Dynatrace

JUNE 9, 2020

Synthetic monitoring locations execute browser and HTTP monitors from within your own infrastructure and answer questions about the availability of applications (internal and external) from the perspective of specific points of interest such as branch offices. Dynatrace news. In the near future, you can also expect support for: Ubuntu 18.

Monitoring 133

Monitoring Hardware Servers Infrastructure 133

The Morning Paper

JUNE 27, 2019

Machine learning systems are stuck in a rut Barham & Isard, HotOS’19. In this paper we argue that systems for numerical computing are stuck in a local basin of performance and programmability. But that won’t solve the ordering issue of course.

Systems 87

Systems Tuning Programming Innovation 87

The Morning Paper

NOVEMBER 15, 2020

This stems from a combination of Jevon’s paradox and the interconnectedness of systems – doing more in one area often leads to a need for more elsewhere too. At the end of the day, there are three basic ways we can increase capacity: Increasing the number of units in a system (subject to Amdahl’s law ). IDS/IPS requirements.

Servers 128

Servers Hardware Latency Design 128

Dynatrace

MAY 1, 2020

Other distributions like Debian and Fedora are available as well, in addition to other software like VMware, NGINX, Docker, and, of course, Java. This is especially the case with microservices and applications created around multiple tiers, where cheaper hardware alternatives play a significant role in the infrastructure footprint.

Java 132

Java Hardware Tuning Metrics 132

Percona

OCTOBER 18, 2023

MySQL, PostgreSQL, MongoDB, MariaDB, and others each have unique strengths and weaknesses and should be evaluated based on factors such as scalability, compatibility, performance, security, data types, community support, licensing rules, compliance, and, of course, the all-important learning curve if your choice is new to you.

Open Source 94

Open Source Database Hardware Strategy 94

Dynatrace

JUNE 7, 2019

We continue to grow our public synthetic monitoring locations, but customers using Dynatrace Synthetic still need to monitor the performance and availability of internal web applications. With private synthetic browser monitors, we bring the testing capabilities available in public locations right into your own environment.

Network 154

Network Monitoring Servers Hardware 154

Brendan Gregg

MARCH 16, 2024

The problem is that this system has a default libc that has been compiled without frame pointers, so any stack walking stops at the libc layer, producing a partial stack that's missing the application frames. But I'd rather the cost be zero, of course! The actual overhead depends on your workload.

Java 145

Java Cache Google Hardware 145

Testlodge

JUNE 16, 2021

The wide accessibility of the internet around the globe has made it easy for hackers to intrude into an organization’s system in an unethical manner and compromise their security controls to fulfill their harmful goals. Various standardized security methods are available. Why do we perform Penetration Testing?

Testing 67

Testing Hardware Open Source Internet 67

Dynatrace

JUNE 30, 2020

While optimizing delivery is very important, I haven’t focused enough on how Dynatrace helps IT Service Operation teams answer key questions they are faced with every day in their demanding job to keep Service Levels of their systems, services and applications within the defined agreements (SLAs). Summary & next steps.

Lambda 174

Lambda Monitoring Cloud DevOps 174

The Morning Paper

JUNE 13, 2019

As we saw with the SOAP paper last time out, even with a fixed model variant and hardware there are a lot of different ways to map a training workload over the available hardware. Managed here means that the system automates resource provisioning for models to match a set of SLO constraints (cf. autoscaling).

Hardware 58

Hardware Latency Serverless Energy 58

The Morning Paper

JANUARY 30, 2020

The Mobile Web Worker (MWW) System. The Mobile Web Worker (MWW) System introduces a new client-side Mobile Web Worker Manager component which is responsible for managing web workers, including their migration when this is estimated to be beneficial. This could of course be a local worker on the mobile device. in the cloud).

Mobile 104

Mobile Cloud Latency Games 104

The Morning Paper

NOVEMBER 3, 2019

Most Linux users cannot afford the amount of resource large enterprises like Google put into custom Linux performance tuning… For Google of course, there’s an economy of scale that makes all that effort worth it. A micro-benchmark suite, LEBench was then built around tee system calls responsible for most of the time spent in the kernel.

