Dynatrace

APRIL 7, 2022

Spring Boot, on the other hand, is a Java framework for building cloud-native Java applications. Micrometer uses a registry to export metrics to monitoring systems. Micrometer is used for instrumenting both out-of-the-box and custom metrics from Spring Boot applications. Here’s how it works. of Micrometer.

Metrics 130

Metrics Latency Java Cache 130

The Netflix TechBlog

MAY 14, 2021

However, they are scattered across multiple systems, and there isn’t an easy way to tie related messages together. You’re joining tables, resolving status types, cross-referencing data manually with other systems, and by the end of it all you ask yourself why? Things got hairy.

Traffic 160

Traffic Latency Java Google 160

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two.

Speed 126

Speed Java AWS Virtualization 126

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. DNS query time indicates the average response times of DNS requests across the system.

Metrics 176

Metrics Monitoring Database Network 176

The Netflix TechBlog

OCTOBER 19, 2020

which is difficult when troubleshooting distributed systems. If we had an ID for each streaming session then distributed tracing could easily reconstruct session failure by providing service topology, retry and error tags, and latency measurements for all service calls.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

The Netflix TechBlog

SEPTEMBER 8, 2020

service with a composable JavaScript API that made downstream microservice calls, replacing the old Java API. Java…Script? As Android developers, we’ve come to rely on the safety of a strongly typed language like Kotlin, maybe with a side of Java. It was a Node.js

Latency 233

Latency Cache Java Traffic 233

The Netflix TechBlog

AUGUST 29, 2023

To improve availability, we designed systems where components could fail separately and avoid single points of failure. Second, we’ve moved from a Java-only environment to a Polyglot one: we now also support node.js , Python , and a variety of OSS and off the shelf software. First, we’ve grown the number of different IPC clients.

Traffic 220

Traffic Latency Cloud C++ 220

The Morning Paper

MAY 12, 2019

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., Systems built with lots of microservices have different operational characteristics to those built from a small number of monoliths, we’d like to study and better understand those differences.

Open Source 61

Open Source Hardware Benchmarking Systems 61

High Scalability

JULY 20, 2018

The third wing of the architecture piece is the “domain specific system-on-chip.” tef : You can use a message broker to glue systems together, but never use one to cut systems apart. crabbone : This is the prism through which Java programmers view the world. Some say MRAM will never work in automotive.

Internet 121

Internet Internet Scalability Automotive 121

The Netflix TechBlog

FEBRUARY 9, 2021

The whole system was quite complex, and starting to become brittle. The API server orchestrates backend systems to authenticate the user. Upstream systems had to reopen the tokens to identify the user logging in and potentially manage multiple parallel identity data structures, which could easily get out of sync.

Architecture 221

Architecture Latency Servers Website 221

Dynatrace

JULY 10, 2019

What Dynatrace deployment is the best fit for your technology stack, and is the OneAgent compatible with your system? With insights from Dynatrace into network latency and utilization of your cloud resources, you can design your scaling mechanisms and save on costly CPU hours. OneAgent & application metrics.

Java 140

Java Best Practices Metrics Azure 140

The Netflix TechBlog

JULY 26, 2021

This happens at an unprecedented scale and introduces many interesting challenges; one of the challenges is how to provide visibility of Studio data across multiple phases and systems to facilitate operational excellence and empower decision making. CDC events can also be sent to Data Mesh via a Java Client Producer Library.

Big Data 253

Big Data Government Analytics Processing 253

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two.

Speed 52

Speed Java AWS Virtualization 52

The Netflix TechBlog

DECEMBER 21, 2020

Use cases We found several use cases where a system like AutoOptimize can bring tons of value. Merge As the data lands into the data warehouse through real-time data ingestion systems, it comes in different sizes. In AutoOptimize, the service is a cluster of Java (Spring Boot) applications using Redis to keep the states.

Storage 203

Storage Latency Efficiency Data Engineering 203

Dynatrace

JANUARY 18, 2023

This methodology aims to improve software system reliability using several key categories such as availability, performance, latency, efficiency, capacity, and incident response. These capabilities prevent malicious actors from executing commands on certain Java processes that are accessible to the outside world.

