Thu.Mar 16, 2023

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SLOs done right: how DevOps teams can build better service-level objectives

Dynatrace

Service-level objectives help IT teams define technical success and align with top-line business objectives. But not all service-level objectives (SLOs) are created equal. So how do development and operations (DevOps) teams and site reliability engineers (SREs) distinguish among good, great, and suboptimal SLOs? In the 2023 Perform session “SLOs done right: A practitioners guide,” Michael Cabrera, SRE lead at Vivint, and Andreas Grabner, DevSecOps activist at Dynatrace, break down th

DevOps 217
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Metrics Part 2: The DORA Keys

DZone

The DORA metrics are pretty much an iceberg, with the five indicators sticking out above the surface and plenty of research hidden beneath the waves. With the amount of work that has been put into that program, the whole thing can seem fairly opaque when you start working with them. Let’s try to peek under the surface and see what’s going on down there.

Metrics 141
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Percona Labs Presents: Infrastructure Generator for Percona Database as a Service (DBaaS)

Percona

Let’s look at how you can run Percona databases on Kubernetes, the easy way. Chances are that if you are using the latest Percona Monitoring and Management (PMM) version, you have seen the availability of the new Percona Database as a Service (DBaaS). If not, go and get a glimpse of the fantastic feature with our docs on DBaaS – Percona Monitoring and Management.

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Simulating and Troubleshooting BLOCKED Threads in Kotlin [Video]

DZone

In this latest article of the series about simulating and troubleshooting performance problems in Kotlin, let’s discuss how to make threads go into a BLOCKED state. A thread will enter into a BLOCKED state if it can’t acquire a lock on an object because another thread already holds the lock on the same object and doesn’t release it. Kotlin BLOCKED Thread Program Here is a sample program that would make threads go into a BLOCKED state.

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Setting Uber’s Transactional Data Lake in Motion with Incremental ETL Using Apache Hudi

Uber Engineering

Uber’s Global Data Warehouse team leveraged Apache Hudi to drastically improve performance of traditional batch ETL pipelines by going incremental, improving business-critical data’s freshness, quality, and completeness.

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Sanity Testing Tutorial: A Comprehensive Guide

DZone

Sanity testing is a type of software testing executed on the stable build of an application with minor code changes. It is also known as surface-level testing. A sanity test is performed to ensure the application works as expected after the bug fixes or changes in the code. In the Software Development Life Cycle, software testing is an integral part of ensuring the performance of the software application.

Testing 100
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How to Develop a Simple Web Application Using Docker, Nginx, PHP, and Percona Server for MongoDB

Percona Community

I’m developing an application that takes data from different sources, processes it, and prepares reports. In this series of articles, I will explain how to install and configure the tools, application, and database to develop and run the application. About the application and choice of tools The application I develop gets data from GitHub, Jira, and websites via API, processes it and creates reports according to the desired requirements.

Servers 61

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How to Develop a Simple Web Application Using Docker, Nginx, PHP, and MongoDB

Percona Community

I’m developing an application that takes data from different sources, processes it, and prepares reports. In this series of articles, I will explain how to install and configure the tools, application, and database to develop and run the application. About the application and choice of tools The application I develop gets data from GitHub, Jira, and websites via API, processes it and creates reports according to the desired requirements.

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Design Factors For An Effective iOS Mobile App

Tech News Gather

8 factors to consider while iOS app designing App designing is a rapidly growing industry because users spend more time in apps than in browsers. The user engagement, customer satisfaction, and additional exposure that a good app design provides for your product all go up. Having an app could be very helpful if you offer any kind of digital goods or services.

Design 52
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How Much Does It Cost to Develop an App in 2023? Cost Breakdown

Official Blog - World Web Technology

If you have to name one invention in the last decade that has completely changed the world, what would it be? For me, it would be mobile apps. Just look around and see how mobile apps have changed the way we live today. You can play games online, you can order your food, shop, consult a doctor, and also find your partner online. It is not like we did not have these facilities before.