High Scalability

MAY 18, 2021

Join your peers for this virtual experience on April 27 from 9am - 3:30pm PDT. The geolocation database or API detects location, proxy and other >20 parameters. In addition to other content written by seasoned industry experts, this path includes core material from our bestselling course Grokking the System Design Interview.

Education 100

Education DevOps Scalability Infrastructure 100

High Scalability

APRIL 7, 2021

Join your peers for this virtual experience on April 27 from 9am - 3:30pm PDT. The geolocation database or API detects location, proxy and other >20 parameters. In addition to other content written by seasoned industry experts, this path includes core material from our bestselling course Grokking the System Design Interview.

Education 100

Education DevOps Scalability Infrastructure 100

The Morning Paper

MAY 27, 2019

The goal of all this of course is to prevent attackers injecting, manipulating or abusing pointers in the runtime environment. The work includes changes to the CHERI ISA, the C compiler, the C language runtime, the virtual memory APIs, and the CheriBSD kernel. The protections are hardware implemented and cannot be forged in software.

C++ 61

C++ Hardware Virtualization Benchmarking 61

MachMetrics

OCTOBER 12, 2020

It can, of course, be changed by the developer, but after it is built and stored on a server, it gets sent to your visitors exactly the same way until it’s updated. Dynamic sites, on the other hand, are constantly making round trips to a database to update the content that a visitor is served. Source: CloudCannon.

Website 52

Website Speed Traffic Database 52

Dynatrace

MAY 28, 2024

You can easily pivot between a hot Kubernetes cluster and the log file related to the issue in 2-3 clicks in these Dynatrace® Apps: Infrastructure & Observability (I&O), Databases, Clouds, and Kubernetes. See for yourself Watch a demo of logs in context within various Dynatrace Apps in this Dynatrace University course.

Analytics 130

Analytics Infrastructure Database Monitoring 130

Apica

MAY 10, 2019

These powerful brands drive much excitement and, of course, dollars. The Apica LoadTest solution uses innovative technologies like monitoring nodes and load clusters to reliably deliver and sustain a large-scale load of virtual users (VUs) to Hollywood for different, realistic user scenarios all at the same time.

Testing 40

Testing Performance Social Media Wireless 40

Particular Software

JANUARY 5, 2021

The chances of all this communication happening effectively (or at all) are small enough that it’s virtually impossible the people on this team can all understand everything going on in a large system. Of course, we want to be Agile. It sounds like we’re in pretty bad shape here.

Systems 59

Systems Availability Architecture Design 59

Smashing Magazine

SEPTEMBER 20, 2021

And of course, scrapers could scrape your site to look for security vulnerabilities or exposed contact or sales lead details. An example of an online service that loads a web page in its entirety and highlights any portion of the page that contains text found in databases of previously published content. Large preview ). Ad Scraping.

Website 89

Website Analytics Google Cache 89

Adrian Cockcroft

JUNE 21, 2022

We had specializations in hardware, operating systems, databases, graphics, etc. Jim Mauro and Allan Packer visited on rotation from New Jersey, and Adelaide Australia, and worked out how to produce a database sizing guide for Oracle Financials, which I wrote up and published. Jim also joined the database performance team.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Percona

JUNE 22, 2023

To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. A basic high availability database system provides failover (preferably automatic) from a primary database node to redundant nodes within a cluster. HA is sometimes confused with “fault tolerance.”

Availability 107

Availability Database Open Source Hardware 107

Dotcom-Montior

DECEMBER 8, 2021

We are kidding of course, but you know something is bad if happens that early in the morning. The IT service catalog is typically a database or resource that an organization creates to provide users with information on their operational services and offerings. You cannot virtualize everything…yet. Service Catalog.

Social Media 90

Social Media Monitoring Latency DevOps 90

Scalegrid

JULY 8, 2019

Are you looking to get started with the world’s most popular open-source database, and wondering how you should setup your MySQL hosting ? While Microsoft Azure does offer a managed solution, Azure Database, the solution has some major limitations you should know about before migrating your MySQL deployments.

Azure 219

Azure Cloud Virtualization Database 219

SQL Server According to Bob

APRIL 24, 2018

I also started my career developing on UNIX systems with C++ and databases like Ingres. His answer was “of course!” When I graduated from college, one of the first computers I ever used was a MacIntosh. I loved the Mac, the user interface, and the overall footprint of that computer.

