Smashing Magazine

JUNE 30, 2021

iOS empowers developers to easily parallelize code using Grand Central Dispatch , Android does this via their new, unified task scheduler WorkManager and game engines like Unity have job systems. How long your piece of JavaScript takes to finish depends on how fast the device is that your code is running on.

Games 145

Games Architecture Code C++ 145

The Morning Paper

NOVEMBER 8, 2020

Virtual consensus in Delos , Balakrishnan et al. If you think of this a bit like mapping memory addresses to data in memory, then another parallel comes to mind: the virtual address space. We propose the novel abstraction of a virtual shared log (or VirtualLog). Facebook, Inc. ), OSDI’2020. What does the VirtualLog give us?

Virtualization 126

Virtualization Latency Storage Systems 126

KeyCDN

MARCH 14, 2019

Here is a roundup of front end web development trends to keep an eye on in 2019. Frontend Frameworks If you’re not using a frontend framework like React, Vue.js, or Angular to help build your projects, then 2019 is a good year to start. IBM, Microsoft, and Amazon are all exploring new ways to use blockchains in 2019.

Development 101

Development Blockchain Serverless Social Media 101

O'Reilly

FEBRUARY 18, 2020

Growth is still strong for such a large topic, but usage slowed in 2018 (+13%) and cooled significantly in 2019, growing by just 7%. But sustained interest in cloud migrations—usage was up almost 10% in 2019, on top of 30% in 2018—gets at another important emerging trend. Still cloud-y, but with a possibility of migration.

Software Architecture 134

Software Architecture DevOps Data Engineering Architecture 134

Smashing Magazine

FEBRUARY 2, 2022

Improving JavaScript Bundle Performance With Code-Splitting. Improving JavaScript Bundle Performance With Code-Splitting. It’s a common misconception that the code which is produced by the framework build tools (Webpack, for example) is fully optimized and cannot be improved upon any further. The answer lies in code-splitting.

Code 90

Code Performance Network Website 90

Dynatrace

APRIL 5, 2021

Similar to AWS Lambda , Azure Functions is a serverless compute service by Microsoft that can run code in response to predetermined events or conditions (triggers), such as an order arriving on an IoT system, or a specific queue receiving a new message. Dynatrace news. What is Azure Functions? The growth of Azure cloud computing.

Azure 136

Azure Serverless IoT Lambda 136

The Symphonia

DECEMBER 7, 2018

We spent most of our time chatting to various folk about what they are doing with AWS now, and where they hope to proceed in 2019. These artifacts are shared across functions, and so allow for code and data sharing. lightweight virtualization for Serverless Computing”. Along with Custom Runtimes comes Lambda Layers?—?artifacts

Lambda 40

Lambda Serverless AWS Blockchain 40

Percona

JULY 15, 2023

Let’s test the following equivalent query: mysql> SELECT AVG(price) FROM products WHERE create_time BETWEEN '2019-10-01' AND '2019-11-01'; + + | AVG(price) | + + | 202.982582 | + + mysql> EXPLAIN SELECT AVG(price) FROM products WHERE create_time BETWEEN '2019-10-01' AND '2019-11-01'G 1.

Virtualization 77

Virtualization Speed Database Efficiency 77

Dynatrace

SEPTEMBER 23, 2021

In 2019, Gartner reported that 30% of organizations worldwide were running containerized applications. Unfortunately, container security is much more difficult to achieve than security for more traditional compute platforms, such as virtual machines or bare metal hosts. Source code tests. Run source code tests.

Open Source 243

Open Source Benchmarking Best Practices Network 243

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. The broken Java stacks turned out to be beneficial: They helped group together the os::javaTimeMillis() calls which otherwise might have have been scattered on top of different Java code paths, appearing as thin stacks everywhere. But I'm not completely sure.

Speed 126

Speed Java AWS Virtualization 126

Dynatrace

JULY 13, 2020

refers to cloud-based, containerized, distributed systems, made up of cooperating microservices, dynamically managed by automated infrastructure as code. . ? Container runtime engines (such as Docker), leverage OS-level virtualization capabilities offered from the kernel to create those isolated spaces. Cloud-native?

Google 132

Google Ecommerce DevOps Cloud 132

Smashing Magazine

NOVEMBER 8, 2018

2019-04-29T18:34:58+00:00. One such plugin is WP Media Offload (the lite version is available here ), which provides a great feature: it seamlessly transfers files uploaded to the Media Library to an S3 bucket, which allows to decouple the contents of the site (such as everything under /wp-content/uploads) from the application code.

