Testsigma

JANUARY 7, 2022

2014 saw the trend of mobile app testing as they were becoming a multi-billion dollar business all over the world. 2015 saw the trend of scriptless testing and IoT focussed methodologies. So the trend of mobile web testing came into the picture. AI and Machine learning-based testing.

Artificial Intelligence 89

Artificial Intelligence IoT Software Software 89

Dynatrace

AUGUST 16, 2021

Automating lifecycle orchestration including monitoring, remediation, and testing across the entire software development lifecycle (SDLC). Providing standardized self-service pipeline templates, best practices, and scalable automation for monitoring, testing, and SLO validation. Example #1 – Deploy application code to Kubernetes.

Software 246

Software Software Open Source Azure 246

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop.

Speed 126

Speed Java AWS Virtualization 126

Dynatrace

JUNE 15, 2023

Unfortunately, traditional security testing and software composition analysis requires significant time to return results. This process can delay deployments or cause developers to skip security testing completely to meet project deadlines. Likewise, attacks on open source libraries have increased.

Cloud 171

Cloud Open Source Architecture Monitoring 171

Dynatrace

NOVEMBER 29, 2022

With a skeleton staff of 7 on a on 24×7 schedule, we increased the number releases from 2 to 26 per year and reduced production bugs by 93% since 2014. Dynatrace IT itself has implemented a NoOps model for our own IT operations. Dynatrace achieved its own IT transformation using infrastructure-as-code principles and Cloud Automation.

Infrastructure 167

Infrastructure Code Cloud DevOps 167

The Netflix TechBlog

APRIL 17, 2019

Netflix headquarters circa 2014. The open-source encoder should also enable easy experimentation and a platform for testing new coding tools. It can be argued that extensive parallelization may have compression efficiency trade-offs but it also allows testing more encoding options. Furthermore, unit tests will cover new code.

Open Source 166

Open Source Scalability Speed Efficiency 166

Dynatrace

NOVEMBER 8, 2021

To deliver flawless user experiences, an APM solution should be able to delve into real-user monitoring and synthetic testing, with the ability to replay session-level details. Dynatrace was spun off from Compuware following the privatization of Compuware in December 2014. User experience diagnostics. Insight into business KPIs.

Artificial Intelligence 226

Artificial Intelligence Monitoring Infrastructure Cloud 226

Dynatrace

JULY 13, 2020

At the start, Docker was mainly use d by developers for testing purpose s , but the main challenge was to manage containers at scale in real-world production environments. . ? Why are containers so hot?? . ? it announced Kubernetes , an open-source project based on the experience and lessons learned from Borg and Omega. .

Google 131

Google Ecommerce DevOps Cloud 131

Dynatrace

JULY 13, 2020

At the start, Docker was mainly use d by developers for testing purpose s , but the main challenge was to manage containers at scale in real-world production environments. . ? Why are containers so hot?? . ? it announced Kubernetes , an open-source project based on the experience and lessons learned from Borg and Omega. .

Google 130

Google Ecommerce DevOps Cloud 130

The Morning Paper

OCTOBER 1, 2020

That app is subject to “voluminous (public) user feedback”, and in the 2014 floating-point based calculator, bug reports relating to inaccurate results, unnecessary zeroes, and the like. The scheme above gives arbitrary precision, but doesn’t let us test for equality. It’s a classic software development moment. Deciding equality.

Java 143

Java Hardware Open Source Testing 143

Dynatrace

MAY 31, 2021

Since Kubernetes emerged in 2014, it has become a popular solution for scaling, managing, and automating the deployments of containerized applications in distributed environments. At its start in 2013, Docker was mainly used by developers as a sandbox for testing purposes. What are containers, and why are they so hot?

Virtualization 132

Virtualization DevOps Infrastructure Cloud 132

Brendan Gregg

NOVEMBER 29, 2017

It's all a bit confusing, and I wrote about this in 2014: [Xen Modes]. When I joined Netflix in 2014, we had begun transitioning from PV to HVM (PVHVM). My colleague Amer Ather was responsible for testing it and making it work at Netflix, and posted some of his results: [2 Million Packets Per Second on a Public Cloud Instance].

