Percona

OCTOBER 18, 2023

Limited toolset and features Another challenge that organizations may face when considering open source is the perception that community software versions have a limited set of features. Security and risk The question “ Is Open Source software safe?

Open Source 94

Open Source Database Hardware Strategy 94

Percona

AUGUST 30, 2023

In general terms, here are potential trouble spots: Hardware failure: Manufacturing defects, wear and tear, physical damage, and other factors can cause hardware to fail. heat) can damage hardware components and prompt data loss. Software failure: Software applications can become vulnerable, or they can crash altogether.

Database 90

Database Hardware Open Source Strategy 90

Dynatrace

SEPTEMBER 22, 2021

Whether it’s your TV, audio system, digital home assistant, or refrigerator chances are those devices run an operating system such as Android allowing you access to the device’s features through apps. Crashes sometimes happen because of a specific combination of hardware, software and the environment (e.g.,

Mobile 189

Mobile Media Hardware Network 189

Dynatrace

OCTOBER 7, 2021

This means you no longer have to provision, scale, and maintain servers to run your applications, databases, and storage systems. Instead of worrying about infrastructure management functions, such as capacity provisioning and hardware maintenance, teams can focus on application design, deployment, and delivery. Simplicity.

Serverless 276

Serverless AWS Lambda Storage 276

Percona

JUNE 22, 2023

Defining high availability In general terms, high availability refers to the continuous operation of a system with little to no interruption to end users in the event of hardware or software failures, power outages, or other disruptions. Some disruption might occur, but it will be minimal. More in the following sub-section.)

Availability 110

Availability Database Open Source Hardware 110

The Morning Paper

SEPTEMBER 26, 2019

Wireless attacks on aircraft instrument landing systems Sathaye et al., Today’s paper is a good reminder of just how important it is becoming to consider cyber threat models in what are primary physical systems, especially if you happen to be flying on an aeroplane – which I am right now as I write this! A quick primer on ILS.

Wireless 91

Wireless Systems Airlines Hardware 91

Percona

NOVEMBER 2, 2023

MongoDB is a dynamic database system continually evolving to deliver optimized performance, robust security, and limitless scalability. Protection against data loss : Older MongoDB versions pose a risk of data loss due to unsupported software. Ready to supercharge your MongoDB experience?

Best Practices 89

Best Practices Hardware Tuning Scalability 89

Testsigma

FEBRUARY 6, 2020

According to IEEE Std 829-1998, Software Testing is defined as “the process of analyzing a software item to detect the differences between existing and required conditions (i.e. defects) and evaluating the features of the software items.” Testing Techniques. ” In Static Testing, code is not executed.

Software 69

Software Software Testing Scalability 69

Dynatrace

NOVEMBER 11, 2020

The /opt directory is typically used for deployment of additional software running on the Unix system. As such, it’s quite often a network-shared mount point that multiple hosts use to store third party software and libraries. Keeping the runtime data in the /opt directory made it cumbersome to maintain.

Best Practices 193

Best Practices Storage Java Benchmarking 193

Percona

AUGUST 18, 2023

The original motivation for FB was due to different hardware generations, especially between regions/data centers. root@ip-172-31-128-38 share]# cat /usr/lib/systemd/system/mysqld@.service root@ip-172-31-128-38 share]# cat /usr/lib/systemd/system/mysqld@.service AFAIK Facebook does this.

Programming 86

Programming Servers Database Hardware 86

Testsigma

APRIL 13, 2021

Unit tests provide documentation of the testing at the unit level and hence during any code changes we know already which code may cause issues. Documented testing – With automation testing tools/frameworks, it is easier to have the whole testing process documented with screenshots, reports, test results, test run time, etc.

Testing 84

Testing Hardware Mobile Testing Tools 84

The Netflix TechBlog

AUGUST 30, 2021

By Benson Ma , Alok Ahuja Introduction At Netflix, hundreds of different device types, from streaming sticks to smart TVs, are tested every day through automation to ensure that new software releases continue to deliver the quality of the Netflix experience that our customers enjoy. In this blog post, we will focus on the latter feature set.

Latency 213

Latency Traffic Transportation Hardware 213

Testlodge

MARCH 21, 2023

Black box testing focuses on the requirements to ensure the system responds as expected, according to the documentation. White box testing examines the system’s internal structure and architecture. Black box testing focuses on the requirements to ensure the system responds as expected, according to the documentation.

Testing 67

Testing Architecture Hardware Code 67

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. This is pretty common and usually goes unnoticed as the flame graph looks ok at first glance. Click here for a longer explanation.

Java 145

Java Cache Google Hardware 145

Tech News Gather

JUNE 30, 2023

Introduction In today’s data-driven world, Geographic Information System (GIS) technology plays a pivotal role in numerous industries, revolutionizing decision-making processes and providing valuable insights into spatial data. ESRI and its Pioneering Role ESRI, founded in 1969 by Jack Dangermond, has been a pioneer in the GIS industry.

Technology 52

Technology Technology Development Retail 52

Randon ASCII

OCTOBER 4, 2020

The behavior of the Windows scheduler changed significantly in Windows 10 2004, in a way that will break a few applications, and there appears to have been no announcement, and the documentation has not been updated. I think the new behavior is an improvement, but it’s weird, and it deserves to be documented.

