The Netflix TechBlog

JUNE 14, 2023

Before GraphQL: Monolithic Falcor API implemented and maintained by the API Team Before moving to GraphQL, our API layer consisted of a monolithic server built with Falcor. A single API team maintained both the Java implementation of the Falcor framework and the API Server. To launch Phase 1 safely, we used AB Testing.

Traffic 357

Traffic Latency Metrics Cache 357

Dynatrace

MARCH 25, 2025

Load generators simulate traffic. Or maybe you want to correlate an event with other events in your system. Legacy servers pick up complexity and dependencies over time. Performance benchmarking Performance benchmarking is one of the unresolved mysteries of software engineering. Sometimes, you need heavyweight tools.

Benchmarking 147

Benchmarking Code Open Source Engineering 147

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

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

SEPTEMBER 29, 2021

A standard Docker container can run anywhere, on a personal computer (for example, PC, Mac, Linux), in the cloud, on local servers, and even on edge devices. This opens the door to auto-scalable applications, which effortlessly matches the demands of rapidly growing and varying user traffic. What is Docker? Networking. Observability.

Open Source 334

Open Source DevOps Traffic Cloud 334

Dynatrace

NOVEMBER 30, 2023

What was once an onslaught of consumer traffic between Black Friday and Cyber Monday has turned into a weeklong event, with most retailers offering deals well ahead of Black Friday. By focusing on the server, digital performance has become much more consistent, even under the weight of massive amounts of consumer load.

Retail 278

Retail Social Media Performance Benchmarking 278

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. So how do you know what to prepare for?

Traffic 285

Traffic Ecommerce Retail Government 285

Dynatrace

JULY 2, 2024

The Qualys Threat Research Unit (TRU) has discovered a Remote Unauthenticated Code Execution (RCE) vulnerability in OpenSSH server (sshd) in glibc-based Linux systems. Look for timeout events Exploitation attempts for this vulnerability can be identified by many lines of “Timeout before authentication” in the logs.

AWS 276

AWS Network Traffic Servers 276

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

DECEMBER 9, 2020

Application servers use connection pools to maintain connections with the databases that they communicate with. You can even integrate Dynatrace into your CI/CD pipeline using the Events API. This allows you to create a deployment event that contains all important details each time a new version is released.

Traffic 208

Traffic Performance Database Metrics 208

Scalegrid

SEPTEMBER 5, 2024

If the primary server encounters issues, operations are smoothly transitioned to a standby server with minimal interruption. Key Takeaways PostgreSQL automatic failover enhances high availability by seamlessly switching to standby servers during primary server failures, minimizing downtime, and maintaining business continuity.

Availability 257

Availability Servers Database Open Source 257

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

Scalegrid

AUGUST 22, 2019

Patroni also supports event notification with the help of callbacks, which are scripts triggered by certain actions. Supports event notifications via callbacks scripts triggered by certain actions. Standby Server Tests. Reboot the server. patronictl list did not display this server. Master/Primary Server Tests.

Availability 277

Availability Servers Network Testing 277

Dynatrace

JANUARY 28, 2021

With Dynatrace OneAgent you also benefit from support for traffic routing and traffic control. OneAgent implements network zones to create traffic routing rules and limit cross-data-center traffic. TCP Server. // Start TCP server. listener, _ := net.Listen("tcp", ":1234"). conn, _ := listener.Accept().

Traffic 242

Traffic Open Source Servers Cloud 242

Dynatrace

MARCH 22, 2021

To keep infrastructure and bare metal servers running smoothly, a long list of additional devices are used, such as UPS devices, rack cases that provide their own cooling, power sources, and other measures that are designed to prevent failures. Events and alerts. is the key to providing accurate root cause analysis.

Metrics 246

Metrics Network Infrastructure Traffic 246

Dynatrace

NOVEMBER 19, 2021

Problems API v2 now includes event evidence data as part of the event details. This eliminates certain timeout issues with Windows Server 2019 at boot. Custom events for alerting using the Build tab and advanced query mode now apply the same metric dimension limits that are applied to Code -tab-based configurations.

Metrics 246

Metrics Monitoring Traffic Servers 246

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 Strategy 264

Dynatrace

APRIL 25, 2023

For example, to handle traffic spikes and pay only for what they use. However, serverless applications have unique characteristics that make observability more difficult than in traditional server-based applications. Scale automatically based on the demand and traffic patterns. What are serverless applications?

Serverless 246

Serverless Lambda Azure AWS 246

Dynatrace

JULY 15, 2024

These include traditional on-premises network devices and servers for infrastructure applications like databases, websites, or email. You also might be required to capture syslog messages from cloud services on AWS, Azure, and Google Cloud related to resource provisioning, scaling, and security events.

