The Netflix TechBlog

JANUARY 6, 2025

While this is a critical business need and we definitely should solve it, its essential to evaluate how it stacks up against other priorities across different areas of the organization. Defining TitleHealth Navigating such an ambiguous space required a shared understanding to foster clarity and collaboration.

Scalability 219

Scalability Cache Engineering Systems 219

Percona

JANUARY 22, 2025

Occasionally, we may need to modify the table definition. Large tables can pose challenges for many operations when working with a database. Since RDS replication does not use asynchronous for its replication, the typical switchover procedure is not feasible.

Database 117

Database Availability AWS Cloud 117

DZone

AUGUST 8, 2024

Key definitions can be summarized as follows: Understanding the key distinctions between these two processing paradigms is crucial for organizations to make informed decisions and harness the full potential of their data.

Processing 275

Processing Architecture Design 275

The Netflix TechBlog

DECEMBER 3, 2022

Workflow Definitions Below you can see a typical file structure of a sample workflow package written in SparkSQL. ??? In every sample workflow package there are three workflow definition files that work together to provide flexible functionality. See an example high water mark job from the main workflow definition. -

Best Practices 361

Best Practices Code Testing Data Engineering 361

Dynatrace

JANUARY 17, 2022

A new preview section enables you to test the definition iteratively against actual values before creating the SLO. On the Service-level objectives page, the Actions > Edit SLO entry has been renamed SLO definition. Removed seven-day preview from create/edit custom event for alerting pages.

Metrics 246

Metrics Monitoring Availability Testing 246

Dynatrace

APRIL 4, 2025

Unlike traditional setups that require predefined schemas, Grail allows you to store diverse data types without schema definitions at any point, providing greater flexibility in any analytic situation. The Grail architecture ensures scalability, making log data accessible for detailed analysis regardless of volume.

Analytics 147

Analytics Operating System Scalability Infrastructure 147

Percona

MARCH 24, 2025

Pro introduces improvements in how DDL (Data Definition Language) locks (aka Backup Locks) are managed, allowing for reduced locking during backups. When performing backups, reducing the amount of time your server is locked can significantly improve performance and minimize disruptions. Percona XtraBackup 8.4 TL;DR (Summary) […]

Servers 110

Servers Performance Development Software 110

DZone

JULY 19, 2021

The quality can be subjective, so different teams may use different definitions based on the context. Code Quality defines that the code is good, which means code is of high quality, and code is bad, which means code is of low quality. Keeping good code quality is also crucial for developing safety-critical systems.

Code 278

Code Metrics Testing Systems 278

Dynatrace

JULY 22, 2022

Policy management: The first step is the definition of policies. Dynatrace Identity and Access Management (IAM) provides a native policy definition language. In the case of Cloud Automation, the same policy definition applies and additional granularity can now be scoped.

Cloud 246

Cloud DevOps Best Practices Engineering 246

DZone

SEPTEMBER 11, 2021

Everyone has their own definition of true leadership. What I didn't understand at the start of my leadership journey was that each of us is a leader. Regardless of intent, we influence and impact our communities, industries, workplaces, and relationships. Yet, often we don't understand the importance or impact of simply being present.

Engineering 289

Engineering Systems Development 289

Dynatrace

JANUARY 21, 2025

The secret YAML definition looks like this: apiVersion: v1 kind: Secret metadata: name: otel-collector-secret namespace: data: DT_TOKEN: DT_TENANT: type: "Opaque" Both DT_TOKEN and DT_TENANT values must be base64 encoded before being added to the secrets YAML. dynatrace/dynatrace-otel-collector/dynatrace-otel-collector:0.7.0

Metrics 253

Metrics Education Cloud Programming 253

DZone

DECEMBER 16, 2020

First of all, a quick definition of Remote Configuration: It is a way to customize the behaviour of a desired system based on certain parameters that are stored on a remote location.

Systems 255

Systems 255

Dynatrace

APRIL 15, 2025

Observability is definitely here to stay! For example, this years Southern California Linux Expo ( ScALE ) had a dedicated observability track for the first time. KubeCon also has a dedicated observability track , and the Observability Day co-located event now has two tracks. KubeCon Day 1 Keynotes!

