Speed Curve

FEBRUARY 5, 2024

Server-timing headers are a key tool in understanding what's happening within that black box of Time to First Byte (TTFB). Cue server-timing headers Historically, when looking at page speed, we've had the tendency to ignore TTFB when trying to optimize the user experience. I mean, why wouldn't we?

Servers 57

Servers Cache Benchmarking Retail 57

DZone

MARCH 24, 2021

We typically understand software testing by the everyday definition of the word: making sure a piece of software performs the way it is supposed to in a production-like environment. The first category would fall under integration testing, and you definitely need that. Or is there? with a username and password).

Testing 181

Testing Design Software Performance Database 181

Dynatrace

NOVEMBER 30, 2023

In the past, I tried to understand where in the page-loading process was the majority of time spent. When we look at the combined tests above, the average server-side response time (measured as first byte time, or the amount of time it takes to get the first packet of data in response to a request) is 397 milliseconds.

Retail 234

Retail Social Media Performance Benchmarking 234

The Netflix TechBlog

SEPTEMBER 3, 2021

When we process a request it is often beneficial to know which fields the caller is interested in and which ones they ignore. By default, gRPC uses protobuf as its IDL (interface definition language) and data serialization protocol. Our protobuf message definition (.proto FieldMask is a protobuf message.

Design 246

Design Java Code Servers 246

Dynatrace

MAY 12, 2022

Remediation tracking now enables you to view the risk assessment for the process groups affected by a vulnerability. 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. Application Security. Dashboards. APM-368026).

Tuning 206

Tuning Metrics Cloud Mobile 206

Scalegrid

JUNE 14, 2024

Microsoft Power BI and MySQL are two powerful tools that can facilitate this process. In this article, we will explore the process of how to connect MySQL to Power BI, a leading business intelligence tool. This streamlined data integration simplifies the process of data analysis and ensures consistency and accuracy in reporting.

Database 130

Database Azure Efficiency Servers 130

Scalegrid

FEBRUARY 15, 2024

Each section is crafted to elevate your database’s security protocol, from acquiring the necessary SSL certificates to configuring server and client connections. Preparing SSL Certificates for MongoDB The SSL certificates are necessary for our MongoDB server to establish secure SSL/TLS communications.

Servers 130

Servers Best Practices Government Network 130

Dynatrace

JULY 11, 2023

IBM Power servers enable customers to respond faster to business demands, protect data from core to cloud, and streamline insights and automation. It simplifies the process of setting up and maintaining Dynatrace observability by encapsulating the necessary configuration and operational logic into a single entity.

Architecture 178

Architecture Availability Infrastructure Monitoring 178

Dynatrace

FEBRUARY 14, 2022

Multiple Prometheus servers might be required, creating significant maintenance efforts. Alternatively, if you’re already using a Prometheus Server to gather data from your distributed systems, you can now seamlessly make this data work for you in Dynatrace as well—use your Prometheus server as the endpoint for scraping metrics.

Technology 229

Technology Technology Metrics Infrastructure 229

Percona

APRIL 4, 2023

Those are a lot more common and may be in your table definitions, so your upgrade process will be harder. If you try to use a reserved word, the server will not explicitly admonish you that you are trying to use a reserved word. Instead, the server informs you that you have a syntax error. Yes, there is a workaround.

Open Source 121

Open Source Database Servers Scalability 121

Percona

JULY 19, 2023

In the world of modern DevOps, deployment automation tools have become essential for streamlining processes and ensuring consistent, reliable deployments. GitOps and ArgoCD are at the cutting edge of deployment automation, making it easy to deploy complex applications and reducing the risk of human error in the deployment process.

Servers 83

Servers Best Practices DevOps Open Source 83

SQL Performance

SEPTEMBER 29, 2021

A common requirement in ETL and various reporting scenarios is to quietly load a SQL Server staging table in the background, so users querying the data aren’t impacted by the writes and vice-versa. Refreshing Tables in SQL Server. SQL Server Partition Switching Example. definition , 500 ) FROM sys. session_id , o.

Servers 55

Servers Games Database Processing 55

SQL Performance

JANUARY 20, 2022

All through my career as a data professional, both inside Microsoft and as a consultant, I’ve found one of the most misunderstood parts of a SQL Server database is the transaction log. When I’m talking about any mechanism in SQL Server, I find there’s a chicken-and-egg problem where I need to use a word or phrase before I’ve explained it.

