The Netflix TechBlog

OCTOBER 15, 2019

Issues: This needs to be implemented as a library and ideally without requiring code changes for the application using it. Thus, ensuring the atomicity of writes across different storage technologies remains a challenging problem for applications [3]. Queue 17, 1, pages 40 (February 2019), 21 pages. Online Event Processing.

Transportation 192

Transportation Architecture Processing Storage 192

Dynatrace

OCTOBER 15, 2021

The data is incredibly plentiful and difficult to store over long periods due to capacity limitations — a reason why private and public cloud storage services have been a boon to DevOps teams. This makes it easy to switch backends without the pain of re-instrumenting your code. Monitoring begins here. But how is that data generated?

Open Source 224

Open Source Metrics Cloud Transportation 224

Scalegrid

OCTOBER 7, 2019

PostgreSQL VACUUM is a technique to remove tuples that have been deleted or are now obsolete from their table to reclaim storage occupied by those dead tuples, also known as Bloat. of PostgreSQL deployments were strictly on-premises back in April from our 2019 PostgreSQL Trends Report and 55.8% #Java #Python #C Click To Tweet.

Strategy 182

Strategy Cloud Java Open Source 182

SQL Performance

MARCH 17, 2020

This follow-up post revisits the question for SQL Server 2019, using a larger number of rows. It has 32GB RAM, with 24GB available to the SQL Server 2019 instance. The code may be easier to read and understand than the recursive CTE. This code is provided for interest and is not included in the performance summary table.

Servers 86

Servers Tuning Database Efficiency 86

Dynatrace

NOVEMBER 17, 2020

With these release candidate APIs available, instrumentation for web frameworks, storage clients, and much more can be built. I worked on providing code-level insights for Java and.NET services and applications before shifting gears and joining the OpenTelemetry community back in May 2019. Dynatrace fully embraces OpenTelemetry.

Open Source 152

Open Source Software Engineering Government Java 152

Percona

MARCH 30, 2023

In simple terms, an open source database is this: It’s a database with source code that is free and available to all. Public accessibility enables and allows users to download, modify, and distribute the code. Their work produces higher-quality code and enables faster innovation, while maintaining high security standards.

Open Source 72

Open Source Database Storage Scalability 72

Testsigma

FEBRUARY 12, 2021

Are you aware that the scale of the app testing industry in 2019 was over USD$ 40 billion? In 2019, we had previously projected the demand for IoT research at $781.96billion. 38% of organisations were expected to introduce machine-learning initiatives in 2019, according to the Capgemini World Efficiency survey. billion in 2016.

Artificial Intelligence 92

Artificial Intelligence Software Software IoT 92

Percona

AUGUST 17, 2023

StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. PostgreSQL has powerful and advanced features, including asynchronous replication, full-text searches of the database, and native support for JSON-style storage, key-value storage, and XML.

Open Source 75

Open Source Healthcare Social Media Database 75

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 76

Virtualization Speed Database Efficiency 76

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 201

Infrastructure Monitoring Cloud Metrics 201

Percona

SEPTEMBER 1, 2023

This blog was originally published in February 2019 and was updated in September 2023. Character encoding refers to the method used to represent characters as binary data for storage and transmission. It specifies how characters are converted into binary code and vice-versa.

Performance 52

Performance Storage Social Media Database 52

The Morning Paper

NOVEMBER 8, 2020

replacing Paxos with Raft), or they could be shims over external storage systems. A minimal Loglet needs to provide totally ordered, durable storage via the shared log API. Clients trying to write to the old active segment after step 1 will receive a ‘sealed’ error code, and can retry after fetching the latest chain from the MetaStore.

Virtualization 126

Virtualization Latency Storage Systems 126

SQL Performance

SEPTEMBER 6, 2022

I happen to be using SQL Server 2019 CU16 but the details I’ll describe haven’t materially changed since partition level lock escalation was added to SQL Server 2008. Notice the lack of a check at 1250 due to the code quirk I mentioned. The code in HeapDataSetSession::EscalateLocks next calls sqlmin!IsEscalationPossible

Database 98

Database Storage Testing Servers 98

SQL Server According to Bob

MAY 19, 2019

As you can imagine, with a code base as large and vast as SQL Server, there is always room for improvement. For example, Azure SQL Database Edge can already use TSQL Predict Machine Learning (ML) and Column Storage. There are a bunch of folks with compiler, linker, SQL Server code, testing and other disciplines who provided input.