DevOps 203

DevOps Best Practices Innovation Strategy 203

Particular Software

SEPTEMBER 20, 2021

In place of RPC, 1 they may substitute a different term or technology like REST, microservices, gRPC, WCF, Java RMI, etc. Some will claim that any type of RPC communication ends up being faster (meaning it has lower latency) than any equivalent invocation using asynchronous messaging. So we’ll just use “RPC” for short.

Benchmarking 97

Benchmarking Latency Servers Systems 97

The Netflix TechBlog

AUGUST 22, 2019

With their new Docker image, users launch their Packer baking jobs using Titus , our container management system. The canary stage will determine a score based on metrics such as CPU, threads, latency, and GC pauses. Our engineers no longer have to manually update Windows, Java, Tomcat, IIS, and other services.

DevOps 207

DevOps AWS Tuning Infrastructure 207

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. There's no Java stack—there should be a tower of green Java methods—instead there's only a single green frame or two.

Speed 40

Speed Java AWS Virtualization 40

Brendan Gregg

AUGUST 29, 2021

1072-aws (xxx) 12/18/2018 _x86_64_ (16 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 5.03 avg-cpu: %user %nice %system %iowait %steal %idle 14.81 avg-cpu: %user %nice %system %iowait %steal %idle 14.86 avg-cpu: %user %nice %system %iowait %steal %idle 14.95 avg-cpu: %user %nice %system %iowait %steal %idle 14.54

Cache 105

Cache C++ AWS Latency 105

Alex Russell

MAY 9, 2022

This is a complex topic, but to borrow from a recent post , web performance expands access to information and services by reducing latency and variance across interactions in a session, with a particular focus on the tail of the distribution (P75+). Only teams that master their systems can make intentional trade-offs.

Performance 86

Performance Latency Metrics Engineering 86

The Morning Paper

MARCH 3, 2020

In the same spirit as Paxos Made Live , this paper describes the details, choices and tradeoffs that are required to put a consensus system into production. This work is latency critical, because volume IO is blocked until it is complete. Larger cells have better tolerance of tail latency (e.g. A guiding principle.

Database 106

Database AWS Network Design 106

All Things Distributed

FEBRUARY 22, 2012

Werner Vogels weblog on building scalable and robust distributed systems. They must deal with the increased latency and unreliability inherent in remote communication. Components may take extended periods of time to complete tasks, requests may fail and errors originating from remote systems must be handled. Comments ().

Cloud 130

Cloud AWS Java Scalability 130

ScaleOut Software

JULY 14, 2021

A security sensor in a key-card access system might indicate an unusual pattern of building entries for an employee who has given notice of resignation. A health tracking device might indicate a combination of signals (blood pressure, blood oxygen, heart rate, etc.) Azure digital twins serve a different purpose.

IoT 52

IoT Azure Analytics Serverless 52

All Things Distributed

JUNE 21, 2017

Development of DynamoDB was guided by the core set of distributed systems principles outlined in the Dynamo paper , resulting in an ultra-scalable and highly reliable database system. These high-throughput, low-latency requirements need caching, not as a consideration, but as a best practice.

Speed 121

Speed Cache Latency AWS 121

All Things Distributed

JULY 14, 2015

In this blog post, I will explain how these three new capabilities empower you to build applications with distributed systems architecture and create responsive, reliable, and high-performance applications using DynamoDB that work at any scale. DynamoDB Streams simplifies and improves this design pattern with a distributed systems approach.

Database 167

Database Lambda AWS IoT 167

The Morning Paper

SEPTEMBER 5, 2019

For response times (latencies) reporting a simple metric such as ‘average’ is next to useless. Instead we want to understand what’s happening at different latency percentiles (e.g A characteristic of latency distributions is that they have a long tail. Why do we need a new sketch? At the 50th percentile, an accuracy within 0.5%

Latency 52

Latency Metrics Open Source Java 52

All Things Distributed

MARCH 11, 2013

Werner Vogels weblog on building scalable and robust distributed systems. allows these developers to handle a large number of concurrent connections with low latencies. Elastic Beanstalk now supports Java, PHP, Python, Ruby, Node.js, and.NET. re building Java applications, you can use the AWS Toolkit for Eclipse.