Servers 54

Servers Database Architecture Performance 54

The Netflix TechBlog

MAY 19, 2023

A cleanup process to prune stale relationships from the database. The community’s excitement and interest became apparent through comments, reactions, and conversations on the SpiceDB Discord server. “can app bar in us-west-2 access this document.” What was problematic about this design? with which to experiment.

Cache 252

Cache Google Open Source Systems 252

Percona

JULY 25, 2023

The data is internally inconsistent because the server concurrently modifies the data files while they are being copied. The changes done by an uncommitted transaction can be flushed or written to the redo log by the server. So, given a table_id, how do you get the table schema/definition? For that, we have to use undo logs.

Cache 89

Cache Servers Benchmarking Design 89

The Netflix TechBlog

JULY 30, 2019

Many of the Netflix Content and Studio Engineering services rely on Conductor for efficient processing of their business flows. Adoption As of writing this blog, Conductor orchestrates 600+ workflow definitions owned by 50+ teams across Netflix. The Netflix Media Database (NMDB) is one such example.

Lambda 191

Lambda Media Open Source Metrics 191

The Netflix TechBlog

FEBRUARY 9, 2021

In the process, we changed end-to-end identity propagation within the network of services to use a cryptographically-verifiable token-agnostic identity object. The API server orchestrates backend systems to authenticate the user. Critical identity data was being propagated throughout the server ecosystem in an inconsistent fashion.

Architecture 226

Architecture Latency Servers Website 226

Percona Community

NOVEMBER 29, 2023

After completing the deployment process, I noticed that the status of the Custom Resource Definition for Percona Server for MongoDB was still displaying as ‘initializing’ and two of our Pods remained in a Pending state. Last week, I embarked on the task of deploying our Percona Operator for MongoDB in Kubernetes.

Servers 77

Servers Processing 77

Alex Podelko

AUGUST 18, 2019

While there are still quite a lot of cases where it is still applicable, it needs to evolve into more sophisticated processes tightly integrated with development and other parts of performance engineering. Yes, the tools and process should be easier for non-experts to incorporate some performance testing into continuous development process.

Performance Testing 243

Performance Testing Testing Performance Testing Tools 243

The Netflix TechBlog

JUNE 13, 2023

Migrating Critical Traffic At Scale with No Downtime — Part 2 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Picture yourself enthralled by the latest episode of your beloved Netflix series, delighting in an uninterrupted, high-definition streaming experience.

Traffic 282

Traffic Metrics Systems Strategy 282

Dynatrace

JULY 15, 2024

Are the hosts on which OneAgent can’t be deployed for technical reasons (for example, a legacy OS) or security-related reasons (for example, systems processing financial information and third party vendors) up and running? into NAM test definitions. Are the corresponding services running on those hosts?

Availability 242

Availability Network Monitoring Infrastructure 242

The Netflix TechBlog

AUGUST 22, 2019

Baking Windows with Packer By Justin Phelps and Manuel Correa Customizing Windows images at Netflix was a manual, error-prone, and time consuming process. We looked at our process for creating a Windows AMI and discovered it was error-prone and full of toil. Last year, we decided to improve the AMI baking process.

DevOps 209

DevOps AWS Tuning Infrastructure 209

SQL Performance

AUGUST 23, 2019

In traditional row-mode execution plans, SQL Server may introduce a Bitmap operator as part of performing early semi join reduction before a parallel hash or merge join. There have been major improvements since the first appearance of the batch mode execution engine in SQL Server 2012. Background. The Query Optimizer. Bitmap Choice.

Servers 75

Servers Engineering Efficiency Retail 75

CSS Wizardry

DECEMBER 9, 2023

Connection overhead isn’t huge , but too many preconnect s that either a) aren’t critical, or b) don’t get used at all, is definitely wasteful. Further, opening and persisting connections has a CPU overhead on both the client and the server.

Speed 256

Speed Network Analytics Availability 256

Percona

JULY 25, 2023

You can choose to save them locally on the same server, stream them to different servers, or store them in object storage. STDOUT Datasink This diagram displays the process of streaming a backup to object storage utilizing the current STDOUT datasink: XtraBackup spawns multiple copy threads. FIFO ( 8 pipes) – Utilized 1.15

Storage 82

Storage Speed Open Source Servers 82

Dynatrace

FEBRUARY 16, 2023

There are many definitions of environmental sustainability, most of which converge on a common theme: collectively and individually, we have a responsibility to act to protect global ecosystems and support health and wellbeing, now and in the future. Average cloud server idle time exceeds 70%.