Open Source 260

Open Source Energy Benchmarking Tuning 260

DZone

JULY 5, 2019

Regression Testing, by its definition, is a type of software testing to confirm that a recent program or code change has not adversely affected existing features. It is done to make sure that the existing application is intact with the newly added features and nothing is broken.

Testing Tools 249

Testing Tools Testing Programming Code 249

Dynatrace

JULY 22, 2020

Extensible admission lets us change the definition of a pod after the pod is authorized but before it’s scheduled to run. If your custom resource-definition targets the pod’s namespace, OneAgent will be injected before it starts. Cloud-native injection with admission controllers. If not, the pod will remain as is.

Government 243

Government Innovation Strategy Speed 243

The Netflix TechBlog

SEPTEMBER 3, 2021

By default, gRPC uses protobuf as its IDL (interface definition language) and data serialization protocol. Our protobuf message definition (.proto link] When the protobuf compiler (protoc) compiles this message definition, it creates the code in the language of your choice (Java in our example). FieldMask is a protobuf message.

Design 246

Design Java Code Servers 246

DZone

AUGUST 31, 2023

For example, a Custom Resource Definition (CRD) must exist before any custom resources of that type can be created. When deploying Kubernetes resources in a cluster, it is sometimes necessary to deploy them in a specific order.

239

239

Dynatrace

APRIL 13, 2021

Definition of an update window with daily recurrence. Definition of update window with monthly recurrence. Definition of update window with weekly recurrence – please note the selection of days of the week. Definition of a OneAgent maintenance window with no recurrence (i.e., a one-off event). a one-off event).

Processing 264

Processing Monitoring Performance Availability 264

Dynatrace

FEBRUARY 9, 2023

We recently extended the pre-shipped code-level API definitions to group logical parts of our code so they’re consistently highlighted in all code-level views. Another benefit of defining custom APIs is that the memory allocation and surviving object metrics are split by each custom API definition.

Java 246

Java Metrics Servers Code 246

Dynatrace

NOVEMBER 10, 2021

In a recent FedScoop panel Brett Vaughn, Navy Chief AI Officer, and Willie Hicks, Federal CTO for Dynatrace discuss this up-and-coming technology including: Their definition of AI. Artificial Intelligence (AI) is a complex, rapidly growing technology. How AI is used in the Navy. How do you define AI?

Artificial Intelligence 246

Artificial Intelligence Government Technology Technology 246

The Netflix TechBlog

APRIL 8, 2025

Verifying Correctness Verifying that the new method has eliminated misattribution is challenging due to the lack of a definitive source of truth for workload dependencies to validate flow logs against; the flow logs themselves are intended to serve as this source of truth, after all.

AWS 188

AWS Traffic Network Programming 188

DZone

NOVEMBER 22, 2022

Let's rephrase it, and make this definition a little simpler and closer to software development. Wiki-defined Big O notation is a mathematical notation that describes the limiting behaviour of a function when the argument tends towards a particular value or infinity.

Programming 246

Programming Software Software Development 246

Dynatrace

MARCH 31, 2020

By investigating these questions, we distilled these two pain points: Following definition of application detection rules, some users don’t see traffic from the correct URLs in the corresponding Dynatrace applications (i.e., the application profiles that are listed on the Applications page).

Traffic 246

Traffic Mobile Monitoring Design 246

Dynatrace

MAY 19, 2022

Feature flag solutions currently use proprietary SDKs with frameworks, definitions, and data/event types that are unique to their platforms. The specification focuses primarily on feature flag evaluation in application code, leaving the definition and management of feature flags up to the feature flag management system.

Java 290

Java Cloud Code Technology 290

DZone

AUGUST 6, 2021

The small product or projects can be covered up with manual testing but the products or applications that are huge in amount of features definitely require automation testing to provide maximum test coverage in minimum time.

