Testsigma

MARCH 23, 2022

The open-source movement has become the most talked-about topic in the tech industry for the past two decades. We see a huge demand, inclination, and adoption of open-source software by organizations as well as software workers. In this article, I have condensed my thoughts on Open Source for Testers.

Open Source 76

Open Source C++ Programming Education 76

Dynatrace

AUGUST 29, 2024

Dynatrace offers a feature-rich agent, Dynatrace OneAgent ® , and an agentless open source approach perfectly tailored for edge-IoT use cases, leveraging OpenTelemetry. To transport our ADS-B application’s JSON log files into our Dynatrace tenant, we’ll leverage an agentless approach using open source software ( OpenTelemetry ).

IoT 264

IoT Analytics Transportation Metrics 264

The Netflix TechBlog

DECEMBER 7, 2020

VMAF is a video quality metric that Netflix jointly developed with a number of university collaborators and open-sourced on Github. Since its open-sourcing, we have started seeing VMAF being applied in a wider scope within the open-source community. VMAF stands for Video Multi-Method Assessment Fusion.

Metrics 159

Metrics Open Source Tuning Speed 159

Smashing Magazine

DECEMBER 2, 2021

Advent Calendars For Web Designers And Developers (December 2021 Edition). Advent Calendars For Web Designers And Developers (December 2021 Edition). It doesn’t really matter if you’re a front-end dev, UX designer or content strategist, we’re certain you’ll find at least something to inspire you for the upcoming year.

Design 120

Design Development Programming Website 120

Dynatrace

MAY 2, 2024

As organizations introduce generative AI and continue to use open source code libraries, APIs, microservices, and more to innovate faster, the risk of attack compounds with more entry points for bad actors access critical data. Cloud application security is crucial to every organization. What is DevSecOps?

Artificial Intelligence 264

Artificial Intelligence Cloud Best Practices DevOps 264

Scalegrid

SEPTEMBER 5, 2024

They activate failover mechanisms designed to sustain high availability with minimal interruption. This open-source tool can be acquired from apt.Postgresql.org, a Debian and Ubuntu repository. c config_file=/etc/postgresql/9.3/main/postgresql.conf Standby servers are activated when the primary server fails.

Availability 257

Availability Servers Database Open Source 257

Dynatrace

MAY 23, 2022

As developers move to microservice-centric designs, components are broken into independent services to be developed, deployed, and maintained separately. IDC predicted, by 2022, 90% of all applications will feature microservices architectures that improve the ability to design, debug, update, and use third-party code.

Architecture 263

Architecture DevOps Monitoring Programming 263

The Netflix TechBlog

FEBRUARY 14, 2020

Below, we discuss how we’ve built upon our previous work of harvesting static images directly from video source files and our computer vision algorithms to produce a set of artwork candidates that covers the major product canvases for the entire content catalog. We use an open source workflow engine Netflix Conductor to run the orchestration.

Design 191

Design Open Source C++ Availability 191

Percona

OCTOBER 4, 2023

As a result, both A and C directly inherit permissions from B and indirectly from D. As a result, both A and C directly inherit permissions from B and indirectly from D. In simpler language, we can view A and C as indirect descendants of D within the role hierarchy. Download Percona Distribution for PostgreSQL Today!

C++ 122

C++ Open Source Tuning Database 122

The Netflix TechBlog

JUNE 4, 2019

Because microprocessors are so fast, computer architecture design has evolved towards adding various levels of caching between compute units and the main memory, in order to hide the latency of bringing the bits to the brains. The predictions are then fed into a MIP which is solved on the fly.

Cache 258

Cache Latency Airlines Logistics 258

High Scalability

SEPTEMBER 28, 2018

MrTonyD : I was writing production code over 30 years ago (C, OS, database). Or, maybe, they can succeed as in getting comfy job at IBM, but their designs don't translate into useful products. billion increase in pure-play foundry market; Quotable Quotes: WhatsApp cofounder : I am a sellout. I acknowledge that. There more.

Internet 35

Internet Internet Scalability Blockchain 35

The Morning Paper

MAY 12, 2019

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., It’s a pretty impressive effort to pull together and make available in open source (not yet available as I write this) such a suite, and I’m sure explains much of the long list of 24 authors on this paper.

Open Source 61

Open Source Hardware Benchmarking Systems 61

Percona

DECEMBER 15, 2023

In PostgreSQL 15 and older versions postgres=#CREATE ROLE Alice CREATEROLE LOGIN; CREATE ROLE postgres=# CREATE role bob; CREATE ROLE postgres=# du bob List of roles Role name | Attributes | Member of --+ --+ -- bob | Cannot login | {} postgres=# c postgres alice You are now connected to database "postgres" as user "alice".

