The Morning Paper

APRIL 4, 2019

Ginseng: keeping secrets in registers when you distrust the operating system Yun & Zhong et al., Suppose you did go to the extreme length of establishing an unconditional root of trust for your system, even then, unless every subsequent piece of code you load is also fully trusted (e.g., NDSS’19.

Operating System 43

Operating System Systems Wireless Transportation 43

Dynatrace

NOVEMBER 2, 2020

IT infrastructure is the heart of your digital business and connects every area – physical and virtual servers, storage, databases, networks, cloud services. If you don’t have insight into the software and services that operate your business, you can’t efficiently run your business. Dynatrace news.

Infrastructure 201

Infrastructure Monitoring Virtualization Serverless 201

Scalegrid

FEBRUARY 8, 2024

A distributed storage system is foundational in today’s data-driven landscape, ensuring data spread over multiple servers is reliable, accessible, and manageable. This guide delves into how these systems work, the challenges they solve, and their essential role in businesses and technology.

Storage 130

Storage Systems Big Data Azure 130

Dynatrace

AUGUST 5, 2022

A message queue is a form of middleware used in software development to enable communications between services, programs, and dissimilar components, such as operating systems and communication protocols. A message queue enables the smooth flow of information to make complex systems work. What is a message queue?

Monitoring 200

Monitoring Serverless Programming Speed 200

Dynatrace

AUGUST 5, 2022

A message queue is a form of middleware used in software development to enable communications between services, programs, and dissimilar components, such as operating systems and communication protocols. A message queue enables the smooth flow of information to make complex systems work. What is a message queue?

Monitoring 199

Monitoring Serverless Programming Speed 199

Dynatrace

APRIL 26, 2022

With DEM solutions, organizations can operate over on-premise network infrastructure or private or public cloud SaaS or IaaS offerings. It is proactive monitoring that simulates traffic with established test variables, including location, browser, network, and device type. One of the key advantages of DEM is its versatility.

Monitoring 204

Monitoring Social Media IoT Metrics 204

Scalegrid

JANUARY 25, 2024

It’s important to note that recommended throughput levels may vary depending on factors such as operating system type, network bandwidth availability, and hardware quality. Memory RSS (Resident Set Size) is the number of bytes that the operating system has allocated to Redis. it signifies memory fragmentation.

Metrics 130

Metrics Monitoring Latency Cache 130

HammerDB

APRIL 19, 2023

Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. This allows us to know our operating environment and its capability. For storage, FIO is generally used. Operating System: Ubuntu 22.04 Database: MySQL 8.0.31 4.22 %usr 38.40

Performance 54

Performance Benchmarking Cache Storage 54

Dynatrace

NOVEMBER 23, 2020

Nevertheless, there are related components and processes, for example, virtualization infrastructure and storage systems (see image below), that can lead to problems in your Kubernetes infrastructure. Configuring storage in Kubernetes is more complex than using a file system on your host.

Virtualization 161

Virtualization Infrastructure Monitoring Cloud 161

Testsigma

DECEMBER 4, 2020

You should ensure to test your application on all the possible combinations of operating systems, screen sizes and resolutions that the app users might be using. These may include screen resolution, orientation, different versions of operating systems, camera, motion sensor, etc. Step 6: Storage.

Mobile 65

Mobile Testing Operating System Storage 65

All Things Distributed

DECEMBER 18, 2012

Jul - 13 Hints for Computer Systems Design Proceedings of the Ninth ACM Symposium on Operating Systems Principles, pp. Harris, Alex Ho, Rolf Neugebauer, Ian Pratt, Andrew Warfield, in the Proceedings of the 19th ACM Symposium on Operating Systems Principles, October 19-22, 2003, Bolton Landing, NY USA.

Operating System 144

Operating System Cache AWS Scalability 144

Brendan Gregg

DECEMBER 31, 2017

A video of the talk is on youtube : The slides are on slideshare : I love this talk as I get to share more about what the Performance and Operating Systems team at Netflix does, rather than just my work. File System. Storage I/O. Networking. Fortunately, it was videoed for those who missed it.