IoT 61

IoT Servers Development Cache 61

O'Reilly

JULY 25, 2023

If you’re reading this, chances are you’ve played around with using AI tools like ChatGPT or GitHub Copilot to write code for you. So far I’ve read a gazillion blog posts about people’s experiences with these AI coding assistance tools. For instance, if I’m reading a paper from 2019, a popular song from that year could start playing.

Programming 98

Programming Code Design Benchmarking 98

The Morning Paper

JANUARY 26, 2020

This week we’ll be looking at a selection of papers from the 2019 edition of the ACM Symposium of Cloud Computing ( SoCC ). Reverb also take a snapshot of the client’s local storage (e.g. The new code may make fewer, the same, or more calls to such functions depending on the branches explored.

Programming 86

Programming Servers Network Latency 86

Smashing Magazine

AUGUST 23, 2019

2019-08-23T13:30:59+02:00. 2019-08-23T13:06:42+00:00. Creating the Frontend JavaScript Code. Since the data behind the SOS marker is entropy coded (JPEGs use the Huffman coding ), there is another segment with the Huffman tables (DHT, hexadecimal FF C4 ) required for decoding before the SOS segment. and no more.

Network 103

Network Servers Programming Code 103

The Agile Manager

JANUARY 31, 2022

A great many of the local businesses cater to tourists, from bait shops to bars, resorts to equipment rental, boat docks and off-season boat storage. Property owners without permits are defrauding the county (out of tax revenues) and their customers (that the property is up to building code, health & safety code, and the like).

Government 59

Government Retail Games Storage 59

SQL Performance

NOVEMBER 30, 2021

Whether the page is dirty or not (a dirty page has changes on it that haven’t yet been written back to durable storage). Code would have to scan the entire list of buffers for the database, looking for buffers that map pages for the allocation unit in question. The memory location of the 8KB page in the buffer pool. ) ; GO.

Efficiency 54

Efficiency Servers Database Cache 54

Percona

JULY 7, 2023

Backup and continuous archiving: PostgreSQL asynchronous replication relies on the write-ahead log (WAL) stream, and it’s vital to have centralized storage that all nodes can access. StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021.

Availability 80

Availability Open Source Architecture Database 80

SQL Server According to Bob

DECEMBER 18, 2018

Device level flushing may have an impact on your I/O caching, read ahead or other behaviors of the storage system. 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. ·

Servers 90

Servers Media Cache Storage 90

KeyCDN

OCTOBER 31, 2019

According to StatCounter , as of September 2019, Google Chrome holds 63.72% browser market share across the globe. You can easily change the formatting of your minimized code by clicking on {}. Any changes will show up in your browser as if the change had actually been made to the source code.

Google 85

Google Website Network Media 85

Smashing Magazine

OCTOBER 29, 2019

2019-10-29T12:30:59+02:00. 2019-10-29T13:36:09+00:00. Here’s what Google suggests: PageSpeed Insights demonstrates how much storage and bandwidth websites stand to save with WebP. WebP lossy compression, on the other hand, uses what’s known as prediction coding to more accurately adjust the pixels in an image.

Website 72

Website Speed Cache Google 72

The Morning Paper

DECEMBER 3, 2019

I’m not really a fan of low-code / no-code / just drag-and-drop-from-our-catalogue forms of application development. ” As a final data point, low-code companies have been able to build sizeable businesses, e.g. Appian valued at $2.89B as I write, and Mendix acquired by Siemens for $700M in 2018.

Open Source 52

Open Source Programming Speed Software 52

Smashing Magazine

JANUARY 15, 2019

2019-01-15T13:30:32+01:00. 2019-04-29T18:34:58+00:00. An obvious metric here is CPU usage, but memory usage and other forms of data storage also play their part. You can read about more advanced dead code elimination (aka tree shaking) in this post for Google by Jeremy Wagner. Jack Lenox.