C++ 111

C++ Database Open Source Systems 111

Percona

JUNE 5, 2023

Percona Distribution for PostgreSQL provides the best and most critical enterprise components from the open-source community, in a single distribution, designed and tested to work together. 22 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:5432 5432 0.0.0.0:* LISTEN tcp 0 0 127.0.0.53:53 We call this hacking 🙂 Happy Travels!

Database 145

Database Open Source Servers C++ 145

The Netflix TechBlog

JUNE 25, 2021

In this blog post, we are thrilled to share that we are open-sourcing one such tool: the Netflix Data Explorer. Browsing your accessible clusters in different environments and regions Schema Designer Writing CREATE TABLE statements can be an intimidating experience for new Cassandra users.

Metrics 157

Metrics Best Practices Strategy Design 157

Percona

APRIL 3, 2023

oid_test" SET WITHOUT OIDS; ALTER TABLE postgres=# c abs_test You are now connected to database "abs_test" as user "postgres". craft" SET WITHOUT OIDS; ALTER TABLE "public"."ports" ALTER TABLE "public"."oid_test" oid_test" SET WITHOUT OIDS; (1 row) Now we can execute the DDL to ALTER these tables. postgres=# ALTER TABLE "public"."oid_test"

C++ 124

C++ Database Cache Storage 124

Percona

DECEMBER 7, 2023

Ensuring the security and resilience of your data hinges on having a robust backup strategy, and Percona XtraBackup (PXB), our open source backup solution for all versions of MySQL, is designed to make backups a seamless procedure without disrupting the performance of your server in a production environment. respectively.

C++ 111

C++ Servers Open Source Database 111

KeyCDN

FEBRUARY 22, 2023

PWAs are designed to work offline, be fast, and provide a seamless user experience across different devices. Motion UI Motion UI is a design trend involving animation and other interactive elements to create a more dynamic and engaging user experience. Except to see such ambient design elements increase in popularity.

Artificial Intelligence 111

Artificial Intelligence Development Serverless Website 111

Percona

APRIL 21, 2023

This could result from a mistake (the application wrote to a replica instead of writing to the source) or by design (you need additional tables for reports). Below is my current topology: [root@monitor ~]# orchestrator-client -c topology-tabulated -alias testcluster | tr '|' 't' 192.168.56.10:3306 3306 0s ok 5.7.41-44-log

C++ 107

C++ Monitoring Database Open Source 107

Percona

MAY 8, 2023

Percona Distribution for PostgreSQL provides the best and most critical enterprise components from the open-source community, in a single distribution, designed and tested to work together. Step 4: Pause replication on replica2::10.0.0.40 Download Percona Distribution for PostgreSQL Today!

C++ 131

C++ Servers Database Open Source 131

Percona

AUGUST 16, 2023

A powerful tool designed to beautify and standardize SQL code is pgFormatter. pgFormatter is an open source utility that takes SQL code as input and outputs beautifully formatted, indented, and aligned SQL code following a set of predefined rules. What is pgFormatter? Download Percona Distribution for PostgreSQL Today!

Code 98

Code Best Practices Open Source C++ 98

Smashing Magazine

AUGUST 4, 2021

In this article, we’ll look at a React utility React.Children.toArray which lets us prepare the children prop for inspection and iteration, some of its shortcomings and how to overcome them — through a small open-source package, to keep our React code function the way it is deterministically supposed to behave, keeping performance intact.

Open Source 141

Open Source C++ Google Website 141

Percona

JUNE 26, 2023

Percona Distribution for PostgreSQL provides the best and most critical enterprise components from the open-source community in a single distribution, designed and tested to work together. If we have a table-level logical backup, then we can restore the “test” table backup, and our database will be in good shape.

Hardware 98

Hardware C++ Database Open Source 98

Percona

MARCH 28, 2023

wt list -c WiredTigerCheckpoint.33: These checkpoints are stored in WiredTiger.wt The above diagram shows the information present in a checkpoint, while the below output shows how it looks when listed using the “wt” utility. $ MongoD attempts to go into crash recovery and looks for anything there in the Journal files.

Hardware 111

Hardware C++ Storage Cache 111

Official Blog - World Web Technology

AUGUST 27, 2023

For example, website design is very crucial to impress your website visitors. It is a server-side scripting language that is highly secure, open-source, and versatile. PHP is Open Source Language The most important thing for a business is to optimize costs to make operations more cost-effective and improve profit margins.