Servers 40

Servers Internet Internet Open Source 40

Scalegrid

FEBRUARY 8, 2024

At its core, a distributed storage system comprises three main components: a controller for managing the system’s operations, an internal datastore where information is held, and databases geared towards ensuring scalability, partitioning capabilities, and high availability for all types of data.

Storage 130

Storage Systems Big Data Azure 130

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. All the databases that HammerDB tests implement a form of MVCC (multi-version concurrency control). On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute.

Programming 67

Programming Benchmarking Virtualization C++ 67

Scalegrid

JULY 29, 2020

PgBouncer defines one pool per user+database combination. A client benefits from a pooled connection only if it connects to a child which has previously served a connection for this database+user combination. PgBouncer allows limiting connections per-pool, per-database, per-user or per-client. When are connections reused?

Benchmarking 246

Benchmarking Database Performance Testing Availability 246

Percona

AUGUST 15, 2023

MySQL replication is a process in which data from a primary MySQL database is copied and sent to one or more secondary databases, known as replicas. Setting Up MySQL Replication – Step by Step: Backup Data: Before starting, create a backup of your primary database to prevent data loss during setup.

Servers 52

Servers Database Availability Traffic 52

Percona

MAY 15, 2023

In both cases, when using virtually-synchronous replication, the process will require certification from each node and local (by node) write; as such, the number of writes is NOT distributed across multiple nodes but duplicated. Also, in the case of multi-Primary, the writes will be distributed by transaction. The POC Why this POC?

Traffic 123

Traffic Scalability Database Servers 123

SQL Performance

APRIL 8, 2019

Back on December 5, 2017, Microsoft announced that they were using AMD EPYC 7551 processors in their storage-optimized Lv2-Series virtual machines. Both of these Intel processors are special bespoke models that are not in the Intel ARK database. The key specifications for the Lsv2 series virtual machines are shown in Table 1.

Azure 42

Azure Virtualization Storage Benchmarking 42

Percona

JULY 7, 2023

Unfortunately, using certain open source database software as part of an HA architecture can present significant challenges. This blog highlights considerations for keeping your own PostgreSQL databases highly available and healthy. The same changes made in the primary database are made in the replicas.

Availability 83

Availability Open Source Architecture Database 83

HammerDB

JULY 16, 2021

One of the most important concepts in analysing database performance is that of understanding scalability. Plotting these data points enables us to understand the scalability of the database software being tested on that system. Then we can run an interactive workload for a single Virtual User as follows for MySQL 8.0.25.

Virtualization 57

Virtualization Performance C++ Database 57

O'Reilly

FEBRUARY 18, 2020

there’s a Python library for virtually anything a developer or data scientist might need to do. The most popular CM tools are DevOps focused, and, like DevOps itself, they’re declining: usage in the CM topic dropped significantly (-18%) in 2019, as did virtually all CM tools. Interestingly, R itself continues to decline.

Software Architecture 134

Software Architecture DevOps Data Engineering Architecture 134

Dynatrace

JUNE 1, 2021

However, with today’s highly connected digital world, monitoring use cases expand to the services, processes, hosts, logs, networks, and of course, end-users that access these applications — including a company’s customers and employees. Mobile apps, websites, and business applications are typical use cases for monitoring.

Monitoring 148

Monitoring Mobile Social Media Artificial Intelligence 148

All Things Distributed

OCTOBER 2, 2017

Today marks the 10 year anniversary of Amazon's Dynamo whitepaper , a milestone that made me reflect on how much innovation has occurred in the area of databases over the last decade and a good reminder on why taking a customer obsessed approach to solving hard problems can have lasting impact beyond your original expectations.

Internet 128

Internet Internet AWS Performance 128

Smashing Magazine

OCTOBER 22, 2021

The idea is simple : players steer virtual toy cars in a top-down arena that resembles a foosball table. database and outputs the game PIN as a response. database and displayed on the “Create” page. Supabase makes it very easy to create a PostgreSQL database and access it either via one of its client libraries or via REST.

Games 95

Games Servers Database Virtualization 95

KeyCDN

MARCH 28, 2019

They are responsible for the implementation of database systems, ensuring proper communication between various web services, generating backend functionality, and more. Laravel also offers its own database migration system and has a robust ecosystem. Backend developers work with a wide range of libraries, APIs, web services, etc.