Tuning 61

Tuning AWS Best Practices Network 61

Brendan Gregg

DECEMBER 30, 2017

A video of the talk is on youtube : The slides are on slideshare : I love this talk as I get to share more about what the Performance and Operating Systems team at Netflix does, rather than just my work. File System. Storage I/O. Networking. Fortunately, it was videoed for those who missed it.

Tuning 52

Tuning AWS Best Practices Network 52

O'Reilly

DECEMBER 2, 2019

The most obvious change 5G might bring about isn’t to cell phones but to local networks, whether at home or in the office. High-speed networks through 5G may represent the next generation of cord cutting. Those waits can be significant, even if you’re on a corporate network. Let’s get back to home networking.

Wireless 53

Wireless Serverless IoT Artificial Intelligence 53

The Morning Paper

NOVEMBER 19, 2019

On the other hand we have good old-fashioned native apps that you install on your operating system (a dying breed? Operations can be handled by reading and writing to the local file system, with data synchronisation happening in the background. It should work without a network. Google Docs, Trello, …).

Cloud 83

Cloud Software Software Internet 83

Testsigma

FEBRUARY 13, 2021

Testing in different network conditions: Unlike desktop machines, where a network connection is mostly stable or constant such as LAN or WiFi, mobile devices mostly have a varying network connection due to their portability. A mobile application should be able to adapt itself as per the network condition available.

Mobile 52

Mobile Testing Network Analytics 52

Adrian Cockcroft

JUNE 21, 2022

The early days at Sun Cambridge were special, I absorbed a lot about networking and the technical side of the role from my fellow systems engineer Martin Baines, and we were driving all over the region in cool company cars (I had a Citroen BX 16V) selling a really hot product.

Tuning 52

Tuning Benchmarking Engineering C++ 52

All Things Distributed

JANUARY 19, 2011

Flexibility is one of the key principles of Amazon Web Services - developers can select any programming language and software package, any operating system, any middleware and any database to build systems and applications that meet their requirements. Driving Storage Costs Down for AWS Customers. Comments ().

AWS 115

AWS Cloud Java Operating System 115

Scalegrid

JANUARY 12, 2024

This is sometimes referred to as using an “over-cloud” model that involves a centrally managed resource pool that spans all parts of a connected global network with internal connections between regional borders, such as two instances in IAD-ORD for NYC-JS webpage DNS routing.

Cloud 130

Cloud Virtualization Storage Efficiency 130

Scalegrid

DECEMBER 21, 2023

This includes latency, which is a major determinant in evaluating the reliability and performance of your Redis® instance, CPU usage to assess how much time it spends on tasks, operations such as reading/writing data from disk or network I/O, and memory utilization (also known as memory metrics).

Strategy 130

Strategy Monitoring Latency DevOps 130

Smashing Magazine

JANUARY 15, 2019

This includes the work done by the server, the client and the intermediary communications networks that transmit data between the two. An obvious metric here is CPU usage, but memory usage and other forms of data storage also play their part. All of the major browsers provide developer tools that allow us to measure network activity.

Website Performance 73

Website Performance Website Energy Performance 73

Dynatrace

AUGUST 24, 2020

OneAgent and its Operator . Dynatrace supports full-stack monitoring from the application to the operating system layer using OneAgent. Using OneAgent Operator, OneAgent can be automatically installed on every Kubernetes Node ( DaemonSet ) , thereby ensuring all nodes are monitored when they join your cluster.

Analytics 241

Analytics Infrastructure AWS Operating System 241

Dynatrace

JUNE 25, 2020

This means that Dynatrace continues full operation when a majority of nodes are up and a maximum of two nodes are down at a time. The network latency between cluster nodes should be around 10 ms or less. Minimized cross-data center network traffic. Automatic recovery for outages for up to 72 hours.

Availability 247

Availability Hardware Latency Traffic 247

Percona

AUGUST 30, 2023

Without data backup mechanisms, there can be data loss or system downtime. Even worse, entire operating systems can crash, also resulting in data loss. An incremental backup, which is faster and requires less storage than a full backup, captures changes made since the previous backup. This helps minimize downtime.

Database 88

Database Hardware Open Source Strategy 88

The Netflix TechBlog

SEPTEMBER 24, 2021

From chunk encoding to assembly and packaging, the result of each previous processing step must be uploaded to cloud storage and then downloaded by the next processing step. The following table breaks down the various processing (including download) and uploading phases within an assembler and packager instance operating on large media files.