Performance 108

Performance Benchmarking Tuning Hardware 108

Percona

MAY 1, 2023

It is primarily the responsibility of the database administrator or developer to tune PostgreSQL according to their system’s workload. Hardware optimization : You need to ensure that the CPU, memory, and storage components meet the performance requirements of the database workload. What is PostgreSQL performance tuning?

Tuning 52

Tuning Efficiency Database Performance 52

Percona

JUNE 20, 2023

Inside the memory, they can be allocated any available space. When a program leaves the memory, space becomes available; however, the OS may or may not be able to allocate vacant memory space to another program or process as it has some issues. The next version of the pg_gather will have these details available.

Programming 85

Programming C++ Database Virtualization 85

Smashing Magazine

NOVEMBER 16, 2021

DRM-free, of course. Conventional computers now sport touchscreens and otherwise blur the lines between device types – and between mobile and desktop operating systems. Touch Design for Mobile Interfaces presents and shares real information on hardware, people, interactions, and environments. DRM-free, of course.

Mobile 87

Mobile Design Best Practices Website 87

Dotcom-Montior

MAY 12, 2020

They now allow users to interact more with the company in the form of online forms, shopping carts, Content Management Systems (CMS), online courses, etc. Web monitoring is a comprehensive term that describes the activity of testing a website or web application for its availability and performance. Hardware resources.

Monitoring 63

Monitoring Entertainment Hardware Latency 63

Percona

AUGUST 15, 2023

MySQL replication provides high availability, load balancing, and data redundancy, enhancing system reliability. Replication also provides for data availability by enabling failover to a replica in case the primary server becomes unavailable. What are the potential advantages and disadvantages of MySQL Replication?

Servers 52

Servers Database Availability Traffic 52

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. EBS uses chain replication for availability, with data flowing from client to primary to replica. A guiding principle. Physalia in the large. Physalia in the large.

Database 106

Database AWS Network Design 106

The Morning Paper

MAY 27, 2019

Last week we saw the benefits of rethinking memory and pointer models at the hardware level when it came to object storage and compression ( Zippads ). The protections are hardware implemented and cannot be forged in software. And this all has to work for whole-system executions, not just the C-language portion of user processes.

C++ 61

C++ Hardware Virtualization Benchmarking 61

Alex Russell

MARCH 9, 2024

Of course, it would be better from the OS vendor's perspective if everyone simply wrote all of the software for their proprietary platform, maximising OS feature differentiation. native, OS-specific) platform and the hopefully weaker web platform. The two sub-variants differ in ambition owing to the market positions of their OS sponsors.

Benchmarking 59

Benchmarking Strategy Internet Internet 59

Alex Russell

APRIL 29, 2021

This post mines publicly available data on the pace of compatibility fixes and feature additions to assess the claim. After 20 years of neck-in-neck competition, often starting from common code lineages, there just isn't that much left to wring out of the system. Count of APIs available from JavaScript by Web Confluence.

Media 145

Media Games Education Engineering 145

Smashing Magazine

DECEMBER 15, 2021

Mobile phones are rapidly becoming touchscreens and touchscreen phones are increasingly all-touch, with the largest possible display area and fewer and fewer hardware buttons. The hardware matters, but the underlying OS is the same , and pretty much all apps will run on any device of the same age. This is not true.

Mobile 103

Mobile Design Internet Internet 103

Percona

AUGUST 29, 2023

Data redundancy, a database version of a RAID Pondering the case of high availability and redundancy, one replicates data by creating a replica via streaming replication. Now let’s stretch our imagination and consider a second method of high availability, ala Citus. The same can be said for Citus data sharding. 1 citus | 11.1-1

C++ 81

C++ Database Storage Testing 81

The Morning Paper

MARCH 8, 2020

This paper presents Snowflake design and implementation along with a discussion on how recent changes in cloud infrastructure (emerging hardware, fine-grained billing, etc.) have altered the many assumptions that guided the design and optimization of the Snowflake system. From shared-nothing to disaggregation.

Storage 112

Storage Engineering Cache Serverless 112

Sutter's Mill

FEBRUARY 13, 2017

” This contains updated and new material that reflects the latest C++ standards and compilers, with a focus to using modern C++11/14/17 effectively on modern hardware and memory architectures. On April 25-27, I’ll be in Stockholm (Kista) giving a three-day seminar on “High-Performance and Low-Latency C++.”