Infrastructure 278

Infrastructure Network Azure Monitoring 278

Dynatrace

MAY 17, 2023

While the first guardian validates the traffic, the second guardian checks the business transactions generated during the observation period. The Workflows screenshot below shows that a task is triggered by a change event related to the application, execution of the guardians, and final aggregation of the results.

DevOps 246

DevOps Traffic Latency Best Practices 246

The Netflix TechBlog

SEPTEMBER 10, 2024

On Titus , our multi-tenant compute platform, a "noisy neighbor" refers to a container or system service that heavily utilizes the server's resources, causing performance degradation in adjacent containers. During this event, we generate a timestamp and store it in an eBPF hash map using the process ID as the key.

Latency 262

Latency Metrics Programming Monitoring 262

The Netflix TechBlog

AUGUST 16, 2023

It’s built on top of Netty , using event loops for non-blocking execution of requests, one loop per core. To reduce contention among event loops, we created connection pools for each, keeping them completely independent. For example, a 16-core box connecting to an 800-server origin would have 12,800 connections.

Traffic 178

Traffic Servers Google Metrics 178

The Netflix TechBlog

NOVEMBER 3, 2022

With traffic growth, a single leader node handling all request volume started becoming overloaded. We started seeing increased response latencies and leader servers running at dangerously high utilization. Let’s assume a sequence of events E?…E??, The solution is to flush all the events created up to time T? of the data.

Cache 233

Cache Latency Traffic Systems 233

Dynatrace

SEPTEMBER 5, 2024

Native support for Syslog messages Syslog messages are generated by default in Linux and Unix operating systems, security devices, network devices, and applications such as web servers and databases. 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

JUNE 25, 2020

Dynatrace Managed is intrinsically highly available as it stores three copies of all events, user sessions, and metrics across its cluster nodes. Minimized cross-data center network traffic. You can set up different proxy servers for the Mission Control uplink for each data center. Dynatrace news.

Availability 264

Availability Hardware Latency Traffic 264

Dynatrace

OCTOBER 20, 2020

Unlike other monitoring tools on the market, which don’t provide AI-driven anomaly detection and alerting, Dynatrace delivers real-time data to track the performance of your deployed apps and the characteristics of your client traffic. Receive alerts for any custom metric events in your Azure Deployment Slots .

Azure 173

Azure Cloud Traffic Metrics 173

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

Scalegrid

MAY 2, 2019

It is also recommended that SSL connections be enabled to encrypt the client-database traffic. With MongoDB deployments, failovers aren’t considered major events as they were with traditional database management systems. Testing Failover Behavior. Configuring the Network Timeout Values. during network issues and failovers.

Testing 55

Testing Network Database Servers 55

Dynatrace

AUGUST 16, 2022

Even worse, if your service logs record critical events such as errors in a non-standard way, those errors might go unnoticed by your observability team. Whether a web server, mobile app, backend service, or other custom application, log data can provide you with deep insights into your software’s operations and events.

Processing 246

Processing Metrics Monitoring Java 246

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

The Netflix TechBlog

APRIL 29, 2019

Content is placed on the network of servers in the Open Connect CDN as close to the end user as possible, improving the streaming experience for our customers and reducing costs for both Netflix and our Internet Service Provider (ISP) partners. Internally, we also built an event-driven platform that is fully written in Python.

Open Source 280

Open Source Network Infrastructure Big Data 280

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

JULY 21, 2020

Whether you need to make sure that your SQL database is listening on port 1433 even when there is no traffic, that your switch is responding to a ping or that your DNS server is up and running, the more devices you proactively monitor, the quicker you can react to unforeseen events. Platform extensions.

Infrastructure 213

Infrastructure Monitoring Open Source Traffic 213

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

Dynatrace

AUGUST 30, 2019

And while these events are a great opportunity for us Dynatracers to share our thoughts with our users, it’s also an amazing opportunity to for us to learn from our users about how they use Dynatrace to optimize digital experiences and digital operations in both the public and private sector. Dynatrace news. APAC Series.

Cache 214

Cache Database Architecture Government 214

The Morning Paper

NOVEMBER 15, 2020

Achieving 100 Gbps intrusion prevention on a single server , Zhao et al., Papers-we-love is hosting a mini-event this Wednesday (18th) where I’ll be leading a panel discussion including one of the authors of today’s paper choice: Justine Sherry. Moreover, Pigasus wants to do all this on a single server! OSDI’20.

Servers 128

Servers Hardware Latency Design 128

Dynatrace

MAY 17, 2023

Think about items such as general system metrics (for example, CPU utilization, free memory, number of services), the connectivity status, details of our web server, or even more granular in-application tasks like database queries. Let’s click “Apache Web Server apache” now.

Metrics 243

Metrics Database Monitoring Network 243