Smashing Magazine

FEBRUARY 12, 2025

Time To First Byte: Beyond Server Response Time Time To First Byte: Beyond Server Response Time Matt Zeunert 2025-02-12T17:00:00+00:00 2025-02-13T01:34:15+00:00 This article is sponsored by DebugBear Loading your website HTML quickly has a big impact on visitor experience. TCP: Establishing a reliable connection to the server.

Servers 78

Servers Latency Cache Website 78

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. Both serve distinct purposes, from managing message queues to ingesting large data volumes.

Latency 147

Latency Analytics Architecture Storage 147

The Netflix TechBlog

FEBRUARY 14, 2025

Every image you hover over isnt just a visual placeholder; its a critical data point that fuels our sophisticated personalization engine. This nuanced integration of data and technology empowers us to offer bespoke content recommendations. This queue ensures we are consistently capturing raw events from our global userbase.

Tuning 166

Tuning Latency Efficiency Storage 166

The Netflix TechBlog

SEPTEMBER 29, 2022

Timestone: Netflix’s High-Throughput, Low-Latency Priority Queueing System with Built-in Support for Non-Parallelizable Workloads by Kostas Christidis Introduction Timestone is a high-throughput, low-latency priority queueing system we built in-house to support the needs of Cosmos , our media encoding platform. Over the past 2.5

Latency 221

Latency Systems Media Serverless 221

Dynatrace

JUNE 25, 2020

The network latency between cluster nodes should be around 10 ms or less. With Dynatrace actively managing business-critical applications, some of our globally distributed enterprise customers require Dynatrace Managed to continue operating even when an entire data center goes down. Minimized cross-data center network traffic.

Availability 264

Availability Hardware Latency Traffic 264

High Scalability

FEBRUARY 17, 2021

This is guest post by Sachin Sinha who is passionate about data, analytics and machine learning at scale. Redis Server: 5.07, x86/64. MongoDB server: 4.4.2, BangDB server: 2.0.0, Load stage is to load the data and then run stage we run the test. Again Yugabyte latency is quite high. About YCSB. Beta, x86_64.

Benchmarking 308

Benchmarking Latency C++ Database 308

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

The Netflix TechBlog

MAY 4, 2023

It can happen on an edge API system servicing customer devices, between the edge and mid-tier services, or from mid-tiers to data stores. It provides a good read on the availability and latency ranges under different production conditions. Also, since this logic resides on the server side, we can iterate on any required changes faster.

Traffic 347

Traffic Latency Tuning Systems 347

CSS Wizardry

JANUARY 31, 2019

When it comes to network performance, there are two main limiting factors that will slow you down: bandwidth and latency. the maximum rate of data transfer across a given path. Latency is defined as…. how long it takes for a bit of data to travel across the network from one node or endpoint to another. The Time Column.

Latency 137

Latency Network Speed Servers 137

CSS Wizardry

AUGUST 7, 2019

A lot of people surmise that TTFB is merely time spent on the server, but that is only a small fraction of the true extent of things. The first—and often most surprising for people to learn—thing that I want to draw your attention to is that TTFB counts one whole round trip of latency. But what else is TTFB? Expect closer to 75ms.

Latency 270

Latency Ecommerce Servers Mobile 270

Scalegrid

APRIL 28, 2020

Does it affect latency? Yes, you can see an increase in latency. So, if you’re hosting your application in AWS or Azure and move your database to DigitalOcean, you will see an increase in latency. However, the average latencies between AWS US-East and the DigitalOcean New York datacenter locations are typically only 17.4

Azure 344

Azure AWS Database Latency 344

Dynatrace

MAY 17, 2023

OpenTelemetry , the open source observability tool, has become the go-to standard for instrumenting custom applications to collect observability telemetry data. For this third and final part of our series, we saved the best for last: How you can enhance telemetry data even more and with less effort on your end with Dynatrace OneAgent.

Metrics 243

Metrics Database Monitoring Network 243

CSS Wizardry

OCTOBER 16, 2023

Concatenating our files on the server: Are we going to send many smaller files, or are we going to send one monolithic file? Plotted on the same horizontal axis of 1.6s, the waterfalls speak for themselves: 201ms of cumulative latency; 109ms of cumulative download. 4,362ms of cumulative latency; 240ms of cumulative download.