Cloud 237

Cloud Media Storage Cache 237

Percona

APRIL 24, 2023

This is in addition to the read I/O required to bring the additional index pages from storage for specific queries. Again the pg_gather report of another system with mainly select queries shows this problem. As the Active-Dataset increases, PostgreSQL has no choice but to bring the pages from storage.

Tuning 126

Tuning Cache Storage Database 126

Dynatrace

NOVEMBER 15, 2021

A log is a detailed, timestamped record of an event generated by an operating system, computing environment, application, server, or network device. Logs can include data about user inputs, system processes, and hardware states. “Logging” is the practice of generating and storing logs for later analysis.

Analytics 209

Analytics Monitoring Artificial Intelligence DevOps 209

Dynatrace

NOVEMBER 29, 2021

It offers automated installation, upgrades, and life cycle management throughout the container stack — the operating system, Kubernetes and cluster services, and applications — on any cloud. Because it’s based on RHEL CoreOS, OpenShift can also update the underlying operating system the nodes are running on.

Monitoring 147

Monitoring DevOps Infrastructure Metrics 147

Percona

JUNE 6, 2023

Advantages of full backups Full backups provide several benefits in terms of safeguarding data and facilitating recovery processes, as they encompass thorough data replication and enable complete system restoration during critical situations. Network Bandwidth Utilization : This is another potential disadvantage when it comes to full backups.

Storage 70

Storage Strategy Network Efficiency 70

Dynatrace

DECEMBER 8, 2021

When an application runs on a single large computing element, a single operating system can monitor every aspect of the system. Modern operating systems provide capabilities to observe and report various metrics about the applications running. Just as the code is monolithic, so is the logging.

Cloud 227

Cloud Serverless Hardware Operating System 227

Dynatrace

NOVEMBER 3, 2022

Container-based software isn’t tied to a platform or operating system, so IT teams can move or reconfigure processes easily. IaaS provides direct access to compute resources such as servers, storage, and networks. Given containers’ cloud-based nature, enterprises can easily spin them up or down on demand.

Serverless 218

Serverless Azure Hardware Transportation 218

Dynatrace

AUGUST 24, 2020

OneAgent and its Operator . Dynatrace supports full-stack monitoring from the application to the operating system layer using OneAgent. Using OneAgent Operator, OneAgent can be automatically installed on every Kubernetes Node ( DaemonSet ) , thereby ensuring all nodes are monitored when they join your cluster.

Analytics 135

Analytics Infrastructure AWS Operating System 135

Testsigma

MAY 3, 2021

From operating systems to versions to hardware specs, mobile devices stand unique even after being billions in number. But testing this is essential too because data communication over the network cannot be eliminated by putting all the files into the device storage. Side-By-Side View for multi-tasking.

Mobile 77

Mobile Testing Operating System Hardware 77

Percona

APRIL 17, 2023

In this blog post, we will discuss the best practices on the MongoDB ecosystem applied at the Operating System (OS) and MongoDB levels. Operating System (OS) settings Swappiness Swappiness is a Linux kernel setting that influences the behavior of the Virtual Memory manager when it needs to allocate a swap, ranging from 0-100.

Best Practices 52

Best Practices Design Tuning Database 52

All Things Distributed

MAY 18, 2010

Werner Vogels weblog on building scalable and robust distributed systems. Expanding the Cloud - Amazon S3 Reduced Redundancy Storage. Today a new storage option for Amazon S3 has been launched: Amazon S3 Reduced Redundancy Storage (RRS). Under the covers Amazon S3 is a marvel of distributed systems technologies.

Storage 72

Storage Cloud AWS Scalability 72

All Things Distributed

MARCH 11, 2016

Failures are a given and everything will eventually fail over time: from routers to hard disks, from operating systems to memory units corrupting TCP packets, from transient errors to permanent failures. If customers have many tiny files, then storage and bandwidth don’t amount to much even if they are making millions of requests.

AWS 147

AWS Hardware Retail Virtualization 147

The Morning Paper

DECEMBER 8, 2019

Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. Traditionally one of the major costs when moving data in and out of memory (be it to persistent media or over the network) is serialisation.

Hardware 56

Hardware Programming Media Storage 56