Virtualization 111

Virtualization AWS Hardware Storage 111

SQL Performance

MAY 16, 2019

Both of the following tests must pass for SQL Server to choose to set DMLRequestSort to true when inserting to an empty clustered index with table locking specified: An estimate of more than 250 rows at the input side of the Clustered Index Insert operator; and. Test ; END ; GO. DMLRequestSort Conditions. DROP TABLE dbo. DEFAULT ''. )

Cache 67

Cache Servers Testing Storage 67

SQL Performance

MAY 1, 2019

The following demo script should be run on a development instance in a new test database set to use the SIMPLE recovery model. For SQL Server 2014 and later , the transition point is 950 rows for this table. An example call stack is shown below: The essence of the test is: The insert must be for more than 250 rows. DETAILED'. )

Servers 47

Servers Database Testing Performance 47

SQL Performance

JULY 27, 2021

You might wonder why I’m writing about an issue that affects older versions, but there are still a huge number of SQL Server 2014 and older instances out there, so it's a valid topic for my series. I strongly recommend you read the initial post in the series before this one, so you have all the general background knowledge about latches.

C++ 54

C++ Servers Database Code 54

CSS - Tricks

NOVEMBER 26, 2021

There was a spurt of articles about will-change around 2014/2015 that warn about weird behavior, like unexpected changes in stacking contexts and being careful not to use it “too much.” We’re capable of that kind of testing, so I’ll put it in the idea pile. This is front-end development after all.

Speed 60

Speed Performance Testing Design 60

Brendan Gregg

MAY 16, 2017

When I joined Netflix in April 2014, we had over 40 million subscribers in 41 countries. In the last three years I developed the ftrace-based [perf-tools] and used them to solve many problems, which I wrote about in [lwn.net] and spoke about at [LISA 2014]. We are now in 190 countries and just crossed [100 million subscribers]!

Java 75

Java Entertainment Engineering Scalability 75

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop.

Speed 40

Speed Java AWS Virtualization 40

MachMetrics

JUNE 16, 2020

Google made SSL use a ranking factor way back in 2014, and since Chrome 68, a “Not Secure” warning appears next to the URL of sites that aren’t using HTTPS. These types of intrusions can be very difficult to find and remove once in place. To be completely honest, you almost have to use it. Source: Google Blog.

Speed 86

Speed Latency Google Website 86

SQL Performance

SEPTEMBER 29, 2021

Joe Sack went into detail about this enhancement added back in SQL Server 2014: “ Exploring Low Priority Lock Wait Options in SQL Server 2014 CTP1.”. Also note that, while there were no exceptions for the schema transfer tests when using SQLQueryStress, you might hit some more strict timeouts depending on the consuming application.

Servers 55

Servers Games Database Processing 55

Smashing Magazine

OCTOBER 27, 2021

The eye-tracking methodology can be extremely valuable for usability tests since it records the journey without interfering with the users’ natural behavior. Imagine, for example, that you test a prototype but discover that users are not interacting with the interface how they are supposed to. Mariana Macedo. 2021-10-27T10:00:00+00:00.

Mobile 111

Mobile Website Hardware Social Media 111

Brendan Gregg

SEPTEMBER 25, 2021

These strange questions came to the fore back in 2014 when Netflix was switching services from CentOS Linux to Ubuntu, and I helped debug several weird performance issues including one I'll describe here. There's also a test and println() in the loop to, hopefully, convince the compiler not to optimize-out an otherwise empty loop.

Speed 52

Speed Java AWS Virtualization 52

Smashing Magazine

JULY 29, 2021

The 2014 MacBooks got the first “retina” screens (retina being synonymous with high density). Among PC laptops , I tested two 15.6-inch To be sure, I tested it. Here I am testing a CSS centimeter unit with a tape measure on a mid-2019 13-inch MacBook: As you can see, a CSS centimeter is obviously not equal to a physical one.

Operating System 145

Operating System Mobile Testing Systems 145

SQL Server According to Bob

JUNE 3, 2016

In the Sep 2014 the SQL Server CSS and Development teams performed a deep dive focused on scalability and performance when running on current and new hardware configurations. The SQL Server Development team tasked several individuals with scalability improvements and real world testing patterns. Try SQL Server 2016 Today.

Hardware 40

Hardware Software Engineering Transportation Scalability 40

Tasktop

JULY 22, 2020

It was just after I had given my talk at the initial Gene Kim DevOps Enterprise Summit in San Francisco in 2014. Much of the work done in the last decade was in the form of locally optimizing a component of the value stream, such as development/testing with CI/CD.