Programming 77

Programming Website Scalability Design 77

Smashing Magazine

SEPTEMBER 26, 2019

Calling this type of migration “fast” is a bit of a stretch, of course, if we talk about the whole application, but separate features clearly can be delivered to the users much faster. You can always fall back to iframe , of course, and get this level of independence. This should come as absolutely unclear title, of course.

Architecture 74

Architecture Virtualization Servers Technology 74

Smashing Magazine

DECEMBER 22, 2021

Their design tools database features tools for everything from UI design and prototyping, to user flow and handoff, design systems and versioning. Stéphanie Walter gave a talk about enhancing UX with CSS animations at the virtual Shift Remote conference in August last year. A great read for UX designers and product managers alike.

Airlines 129

Airlines Mobile Design Strategy 129

O'Reilly

APRIL 5, 2023

Worse yet, the AI’s bias would likely find its way into the system’s database and follow the students from one class to the next. If you have any doubts about the virtually inexhaustible power of our biases, please read Thinking, Fast and Slow by Nobel laureate Daniel Kahneman.

Artificial Intelligence 110

Artificial Intelligence Energy Government Virtualization 110

Testsigma

JUNE 15, 2021

Of course, automation is no stranger to this process of evolution. Tests can be run parallelly on physical or virtual servers, or Selenium grids. Provar supports data-driven testing and allows us to comprehend data from CSV, Excel, JSON, or any database. We’ve come quite far in terms of automation testing too.

Testing 52

Testing DevOps Mobile Testing Tools 52

IO River

NOVEMBER 2, 2023

When you codify infrastructure, you can integrate it with DevOps pipelines to automate various tasks like server provisioning, database scale, and security audits. Consider an example where a company is running multiple virtual machines (VMs) on a cloud provider.  ‍Of course, the latter.

Open Source 52

Open Source DevOps AWS Azure 52

Testsigma

FEBRUARY 3, 2021

We may ask our users to use the app for searching a course of their choice and take a few classes on it after making the payment. This includes- database, memory, CPU usage etc. Because it is difficult to have so many real users to test, we use automated tools to create virtual users. Majorly used Tools: JMeter, LoadRunner.

Mobile 82

Mobile Testing Hardware C++ 82

O'Reilly

NOVEMBER 28, 2023

If we asked whether their companies were using databases or web servers, no doubt 100% of the respondents would have said “yes.” And there are tools for archiving and indexing prompts for reuse, vector databases for retrieving documents that an AI can use to answer a question, and much more.

Open Source 108

Open Source Artificial Intelligence Google Infrastructure 108

SQL Performance

JULY 8, 2020

In my examples I’ll use sample databases called TSQLV5 and PerformanceV5. Orders ) AS D WHERE orderdate >= '20180101' ; This query is of course nondeterministic due to the lack of an ORDER BY clause in the table expression. In Part 3 I started covering optimization considerations of derived tables. FROM Sales. orderdate.

Servers 110

Servers Code Processing Performance 110

IO River

NOVEMBER 2, 2023

When you codify infrastructure, you can integrate it with DevOps pipelines to automate various tasks like server provisioning, database scale, and security audits. Terraform's declarative nature makes this adaptation straightforward.‍Consider an example where a company is running multiple virtual machines (VMs) on a cloud provider.

Open Source 40

Open Source DevOps AWS Azure 40

Brendan Gregg

FEBRUARY 9, 2018

Plotting the percent performance loss vs syscall rate per CPU, for my microbenchmark: Applications that have high syscall rates include proxies, databases, and others that do lots of tiny I/O. virtual (bgregg-c5.9xl-i-xxx) 02/09/2018 _x86_64_ (36 CPU) 05:24:51 PM proc/s cswch/s. Linux 4.14.12-virtual 05:24:52 PM 0.00

Performance 75

Performance Benchmarking Cache Tuning 75

The Symphonia

DECEMBER 6, 2017

Correspondingly, 3GB functions should see a 2x CPU performance improvement over 1.5GB Lambdas, but this is through doubling the number of cores the function has access to, rather than double the virtualized time-slices. Related services Of course we weren’t just interested in Lambda and API Gateway. without web app servers?—?to

Serverless 40

Serverless Lambda AWS Traffic 40