Development 98

Development Ecommerce Open Source Website 98

O'Reilly

APRIL 8, 2025

The computer doesnt know C++ and doesnt care if the software was written in Java, Haskell, or BASIC; no matter how the software is written, its going to execute binary machine code. Nevertheless, if were honest about the skills we expect of a junior developer, this list shows roughly what wed expect, not five years experience writing SQL.

Programming 52

Programming Code Software Software 52

Percona

NOVEMBER 3, 2023

And now, execute the benchmark: -- execute the following on the coordinator node pgbench -c 20 -j 3 -T 60 -P 3 pgbench The results are not pretty. The default number of shards generated for a given table is 32. psql pgbench <<_eof1_ qecho adding node citus3. psql pgbench <<_eof1_ qecho adding node citus3.

Database 114

Database Benchmarking Latency C++ 114

HammerDB

JUNE 27, 2022

Databases are highly sophisticated software, and to design and run a fair benchmark workload is a complex undertaking. The TPC designed benchmarks for transaction processing (OLTP) and analytics (OLAP) and anyone can run these benchmarks, have them audited by the TPC and published on the official benchmark rankings. HammerDB Licensing.

Benchmarking 63

Benchmarking Open Source C++ Cache 63

Testsigma

APRIL 23, 2021

Appium: Appium is one of the most preferred testing tools, especially by the open-source community. It also supports the testing of native, hybrid, and mobile web apps across various programming languages like Java, Ruby, C#, Javascript, PHP, Python. Being open-source, it also has a rich community! .

Testing Tools 86

Testing Tools Mobile Testing Open Source 86

Percona

DECEMBER 22, 2022

Percona Distribution for PostgreSQL provides the best and most critical enterprise components from the open-source community, in a single distribution, designed and tested to work together. Download Percona Distribution for PostgreSQL Today!

C++ 78

C++ Database Open Source Monitoring 78

Sutter's Mill

DECEMBER 31, 2022

10 design notes On the cppfront wiki , I’ve written more design notes about specific parts of the Cpp2 language design that answer common questions. Specific language feature design topics, such as unified function call syntax (UFCS), const , and namespaces. All I did was change the default to enable them.

C++ 76

C++ Lambda Open Source Design 76

Percona

JUNE 20, 2023

In order to understand “segmentation fault,” it is a must to know the basic idea of segmentation and its implementation in C programming. In order to overcome these issues, the concept of paging and segmentation was introduced, where physical address space and virtual address space were designed. 0ubuntu1~20.04.1)

Programming 103

Programming C++ Database Virtualization 103

Percona

FEBRUARY 23, 2023

join('n')") $ for i in $mycolls; do mongoexport -d $mydb -c $i |zstd| s3cmd put - s3://mbackups/$ts/$mydb/$i.json.zst; done 2023-02-07T19:30:37.163+0100 connected to: mongodb://localhost/ 2023-02-07T19:30:38.164+0100 [#######.] ts=$(date +%Y-%m-%d.%H-%M) H-%M) $ mydb="db2" $ mycolls=$(mongo --quiet $mydb --eval "db.getCollectionNames().join('n')")

AWS 142

AWS Storage Database Open Source 142

Percona

OCTOBER 3, 2023

Database systems like MySQL rely on their own memory management systems, carefully designed to optimize performance and ensure efficient memory allocation. The larger page sizes that accompany THP may result in inefficient memory allocation, leading to fragmentation and suboptimal memory usage. Try Percona Distribution for MySQL today!

Database 111

Database Servers Open Source C++ 111

Percona

DECEMBER 26, 2023

Percona Distribution for PostgreSQL provides the best and most critical enterprise components from the open-source community, in a single distribution, designed and tested to work together. tps, lat 11.718 ms stddev 3.951 progress: 4440.0 tps, lat 11.075 ms stddev 3.519 progress: 4445.0 Happy monitoring!

Benchmarking 141

Benchmarking Metrics C++ Database 141

Testsigma

NOVEMBER 18, 2021

API Tests are faster to design, execute and maintain. Master at least one programming language, preferably Java, Python, or C#, so that you can design and create scripted tests. Focus on taking up courses around test automation, either with open source or commercial tools. Manual test data provisioning.

Engineering 104

Engineering Social Media DevOps Azure 104

The Netflix TechBlog

JANUARY 24, 2022

There are roughly 50 performance tests, each one designed to reproduce an aspect of member engagement. In the future we plan to decouple anomaly and changepoint logic from our test infrastructure and offer it as a standalone open-source library. in this case the metric of interest is the percent of tests that ran to completion.

Performance 208

Performance Performance Testing Metrics Testing 208