AWS 44

AWS Servers Storage Cloud 44

Dynatrace

MAY 31, 2021

Kubernetes (aka K8s) is an open-source platform used to run and manage containerized applications and services on clusters of physical or virtual machines across on-premises, public, private, and hybrid clouds. This virtualization makes it possible to efficiently deploy and securely run a container independently of the hosting infrastructure.

Virtualization 132

Virtualization DevOps Infrastructure Cloud 132

Dynatrace

JULY 13, 2020

refers to cloud-based, containerized, distributed systems, made up of cooperating microservices, dynamically managed by automated infrastructure as code. . ? Container runtime engines (such as Docker), leverage OS-level virtualization capabilities offered from the kernel to create those isolated spaces. Cloud-native?

Google 130

Google Ecommerce DevOps Cloud 130

Sutter's Mill

AUGUST 13, 2023

1:00 Intro and roadmap for the talk 2:28 1. cppfront recap 2:35 – green-field experiments are great; but cppfront is about refreshing C++ itself 3:28 – “when I say compatibility.

C++ 87

C++ Efficiency Design Virtualization 87

Dynatrace

JULY 8, 2020

A container with inefficient code might affect critical workloads and practically make the whole node unusable , or worse, because of replication, it can impact the whole cluster. It might be a problem with the application code, it might also be a liveness probe that is misconfigured or something else. .

Infrastructure 195

Infrastructure Monitoring Cloud Metrics 195

HammerDB

JUNE 27, 2022

An important concept was to simulate database users called Virtual Users in parallel (rather than concurrently) to accurately simulate a real database workload with multiple users running from separate systems. The workload also outputted the data from the Virtual Users by simulating individual terminals. Adoption by the TPC.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. The broken Java stacks turned out to be beneficial: They helped group together the os::javaTimeMillis() calls which otherwise might have have been scattered on top of different Java code paths, appearing as thin stacks everywhere. But I'm not completely sure.

Speed 52

Speed Java AWS Virtualization 52

Randon ASCII

APRIL 21, 2019

Update, April 23, 2019: Microsoft received the initial “anomaly” report on the 15th, the repro steps on the 21st, and announced a fix today. Oddly slow virtual memory scanning of endlessly leaking CFG memory was causing gmail hangs for a while until we added a mitigation in Chrome’s JavaScript engine. Quick work! Just one more thin g….

Virtualization 79

Virtualization Testing Processing Code 79

SQL Server According to Bob

DECEMBER 18, 2018

Before all was said and done, all of these people and more helped with various activities: · Eugene, Mike, Slava, Scott, Peter, Steve and others doing code reviews on my SQL Server and Host Extension changes. · Red Hat, SUSE, HPE, Intel helping and confirming Linux behaviors and making file system code changes. product: Virtual Disk.

Servers 90

Servers Media Cache Storage 90

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. The broken Java stacks turned out to be beneficial: They helped group together the os::javaTimeMillis() calls which otherwise might have have been scattered on top of different Java code paths, appearing as thin stacks everywhere. But I'm not completely sure.

Speed 40

Speed Java AWS Virtualization 40

SQL Performance

FEBRUARY 1, 2022

The transaction log contains virtual log files, which contain log blocks, which store the actual log records. Virtual Log Files. The transaction log is split up into sections called virtual log files , commonly just called VLFs. To prove it, I ran this code: SELECT.

Architecture 53

Architecture Servers Virtualization Database 53

Tasktop

FEBRUARY 24, 2021

job postings are down overall compared to 2019, tech hiring is showing signs of being more resilient than average. That’s virtually impossible without real-time systems data and analytics. . Poor code quality ends up drowning teams in re-work and taking resources away from innovation work. But reality tells a different story.

Healthcare 52

Healthcare Retail Metrics Innovation 52

Enprowess

SEPTEMBER 7, 2021

has a unit testing framework called Jasmine, which allows unit testing of code during development. React is an open-source front-end library based on JavaScript, created and maintained by Facebook, and is well known for its virtual DOM feature. The performance of React improves because of the Virtual DOM algorithm. Advantages.

Open Source 52

Open Source Virtualization Programming Servers 52

Percona

SEPTEMBER 1, 2023

This blog was originally published in February 2019 and was updated in September 2023. It specifies how characters are converted into binary code and vice-versa. 20-generic Processors | physical = 2, cores = 28, virtual = 56, hyperthreading = yes Models | 56xIntel(R) Xeon(R) Gold 5120 CPU @ 2.20GHz< Memory Total | 376.6G

Performance 52

Performance Storage Social Media Database 52

Tasktop

FEBRUARY 24, 2021

job postings are down overall compared to 2019, tech hiring is showing signs of being more resilient than average. That’s virtually impossible without real-time systems data and analytics. . Poor code quality ends up drowning teams in re-work and taking resources away from innovation work. But reality tells a different story.