Energy 195

Energy Airlines Analytics Transportation 195

Dynatrace

MAY 17, 2023

When software runs in a monolithic stack on on-site servers, observability is manageable enough. For the HTTP request, we add the request headers we sent, as well as certain details from the response, such as the status code, the length of the response, and server information.

Metrics 193

Metrics Open Source Traffic Cache 193

Scalegrid

APRIL 5, 2024

The purpose is scaling out distributed systems effectively and offering improved management and performance while processing numerous keys. Unlike replication, which merely copies data from one place to another, sharding entails horizontally partitioning the database into separate segments or shards placed on different servers.

Scalability 130

Scalability Java Efficiency Database 130

Dynatrace

NOVEMBER 14, 2023

These small wins, such as implementing a blameless root cause analysis process, can take many forms and don’t necessarily involve numerical metrics. This is made possible through generative AI’s natural language processing capabilities. For organizations building business-centric SLOs, Aguiar had some recommendations. “If

Best Practices 205

Best Practices Engineering DevOps Software Engineering 205

Dynatrace

AUGUST 16, 2019

As microservices and automation continue to drive API usage, most organizations have either already introduced, or plan to introduce, an API testing process. By definition RESTful APIs should be stateless, meaning that each request should be individually validated for authentication/authorization by the receiving server.

Monitoring 158

Monitoring Tuning Google Testing 158

Dynatrace

DECEMBER 15, 2022

Typically, these are streamed to a central syslog server. One option is to install OneAgent on that syslog server, which automatically discovers, instruments and sends the log data to the Dynatrace platform. Syslog is a popular standard for transporting and Ingesting log messages. Ingest AWS Fargate logs with Fluent Bit.

Strategy 193

Strategy AWS Open Source Transportation 193

Percona

AUGUST 30, 2023

The most common parameter used by the PostgreSQL server (postmaster) will be PGDATA, which sets the parameter data_directory. Here is an example: $ export PGDATA=/home/postgres/data $ export PGPORT=5434 $ pg_ctl start waiting for server to start.2023-08-04 But changing this is possible only at the server startup.

Database 107

Database Servers Open Source Tuning 107

Randon ASCII

AUGUST 30, 2020

Sometimes tracking down a bug is as simple as paying attention to server dashboards, spending a few minutes in a profiler, or looking at compiler warnings. Server CPU Surprise. A few years ago I spent a few weeks doing some memory investigations on live game servers. The first server process that I profiled was… odd.

Games 142

Games Servers Code Monitoring 142

Dynatrace

APRIL 21, 2022

If you still use the legacy version of Log Monitoring ( Log Monitoring v1 ), the Log Monitoring v1 documentation is still available, but we strongly encourage you to switch to the latest Dynatrace Log Monitoring version and gain direct access to the log content of all your mission-critical processes. Kubernetes/OpenShift workload/pod details.

Azure 228

Azure Metrics AWS Monitoring 228

Dynatrace

NOVEMBER 3, 2021

Monitoring , by textbook definition, is the process of collecting, analyzing, and using information to track a program’s progress toward reaching its objectives and to guide management decisions. Log entries describe events, such as starting a process, handling an error, or simply completing some part of a workload.

Monitoring 234

Monitoring Metrics DevOps Scalability 234

Abhishek Tiwari

SEPTEMBER 21, 2024

Definition: A randomized algorithm (M) satisfies (ε, δ)-differential privacy if for all datasets (D_1) and (D_2) differing on at most one element, and all (S subseteq Range(M)): [P(M(D_1) in S) leq e^varepsilon cdot P(M(D_2) in S) + delta] where (P) denotes probability. With Central DP, Raw data is sent to the trusted curator.

Government 52

Government Processing Servers Engineering 52

The Netflix TechBlog

OCTOBER 7, 2021

Hence, it became important to supplement our release decisions with strong evidence received from the field during the update process. In contrast, a server application runs on servers which are typically identical and a routing abstraction can serve sampled traffic to new versions.

Metrics 203

Metrics Mobile Testing Strategy 203