Testing 246

Testing Programming 246

The Netflix TechBlog

FEBRUARY 9, 2022

The important thing is that this business logic can be built in a separate repository and maintained independently from the workflow definition. ACID deployment : for every scheduler workflow definition change, we would like to have all the workflow assets bundled in an atomic, durable, isolated and consistent manner.

Storage 210

Storage Data Engineering Testing Code 210

DZone

JULY 18, 2023

But having spent half a decade stewarding a Ruby monolith from 20 to 200 engineers and watched its modest 10GB Postgres database grow beyond 5TB, there’s definitely a point where the pain outweighs the benefits.

Architecture 225

Architecture Network Database Engineering 225

The Netflix TechBlog

FEBRUARY 14, 2025

This refined output is then structured using an Avro schema, establishing a definitive source of truth for Netflixs impression data. It filters out any invalid entries and enriches the valid ones with additional metadata, such as show or movie title details, and the specific page and row location where each impression was presented to users.

Tuning 166

Tuning Latency Efficiency Storage 166

Dynatrace

AUGUST 27, 2024

To help determine how customers can comply with DORA requirements, DORA’s articles can be classified in the following three categories: Definition : Describes terms and the scope of the act. Classifying requirements in the DORA framework DORA defines a wide range of requirements for organizations to achieve compliance.

Best Practices 290

Best Practices Government DevOps Analytics 290

Dynatrace

MAY 12, 2022

The title size of a tile has been moved from the dashboard definition to the dashboard metadata definition and included in the advanced settings UI for dashboards. Remediation tracking now enables you to view the risk assessment for the process groups affected by a vulnerability. Dashboards. Dynatrace API.

Tuning 246

Tuning Metrics Cloud Mobile 246

Dynatrace

APRIL 22, 2021

However, Kim underlined there is no single definition of DevOps, referring to one of his earlier works, The DevOps Handbook , where the practice was described as “architectural practices, technical practices, and cultural norms that allow us to increase our ability to deliver applications and services quickly and safely.”. Barriers to DevOps.

DevOps 264

DevOps Technology Technology Innovation 264

Dynatrace

MARCH 17, 2021

you can now ingest data more easily at scale and derive the topological context along with the topology definition. At the same time, expect more capabilities (for example, topology definitions, technology definitions, complex metrics, log patterns, log event metrics, and more) to become available for extending.

Metrics 243

Metrics Monitoring Network Technology 243

DZone

OCTOBER 26, 2021

Everyone has their own definition of true leadership. What I didn't understand at the start of my leadership journey was that each of us is a leader. Regardless of intent, we influence and impact our communities, industries, workplaces, and relationships. Yet, often we don't understand the importance or impact of simply being present.

Engineering 241

Engineering Systems Development Performance 241

The Netflix TechBlog

OCTOBER 18, 2022

We want users to rely on shared templates and reuse their workflow definitions across their team, saving time and effort on creating the same functionality. Maestro high level architecture In Maestro, a workflow is a DAG (Directed acyclic graph) of individual units of job definition called Steps.

Java 211

Java Scalability Traffic Architecture 211

The Netflix TechBlog

JULY 26, 2021

With this in mind, the Studio Tech Solutions focused efforts in building Genesis , a Semantic Data Layer that allows the team to map data points in Data Source Definitions defined as YAML files and then use those to generate the SQL needed for the trackers, based on a selection of fields, filters and formatters specified in an Input Definition file.

Big Data 257

Big Data Government Processing Analytics 257

Alex Podelko

AUGUST 18, 2019

Of course, more sophisticated tools may definitely do better job in creating a simple and intuitive interface (still providing a way to invoke more sophisticated functionality when needed). One of main challenges is definitely scripting and scripts fragility. But it doesn’t mean that we need tools with minimal functionality.

Performance Testing 243

Performance Testing Testing Performance Testing Tools 243

Dynatrace

DECEMBER 2, 2021

On the Service-level objectives page, the Actions > Edit SLO entry has been renamed SLO definition. It opens the corresponding SLO on the Service-level objective definitions page, where you can view or edit the SLO definition (depending on your permissions). Service-level objectives.

Lambda 246

Lambda Azure Metrics Monitoring 246