Transportation 52

Transportation DevOps Software Software 52

Brendan Gregg

AUGUST 29, 2021

Smaller File Test For further confirmation, I collected the same outputs for a 32 Gbyte file upload. cachestat]: /blog/2014-12-31/linux-page-cache-hit-ratio.html [60-second performance checklist]: Articles/Netflix_Linux_Perf_Analysis_60s.pdf [bcc]: [link] cachestat shows a ~100% cache hit ratio: # /apps/perf-tools/bin/cachestat.

Cache 105

Cache C++ AWS Latency 105

SQL Server According to Bob

SEPTEMBER 26, 2016

As we moved towards SQL Server 2014, the pace of hardware accelerated. Our design for SQL Server 2012 and SQL Server 2014 is still proven and meets the demands for many of our customers. The yellow line represents throughput results for SQL Server 2014 with a single sync replica.

Availability 40

Availability Servers Hardware Benchmarking 40

Alex Russell

JUNE 22, 2022

Defenders of Apple's monopoly offer hard-to-test claims, but many boil down to the idea that Apple's product is inferior by necessity. This will, in turn, cause developers to skimp on testing for Safari, making it inevitable that browsers based on WebKit and other minority engines cannot compete. Or so the theory goes.

Engineering 110

Engineering Traffic Government Google 110

Tim Kadlec

SEPTEMBER 25, 2014

For this test, I decided to profile just jQuery 2.1.1, The results above are based on the median times taken from 20 tests per browser/device combination. The results above are based on the median times taken from 20 tests per browser/device combination. Macbook Air (2014). Macbook Air (2014). Macbook Air (2014).

Latency 41

Latency Google Hardware Servers 41

SQL Server According to Bob

JUNE 3, 2016

The following chart shows the same 1TB database testing. Use SQL Server Management Studio (SSMS) or your favorite query editor to connect to a SQL Server 2012 or 2014 instance. SQL Server 2014. MultiObjectScanner = Older design. CheckScanner = New design. Paste the script below in a new query window. or newer release.

Hardware 40

Hardware Cache Servers Software Engineering 40

The Morning Paper

JANUARY 23, 2020

Today we’ll be digging into the analysis of an incident that took place at Etsy on December 4th, 2014. Peer consensus was the primary mechanism used to decide whether to take actions affecting the production systems, and on two occassions changes were pushed through without waiting for automated tests to complete.

Internet 53

Internet Internet Cache Engineering 53

Alex Russell

APRIL 29, 2021

Thanks to the Web Platform Tests project and wpt.fyi , we have the makings of an answer for the first: Tests that fail only in a given browser. wpt.fyi 's new Compat 2021 dashboard narrows this full range of tests to a subset chosen to represent the most painful compatibility bugs : Stable-channel Compat 2021 results over time.

Media 145

Media Games Education Engineering 145

SQL Performance

MARCH 17, 2020

Back in 2014, I wrote an article called Performance Tuning the Whole Query Plan. Test Environment. Each test result represents the best of ten runs, with all required data and index pages in memory. Cost" column shows the optimizer's cost estimate for each query as reported on the test system. Final Thoughts.

Servers 86

Servers Tuning Database Efficiency 86

Speed Curve

MARCH 31, 2014

To keep inline with browser trends and average connection speeds SpeedCurve will begin updating the test setting every quarter.

Speed 40

Speed Latency Internet Internet 40

Brendan Gregg

NOVEMBER 28, 2017

It's all a bit confusing, and I wrote about this in 2014: [Xen Modes]. When I joined Netflix in 2014, we had begun transitioning from PV to HVM (PVHVM). My colleague Amer Ather was responsible for testing it and making it work at Netflix, and posted some of his results: [2 Million Packets Per Second on a Public Cloud Instance].

Virtualization 40

Virtualization AWS Hardware Storage 40

SQL Performance

JUNE 21, 2019

Managed Instance sets a max server memory value based on the deployed tier, however when I tested resizing the environment, the max memory value was not dynamically changed. For SQL Server 2008R – 2014, you could lower this threshold using trace flag 2371. In that situation, you would need to manually update the value.

Servers 49

Servers Azure Hardware Database 49

Scalegrid

JULY 17, 2020

2014) added support for JSONB data type. Why not just create a table with a JSONB blob and get rid of all columns like the schema below: CREATE TABLE test(id int, data JSONB, PRIMARY KEY (id)); At the end of the day, columns are still the most efficient technique to work with your data. JSON database in 9.2 Wave 2: PostgreSQL 9.4

Storage 321

Storage Database Efficiency Processing 321