AWS 102

AWS Mobile Games Java 102

The Netflix TechBlog

DECEMBER 17, 2019

In order to be supported, a database is required to fulfill a set of features that are commonly available in systems like MySQL, PostgreSQL, MariaDB, and others. We want to support these systems as a source so that they can provide their data for further consumption. Some of DBLog’s features are: Processes captured log events in-order.

Database 197

Database Traffic Transportation Open Source 197

The Netflix TechBlog

DECEMBER 17, 2019

In order to be supported, a database is required to fulfill a set of features that are commonly available in systems like MySQL, PostgreSQL, MariaDB, and others. We want to support these systems as a source so that they can provide their data for further consumption. Some of DBLog’s features are: Processes captured log events in-order.

Database 212

Database Traffic Transportation Open Source 212

All Things Distributed

APRIL 9, 2015

The Amazon Elastic File System. Customers have been asking to add file system functionality to our set of solutions as much of their traditional software required a broad accessible shared file system. Today Amazon ECS moves into General Availability (GA) so you can use it for your certified production systems.

Lambda 122

Lambda Cloud IoT AWS 122

O'Reilly Software

MARCH 7, 2018

Build a more scalable, composable, and functional architecture for interconnecting systems and applications. Welcome to a new world of data-driven systems. Today, data needs to be available at all times, serving its users—both humans and computer systems—across all time zones, continuously, in close to real time.

Transportation 72

Transportation Java Programming Architecture 72

All Things Distributed

NOVEMBER 8, 2012

Werner Vogels weblog on building scalable and robust distributed systems. For example, AWS customers use SQS for asynchronous communication pipelines, buffer queues for databases, asynchronous work queues, and moving latency out of highly responsive requests paths. All Things Distributed. By Werner Vogels on 08 November 2012 03:00 PM.

Efficiency 104

Efficiency Cloud Games Scalability 104

cdemi

DECEMBER 4, 2016

Apache Kafka - High-Throughput, Low-Latency, Uses Apache ZooKeeper for Distribution, Written in Scala and Java. Azure Service Bus - The Go-To choice if you're already on Azure, High Throughput, Predictable Performance, Predictable Pricing, Secure, Scalable on Demand.

Design 47

Design Azure Scalability Latency 47

Brendan Gregg

AUGUST 29, 2021

1072-aws (xxx) 12/18/2018 _x86_64_ (16 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 5.03 avg-cpu: %user %nice %system %iowait %steal %idle 14.81 avg-cpu: %user %nice %system %iowait %steal %idle 14.86 avg-cpu: %user %nice %system %iowait %steal %idle 14.95 avg-cpu: %user %nice %system %iowait %steal %idle 14.54

Cache 40

Cache C++ AWS Systems 40

Alex Russell

JUNE 20, 2020

Recall that browsers arose atop platforms that universally provided a host of services by the late 90's: system fonts (to support layout programs, including WYSIWYG editing). Java arrived with a focus on structured programming (including threads), GUI controls , networking, device access, and graphics. high-color image raster.

Hardware 55

Hardware Games Java Media 55

The Morning Paper

SEPTEMBER 12, 2019

If you think about a system like Procella that’s combining transactional and analytic workloads on top of a cloud-native architecture, extensions to SQL for streaming , dataflow based materialized views (see e.g. It would be a bold departure from the current imperative high-level DSL based approach to deep learning taken by TensorFlow et al.,

Network 44

Network Database Programming Hardware 44

Highly Scalable

MAY 1, 2012

This approach often leads to heavyweight high-latency analytical processes and poor applicability to realtime use cases. There is a system that receives events on user visits from different internet sites. This system enables analysis to query a number of unique visitors for the specified date range and site. Case Study.

Analytics 191

Analytics Traffic Big Data Efficiency 191