Programming 145

Programming Games Hardware Operating System 145

Percona

JULY 7, 2023

Unfortunately, using certain open source database software as part of an HA architecture can present significant challenges. Despite all its upside, PostgreSQL software presents such challenges. PostgreSQL software supports synchronous streaming replication, asynchronous streaming replication, and logical replication.

Availability 85

Availability Open Source Architecture Database 85

Testsigma

MAY 3, 2021

We love it so much that we devise new ways all the time to incorporate automation in each and every field of software development. Mobile devices are the most fragmented thing you will ever work with while developing software. Test automation in conventional software is straightforward. We, engineers, love automation!

Mobile 77

Mobile Testing Operating System Hardware 77

ACM Sigarch

JULY 17, 2023

An example of a specification is the correct operation of the hardware of a microprocessor. An SDC is the worst possible outcome of a fault, as it can have an arbitrary impact on the correctness of software running on the hardware. Background A fault is a condition that causes the inability to meet a specification.

Energy 52

Energy Hardware Best Practices Architecture 52

HammerDB

JUNE 27, 2022

HammerDB is a software application for database benchmarking. It enables the user to measure database performance and make comparative judgements about database hardware and software. HammerDB has graphical and command line interfaces for the Windows and Linux operating systems. Why HammerDB was developed.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Percona

NOVEMBER 1, 2023

MySQL backups play a pivotal role in safeguarding the integrity of your data, providing defense against various unforeseen calamities, hardware malfunctions, data loss, corruption, and inadvertent deletions. The key question related to RTO is, “How quickly must the data on this system be restored?”

Best Practices 80

Best Practices Storage Strategy Database 80

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). Avodaq is not only a Dynatrace customer.

Lambda 174

Lambda Monitoring Cloud DevOps 174

HammerDB

APRIL 19, 2023

Among the different components of modern software solutions, the database is one of the most critical. Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. Instead, readers should refer to the HammerDB documentation. Operating System: Ubuntu 22.04

Performance 54

Performance Benchmarking Cache Storage 54

Tech News Gather

JULY 16, 2022

Because it utilizes multi-factor authentication, multi-layered hardware, and software encryption, the application offers its users a high degree of protection. This software is the most appealing option among those focused on finances. One of the most excellent features of the software is how simple it is to use.

Entertainment 52

Entertainment Google Programming Hardware 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. The bulkhead design pattern suggests partitioning a system so that failure of one partition doesn’t impact the others. A guiding principle. Physalia in the large.

Database 106

Database AWS Network Design 106

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

Percona

JULY 26, 2023

MongoDB is a non-relational document database that provides support for JSON-like storage. It is recommended to upgrade your stack as soon as possible to take advantage of improvements and any security-related software updates. It provides a flexible data model allowing you to easily store unstructured data.

Database 81

Database Servers Storage Strategy 81

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

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

SQL Performance

JANUARY 23, 2020

The queues component of our methodology comes from Performance Monitor counters, which provide a view of system performance from a resource standpoint.". However, some seem to have missed Davidson's point regarding the importance of resources and rely almost entirely on waits to present a picture of query performance and system health.

Tuning 115

Tuning Servers Monitoring Hardware 115

HammerDB

OCTOBER 23, 2023

Stored Procedures and Client SQL comparison To test the stored procedures and client implementations, we ran both workloads against a system equipped with Intel Xeon 8280L. This in itself is not an issue as it means we are well within the systems bandwidth capabilities. On MySQL, we saw a 1.5X performance advantage.

Benchmarking 62

Benchmarking Database Network C++ 62

The Netflix TechBlog

FEBRUARY 13, 2020

Choosing 420 subsampling, over the original 444 format, halves the number of samples (counting across all 3 color planes) that need to be encoded while relying on the fact that the human visual system is more sensitive to luma than chroma. There is a potential benefit in reusing the hardware in place for video compression/decompression.

Code 212

Code Metrics Efficiency Open Source 212

Nick Desaulniers

APRIL 6, 2020

My blog has been quieter than I would have liked; hopefully I can find more time to document some of these, maybe in series form. halt (); Some sort of very early exception handler; better to sit busy in an infinite loop than run off and destroy hardware or corrupt data, I suppose. This is documented further in linux-insides.

C++ 67

C++ Hardware Code Virtualization 67

All Things Distributed

SEPTEMBER 4, 2017

The management consultants at McKinsey expect that the global market for AI-based services, software and hardware will grow annually by 15-25% and reach a volume of around USD 130 billion in 2025. For the past 20 years, thousands of software engineers at Amazon have been working on ML. Machine Leaning at Amazon.

Artificial Intelligence 147

Artificial Intelligence Transportation Education Airlines 147

SQL Server According to Bob

JANUARY 11, 2020

This will help you increase system performance and avoid I/O environment errors. Copyright The information contained in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication. Complying with all applicable copyright laws is the responsibility of the user.

Servers 40

Servers Cache Media Hardware 40

Alex Russell

APRIL 29, 2021

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. Consistent improvement is the name of the game, and it can still have positive impacts, particularly as users lean on the system more heavily over time. Media Session API. Background Sync.

Media 145

Media Games Education Engineering 145

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. It also uses the "minimum-viable-product" approach and relies on microservices for its software.

Innovation 113

Innovation Website Servers Technology 113