new version of the software, application traffic is gradually re-routed to the green environment. Why Is Blue-Green Deployment Useful?

Software 130

Software Software Traffic Strategy 130

Dynatrace

MAY 15, 2019

Revised cleanup strategy for Elasticsearch snapshots. To address this storage issue for older snapshots, we’ve adapted our cleanup strategy so that monthly snapshots are now removed automatically after 6 months. Event Log now contains successful login entries when users logged in via SSO. Also in this release.

Storage 145

Storage Metrics Strategy Java 145

The Netflix TechBlog

SEPTEMBER 18, 2024

HashMap<String, SortedMap<Bytes, Bytes>> For complex data models such as structured Records or time-ordered Events, this two-level approach handles hierarchical structures effectively, allowing related data to be retrieved together. This model supports both simple and complex data models, balancing flexibility and efficiency.

Latency 260

Latency Storage Cache Servers 260

Scalegrid

AUGUST 30, 2024

Encryption Strategies for RabbitMQ RabbitMQ implements transport-level security using TLS/SSL encryption to safeguard data during transmission. When persistent messages in RabbitMQ are encrypted, it ensures that even in the event of unsanctioned access to storage hardware, confidential information stays protected and secure.

Transportation 130

Transportation Virtualization Strategy Storage 130