Cache 348

Cache Latency Strategy Speed 348

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. To emit a run queue latency metric, we leveraged three eBPF hooks: sched_wakeup, sched_wakeup_new, and sched_switch.

Latency 262

Latency Metrics Programming Monitoring 262

Dynatrace

JANUARY 15, 2020

Citrix is a sophisticated, efficient, and highly scalable application delivery platform that is itself comprised of anywhere from hundreds to thousands of servers. Dynatrace Extension: database performance as experienced by the SAP ABAP server. SAP server. It delivers vital enterprise applications to thousands of users.

Latency 52

Latency Performance Virtualization Infrastructure 52

Scalegrid

APRIL 23, 2021

Redis stands for REmote DIctionary Server, created in 2009 by Salvatore Sanfilippo. Both Redis and Memcached are: NoSQL in-memory data structures Written in C Open source Used to speed up applications Support sub-millisecond latency In 2014, Salvatore wrote an excellent StackOverflow post on […].

Open Source 264

Open Source Latency C++ Speed 264

Dynatrace

DECEMBER 27, 2022

SLOs can be a great way for DevOps and infrastructure teams to use data and performance expectations to make decisions, such as whether to release and where engineers should focus their time. This telemetry data serves as the basis for establishing meaningful SLOs. SLOs aid decision making. SLOs promote automation. Reliability.

Software 306

Software Software Benchmarking Latency 306

DZone

AUGUST 16, 2023

Caching is the process of storing frequently accessed data or resources in a temporary storage location, such as memory or disk, to improve retrieval speed and reduce the need for repetitive processing. Bandwidth optimization: Caching reduces the amount of data transferred over the network, minimizing bandwidth usage and improving efficiency.

Cache 246

Cache Scalability Performance Latency 246

Dynatrace

APRIL 10, 2025

Integrating data at an OS-agnostic cluster level is another hurdle, often leading to data silos and incomplete visibility. In the env parameter JAVA_TOOL_OPTIONS , set the agentpath to the location where the oneagentloader.dll has been unzipped and also add the tenantID and tenanttoken , and server (communication) endpoint.

Performance 147

Performance Java Operating System Infrastructure 147

CSS Wizardry

APRIL 22, 2020

decrease in file-size with zero loss of data. This is because file-size is only one aspect of web performance, and whatever the file-size is, the resource is still sat on top of a lot of other factors and constants—latency, packet loss, etc. Ten TCP segments equates to roughly 14KB of data. That’s a 2.8× packet loss).

Latency 302

Latency Servers Website Speed 302

Dynatrace

SEPTEMBER 29, 2020

A critical component to this success was that the Dynatrace Team itself uses the Dynatrace Platform to monitor every single Dynatrace cluster in the cloud and trusts the Dynatrace Davis AI to alert in case there are any issues, either with a new feature, a configuration change or with the infrastructure our servers are running on.

Infrastructure 259

Infrastructure Cloud Monitoring AWS 259

The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. Requirements In a previous blog post, we discussed Delta , a data enrichment and synchronization platform.

Database 221

Database Traffic Transportation Open Source 221

High Scalability

JANUARY 11, 2022

When the server receives a request for an action (post, like etc.) from a client it performs two parallel operations: i) persisting the action in the data store ii) publish the action in a streaming data store for a pub-sub model. The streaming data store makes the system extensible to support other use-cases (e.g.

Design 334

Design Media Storage Logistics 334

The Netflix TechBlog

DECEMBER 17, 2019

Andreas Andreakis , Ioannis Papapanagiotou Overview Change-Data-Capture (CDC) allows capturing committed changes from a database in real-time and propagating those changes to downstream consumers [1][2]. Requirements In a previous blog post, we discussed Delta , a data enrichment and synchronization platform.

Database 206

Database Traffic Transportation Open Source 206

The Netflix TechBlog

NOVEMBER 3, 2022

We introduce a caching mechanism in the API gateway layer, allowing us to offload processing from singleton leader elected controllers without giving up strict data consistency and guarantees clients observe. Active data includes jobs and tasks that are currently running. Titus Gateway handles user requests.