Website Performance 73

Website Performance Website Energy Performance 73

KeyCDN

OCTOBER 17, 2019

AV1 is the royalty-free video coding format that has most tech experts believing it is the next step in media compression. was released and approved in February of 2019 and is therefore ready to be used in production. The Future of AVIF AVIF is still in the early and experimental stages of existence in 2019. AVIF version 1.0.0

Media 43

Media Internet Internet Speed 43

HammerDB

JUNE 27, 2022

Given the increasing importance of open source and the widespread use of HammerDB, the TPC adopted HammerDB in 2019 and now hosts the project on GitHub. As a result, HammerDB was able to scale beyond other database workload applications. Adoption by the TPC. Usage and industry adoption.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

Alex Russell

AUGUST 30, 2021

I'm only aware of a few such instances: Apple's 2019 response to the U.S. Anyone who cares to download and fork the code can do so. " The eventual Blink fork was precipitated by an insurmountable difficulty in doing precisely what Apple suggested to Congress: contributing code upstream to WebKit to enable new features.

Engineering 98

Engineering Open Source Website Operating System 98

Enprowess

JANUARY 12, 2022

Easy Deployment: PWAs can be deployed easily using a single code base that runs on accelerated mobile pages and web browsers. Other benefits: It has other benefits like a Quicker launch to the market, Easier distribution, saving device power and storage, seamless maintenance, and updating. Famous PWA Use Examples.

Blockchain 59

Blockchain IoT Development Serverless 59

Smashing Magazine

NOVEMBER 8, 2018

2019-04-29T18:34:58+00:00. In this article, I will describe this latter solution, based on a WordPress application storing files on Amazon Web Services (AWS) Simple Storage Service (S3) (a cloud object storage solution to store and retrieve data), operating through the AWS SDK. Sharing Data Among Multiple Servers Through AWS S3.

AWS 44

AWS Servers Storage Cloud 44

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. Because of this, I think they will be a great choice for virtualization hosts and for Storage Spaces Direct nodes.

Servers 52

Servers Benchmarking Virtualization Architecture 52

HammerDB

OCTOBER 12, 2018

As is also the case this limitation is at the database level (especially the storage engine) rather than the hardware level. InnoDB is the storage engine that will deliver the best OLTP throughput and should be chosen for this test. . This is to be expected and is due to the limitations of the scalability of the storage engine.

Best Practices 40

Best Practices Scalability Performance C++ 40

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. This includes the design principles, server communications or data transfers and storage. What does enterprise mean from a tester’s POV?

Testing 52

Testing Website Small Business Internet 52

SQL Performance

NOVEMBER 13, 2019

Use the following code to create this table and populate it with sample data: SET NOCOUNT ON ; USE tempdb ; DROP TABLE IF EXISTS dbo. When there is a supporting index in place, you're limiting the storage engine to an index order scan strategy (following the index linked list). When order matters. CREATE TABLE dbo.

Servers 104

Servers C++ Storage Performance 104

SQL Performance

OCTOBER 7, 2020

Sorts use storage (memory and perhaps disk if they spill) so they do have a facility capable of storing rows between loop iterations. The Sort operator’s rewind behaviour may seem strange, but it has been this way from (at least) SQL Server 2000 to SQL Server 2019 inclusive (as well as Azure SQL Database). Sort Rewinds.

Servers 106

Servers Cache Azure Performance 106

Smashing Magazine

SEPTEMBER 27, 2019

2019-09-27T12:00:59+02:00. 2019-09-27T10:38:23+00:00. Code Repositories. All the code mentioned here is publicly available, and you can get to it whenever you want. Frankenstein Migration: Framework-Agnostic Approach (Part 2). Frankenstein Migration: Framework-Agnostic Approach (Part 2). Denys Mishunov. Large preview ).

Storage 67

Storage Testing Processing Code 67

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, 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 Network Metrics 145