Healthcare 40

Healthcare Retail Metrics Innovation 40

Percona

JULY 7, 2023

HA in PostgreSQL databases delivers virtually continuous availability, fault tolerance, and disaster recovery. Also, in general terms, a high availability PostgreSQL solution must cover four key areas: Infrastructure: This is the physical or virtual hardware database systems rely on to run. there cannot be high availability.

Availability 83

Availability Open Source Architecture Database 83

Smashing Magazine

SEPTEMBER 26, 2019

2019-09-26T12:30:59+02:00. 2019-09-26T11:02:12+00:00. Technically, we have to split our existing application into microservices virtually. By “virtually” I mean that in general, you don’t need to change your existing application physically: it’s enough to have structure settled in any form even if only on paper.

Architecture 75

Architecture Virtualization Servers Technology 75

Rigor

NOVEMBER 7, 2019

Reading time 4 min The CPDoS attack that was discovered in October 2019 and the corresponding attention paid to it within the technology sphere brought to light an issue many of us overlook: the boundaries of our web applications have expanded, and that has increased the number of systems and services that must be monitored and secured.

Monitoring 40

Monitoring Performance Cache Ecommerce 40

O'Reilly

JULY 15, 2020

The share of adoption for the 12-month period between January of 2019 and January of 2020 likewise suggests that microservices remains a topic of interest to O’Reilly users. So it just makes sense to instantiate microservices at the level of the virtual machine (VM), as distinct to that of the container. Footnotes.

Database 136

Database Architecture Education Systems 136

Testsigma

NOVEMBER 16, 2021

In the summer of 2019, British Airways faced a technical issue on its website. Notice how March 2020 has shown an extremely positive change in website users with respect to March 2019. A platform can be online, local, virtual machine, cloud-based setup, hybrid, anything. What does enterprise mean from a tester’s POV? A platform.

Testing 52

Testing Website Small Business Internet 52

Enprowess

SEPTEMBER 20, 2021

Like React, Vue features two-way binding, uses components and a virtual DOM. This JS library uses elements – isolated items of code that may be used to create a lot of complicated logic and UIs. They use lazy loading to extend performance rates and reduce loading times and code refreshes via virtual DOMs. What is React?

Open Source 52

Open Source Mobile Scalability Google 52

HammerDB

OCTOBER 12, 2018

Note that the following section applies in particular to pre-2019 versions of MySQL and MariaDB and more recent versions of MySQL 8 have already been updated for optimal performance on multiple platforms and therefore the change is this section is not required). Error in Virtual User 1: mysqlexec/db server: Table 'mysql.proc' doesn't exist.

Best Practices 40

Best Practices Scalability Performance C++ 40

The Morning Paper

JUNE 30, 2019

Today we’re jumping from HotOS topics of 2019, to hot topics of 1977! System R code followed the following rules: Never lock wait while a high traffic lock is held. general purpose operating system with virtual memory). The convoy phenomenon Blasgen et al., IBM Research Report 1977 (revised 1979). Hence convoys will occur.

Traffic 75

Traffic Latency Programming Scalability 75

SQL Performance

AUGUST 27, 2019

On August 7, 2019, AMD finally unveiled their new 7nm EPYC 7002 Series of server processors, formerly code-named "Rome" at the AMD EPYC Horizon Event in San Francisco. Better security , with Secure Memory Encryption and Secure Encrypted Virtualization. More total PCIe lanes and bandwidth. Lower power usage.

Servers 52

Servers Benchmarking Virtualization Architecture 52

Smashing Magazine

JUNE 10, 2022

Description: Infant characters as in my paper “ Letter and symbol misrecognition in highly legible typefaces for general, children, dyslexic, visually impaired and aging readers — 2019 fourth edition.”. With detailed code walkthroughs , hands-on examples and common gotchas — all broken down into short, manageable lessons.

Performance 97

Performance Design Testing Speed 97

Smashing Magazine

JANUARY 11, 2021

Have we optimized enough with tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, progressive hydration, clients hints, HTTP/3, service workers and — oh my — edge workers? It’s much easier to reach performance goals when the code base is fresh or is just being refactored.

Performance 145

Performance Cache Media Metrics 145