Cache 233

Cache Latency Traffic Systems 233

Dynatrace

OCTOBER 10, 2022

Despite the name, serverless computing still uses servers. This means companies can access the exact resources they need whenever they need them, rather than paying for server space and computing power they only need occasionally. If servers reach maximum load and capacity in-house, something has to give before adding new services.

Serverless 241

Serverless Infrastructure Lambda Latency 241

Dynatrace

APRIL 5, 2021

The 2014 launch of AWS Lambda marked a milestone in how organizations use cloud services to deliver their applications more efficiently, by running functions at the edge of the cloud without the cost and operational overhead of on-premises servers. Data entering a stream. What is AWS Lambda? Where does Lambda fit in the AWS ecosystem?

Lambda 258

Lambda AWS Serverless Hardware 258

The Netflix TechBlog

SEPTEMBER 10, 2024

By Karthik Yagna , Baskar Odayarkoil , and Alex Ellis Pushy is Netflix’s WebSocket server that maintains persistent WebSocket connections with devices running the Netflix application. This allows data to be sent to the device from backend services on demand, without the need for continually polling requests from the device.

Latency 234

Latency Cache Tuning Efficiency 234

Dynatrace

APRIL 7, 2023

Customers can use AWS Lambda Response Streaming to improve performance for latency-sensitive applications and return larger payload sizes. The difference is the owner of the Lambda function does not have to worry about provisioning and managing servers. Return larger payload sizes.

Lambda 246

Lambda AWS Serverless Latency 246

Dynatrace

JANUARY 17, 2024

And an O’Reilly Media survey indicated that two-thirds of survey respondents have already adopted generative AI —a form of AI that uses training data to create text, images, code, or other types of content that reflect its users’ natural language queries. AI performs frequent data transfers. AI requires more compute and storage.

Strategy 288

Strategy Artificial Intelligence Storage Cloud 288

Dynatrace

DECEMBER 4, 2023

Resource consumption: Observing computational resource availability and saturation, whether deployed in cloud-native environments like Kubernetes or CPU-enabled servers. Data quality and drift: Monitoring the quality and characteristics of training and runtime data to detect significant changes that might impact model accuracy.

Open Source 279

Open Source Metrics Java Latency 279

The Netflix TechBlog

MARCH 5, 2024

Reduced tail latencies In both our GRPC and DGS Framework services, GC pauses are a significant source of tail latencies. That’s particularly true of our GRPC clients and servers, where request cancellations due to timeouts interact with reliability features such as retries, hedging and fallbacks.

Latency 237

Latency Java Tuning Efficiency 237

Dynatrace

JUNE 7, 2023

This is achieved by using OpenAI services to compute numerical representations of text data that ease the computation of text similarity, called “embeddings,” for the documents as well as for the user input. Our example dashboard below visualizes OpenAI token consumption.

Monitoring 241

Monitoring Latency Metrics Azure 241

Dynatrace

DECEMBER 15, 2022

Complex cloud computing environments are increasingly replacing traditional data centers. In fact, Gartner estimates that 80% of enterprises will shut down their on-premises data centers by 2025. Computer operations manages the physical location of the servers — cooling, electricity, and backups — and monitors and responds to alerts.

Artificial Intelligence 246

Artificial Intelligence DevOps Hardware Virtualization 246

Dynatrace

MAY 31, 2023

Maintaining reliable uptime and consistent service quality has become more complex as organizations expand their computing footprints across multiple data centers and in the cloud. The growing amount of data processed at the network edge, where failures are more difficult to prevent, magnifies complexity.

Best Practices 246

Best Practices DevOps Latency Metrics 246

Dynatrace

APRIL 25, 2023

However, serverless applications have unique characteristics that make observability more difficult than in traditional server-based applications. Serverless applications have several benefits over server-based applications: Eliminate the need to provision, manage and maintain servers or containers.

Serverless 246

Serverless Lambda Azure AWS 246

Dynatrace

MAY 17, 2023

In this case, the four golden signals (latency, traffic, errors, and saturation) are derived from span attributes and DQL metric queries via Dynatrace Grail™. The queries are depicted below (sensitive data has been removed).

DevOps 246

DevOps Traffic Latency Best Practices 246