Latency 51

Latency C++ Hardware Performance 51

Alex Russell

SEPTEMBER 20, 2020

Pre-publication gates were valuable when better answers weren't available, but commentators should update their priors to account for hardware and software progress of the past 13 years. Fast forward a decade, and both the software and hardware situations have changed dramatically. Don't like the consequences?

Hardware 64

Hardware Mobile Programming Java 64

The Morning Paper

NOVEMBER 10, 2019

It’s been clear for a while that software designed explicitly for the data center environment will increasingly want/need to make different design trade-offs to e.g. general-purpose systems software that you might install on your own machines. Upgrades are also rolled out progressively across the cluster of course.

Network 92

Network Transportation Latency Entertainment 92

The Morning Paper

MAY 28, 2019

We don’t talk about energy as often as we probably should on this blog, but it’s certainly true that our data centres and various IT systems consume an awful lot of it. The goal is to produce a low-energy hardware classifier for embedded applications doing local processing of sensor data. Introducing race logic.

Energy 52

Energy Hardware Efficiency Architecture 52

Percona

DECEMBER 14, 2022

System space is at a premium i.e. it’s worth your while to manage space utilization as much as possible. The key goals of OLTP applications are availability, speed, concurrency, and recoverability. As a General Purpose Database Management System, basic behaviors can be reconfigured in Postgres for different purposes. drill-down.

Database 93

Database Analytics Storage Processing 93

All Things Distributed

SEPTEMBER 4, 2017

As a result, there is a critical mass of data available. That is now changing, as packages of AI and ML services, frameworks and tools are today available to all sorts of companies and organizations, including those that don't have dedicated research groups in this field. They form the basis for new business models.

Artificial Intelligence 147

Artificial Intelligence Transportation Education Airlines 147

Testsigma

FEBRUARY 3, 2021

Mobiles have different models, screen resolutions, operating systems, network types, hardware configurations, etc. Also, how to test the hardware of the mobile phone itself, is it supporting all the software as it should? Let us have a look at the most popular types of mobile testing for applications and hardware.

Mobile 82

Mobile Testing Hardware C++ 82

HammerDB

FEBRUARY 25, 2021

On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute. Of course, you can prepare individual statements, however you can see major efficiency gains by using natively compiled stored procedures. Top 10 Processes. Tcl Multithreading in parallel.

Programming 67

Programming Benchmarking Virtualization C++ 67

Dotcom-Montior

DECEMBER 8, 2021

Systems, web applications, servers, devices, etc., SREs and DevOps teams can use these incidents to build back better and improve their systems and services. We are kidding of course, but you know something is bad if happens that early in the morning. SREs must manage complex distributed systems. What is an Incident?

Social Media 90

Social Media Monitoring Latency DevOps 90

CSS Wizardry

APRIL 2, 2018

If you want to listen to the track—of course you do, it’s stunning—then you’ll have to make do with the YouTube version. Another blocker was that I had no way of finding out which songs in my Spotify library would be available on the Tidal service. Know anywhere I can get hold of a ‘dubious’ copy of this track? Technics OTTAVA in-situ.

Website 108

Website Media Hardware Monitoring 108

Testsigma

DECEMBER 28, 2019

The testing phase starts with unit testing followed by integration testing, system testing, system integration testing, acceptance testing, and regression testing. System testing- checks end to end flows works as expected. Acceptance testing- to validate the system is developed as per business requirement. Re-execute all.

Testing 53

Testing Hardware Testing Tools Strategy 53

All Things Distributed

JUNE 28, 2017

At Amazon, we also require our systems and customer solutions to be anti-fragile, and we do that by designing our systems to stand the test of time. Our systems must be able to evolve and become more resilient to failure. The body and hardware still reflect HARTING's standard of perfection.

Innovation 113

Innovation Website Servers Technology 113

Adrian Cockcroft

NOVEMBER 13, 2023

In the simplest case, you have a growing workload, and you optimize it to run more efficiently so that you don’t need to buy or rent additional hardware, so your carbon footprint stays the same, but the carbon per transaction or operation is going down. they are never really idle. I’ve written before about how to tune out retry storms.

Energy 52

Energy Cloud Traffic Transportation 52