Percona

DECEMBER 29, 2022

While working as a DBA, we perform many regular tasks, and one of them is upgrading our database systems. There are some techniques to perform a PostgreSQL database upgrade, such as data dump and import, logical replication, or in-site upgrade using pg_upgrade. for lib in $(psql -qtA pgbench -c"select extname||'.so'

C++ 82

C++ Open Source Database Programming 82

Official Blog - World Web Technology

AUGUST 27, 2023

Similarly, using the best programming language for your website is also crucial. When it comes to programming languages, you will find many options, but PHP is the most viable option to choose. It is one of the most preferred programming languages used by developers across the globe for website development. What is PHP?

Development 98

Development Ecommerce Open Source Website 98

HammerDB

MARCH 25, 2023

Docker build, example CLI scripts were added to build and run the TPROC-C workload in the Tcl language. these were enhanced to also add Python based scripts, and to include scripts for both TPROC-C and TPROC-H and a driver script for Linux environments. Copy Code Copied Use a different Browser ~/HammerDB-4.7$ In HammerDB v4.6

C++ 83

C++ Virtualization Benchmarking Database 83

Dynatrace

APRIL 11, 2023

The CVE Program, which publishes vulnerabilities as they become known, reported a 25% increase in vulnerabilities between 2021 and 2022. For example, the open source Java library at the heart of the Log4Shell crisis in 2021 was patched within days given the pervasiveness of the code.

Cloud 211

Cloud DevOps Open Source Retail 211

Adrian Cockcroft

FEBRUARY 9, 2023

We wanted AWS to grow its platform functionality, and to continually eat away at the bottom of the thin layer of rapidly evolving Netflix specific platform code that we had built. Both mobile and web front ends call an Application Program Interface (API) that is managed by an API proxy.

Engineering 137

Engineering Serverless Lambda AWS 137

Scalegrid

JUNE 18, 2019

To keep the example simple, we have specified the connection string and the cert file path directly in the code snippet – you would generally either put them in a yaml file or specify them as environment variables. Our yml file: development: # Configure available database clients. The user's database roles. default on 3.0

C++ 100

C++ Servers Database Testing 100

Percona

JUNE 4, 2023

Before we dive into the differences between MariaDB and MySQL, we will provide a thorough examination of each relational database management system (RDBMS). While originally designed to be a drop-in replacement for MySQL, it evolved into its own distinct database management system and is now maintained and supported by the MariaDB Foundation.

Open Source 52

Open Source Servers Storage Scalability 52

CSS Wizardry

JULY 21, 2018

le|c|sa|sc)ss$/{print}' | nl. This very non-scientific method of checking code usage should give you an approximate idea of what might be dead code, or what you might simply be able to ignore. For a slightly more robust, but still imperfect method of identifying dead code, try this technique that I wrote up earlier in 2018.

Programming 141

Programming C++ Database Code 141

Dynatrace

JULY 2, 2019

Automatic failure detection works well in most cases especially for web services and when developers follow good coding practices. It is basically an exception which the code doesn’t expect to occur and therefore doesn’t deal with. For instance, if I expect a “dataValidationException”, the code would look like this: Try. {.

Tuning 116

Tuning Artificial Intelligence Code Java 116

Testlodge

JULY 19, 2023

SOX compliance testing validates changes made to code and verifies adherence to internal controls. Testers are responsible for testing code changes to ensure accuracy. J-SOX and C-SOX are the Japanese and Canadian equivalents, respectively. Management work with internal auditors to create policies and controls.

Testing 81

Testing Energy Programming Government 81

Adrian Cockcroft

JUNE 21, 2022

I was mostly coding in C, tuning FORTRAN, and when I needed to do a lot of data analysis of benchmark results used the S-PLUS statistics language, that is the predecessor to R. We had specializations in hardware, operating systems, databases, graphics, etc. It was the first database sizing guide Sun had ever produced.

Tuning 52

Tuning Benchmarking Engineering C++ 52

ScaleOut Software

MAY 6, 2020

Developers need to write code that extracts patterns out of an incoming telemetry stream and take appropriate action. Existing programming models make it too difficult to perform meaningful analysis in real time. A database service to host state information for each user. A visualization tool that displays key statistics.

Development 52

Development Analytics Database Programming 52

ScaleOut Software

MAY 6, 2020

Developers need to write code that extracts patterns out of an incoming telemetry stream and take appropriate action. Existing programming models make it too difficult to perform meaningful analysis in real time. A database service to host state information for each user. A visualization tool that displays key statistics.

Development 52

Development Analytics Database Programming 52

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. All the databases that HammerDB tests implement a form of MVCC (multi-version concurrency control). On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute.

Programming 67

Programming Benchmarking Virtualization C++ 67

Scalegrid

OCTOBER 7, 2019

As this open source database continues to pull new users from expensive commercial database management systems like Oracle, DB2 and SQL Server, organizations are adopting new approaches and evolving their own to maintain the exceptional performance of their SQL deployments. Which Programming Languages are Most Popular for PostgreSQL?

Strategy 182

Strategy Cloud Java Open Source 182

SQL Performance

AUGUST 12, 2020

In my examples I’ll use a sample database called TSQLV5. So it could be that the term originated in one of the database products and later adopted by some of the other database vendors. So it could be that the term originated in one of the database products and later adopted by some of the other database vendors.

C++ 140

C++ Code Design Database 140

HammerDB

JULY 5, 2022

Python is a popular programming language, especially for beginners, and consequently we see it occurring in places where it just shouldn’t be used, such as database benchmarking. What programming languages does HammerDB use and why does it matter? Surely any language will do? Background and Concepts. usr/local/bin/tclsh8.6

Benchmarking 98

Benchmarking Database C++ Virtualization 98

HammerDB

MAY 26, 2022

If you are not already familiar with the programming languages that HammerDB uses, then this earlier post serves as an ideal introduction to what makes up the highest performing GIL free database benchmarking application. What programming languages does HammerDB use and why does it matter? GETTING STARTED ON LINUX. linux-glibc2.12-x86_64/bin.

C++ 113

C++ Database Servers Open Source 113

HammerDB

JUNE 27, 2022

HammerDB is a software application for database benchmarking. It enables the user to measure database performance and make comparative judgements about database hardware and software. Databases are highly sophisticated software, and to design and run a fair benchmark workload is a complex undertaking. The HammerDB name.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

O'Reilly

FEBRUARY 18, 2020

It’s the single most popular programming language on O’Reilly, and it accounts for 10% of all usage. In programming, Python is preeminent. Normalized search frequency of top programming languages on the O’Reilly online learning platform in 2019 (left) and the rate of change for each language (right). Figure 3 (above).

Software Architecture 137

Software Architecture DevOps Data Engineering Architecture 137

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 142

Azure Serverless IoT Lambda 142

Percona

AUGUST 30, 2023

If a PostgreSQL user wants to change these values, they need to recompile the PostgreSQL from the source code. This can be changed later using the pg_checksums utility, but that will be a painful exercise on a big database. Database level setting All options discussed so far have a global scope.

Database 107

Database Servers Open Source Tuning 107

SQL Performance

SEPTEMBER 9, 2020

Use the following code to create and populate the Employees table in the tempdb database: SET NOCOUNT ON ; USE tempdb ; DROP TABLE IF EXISTS dbo. Another option is to use imperative iterative code, but such solutions tend to be lengthy. FROM C AS M INNER JOIN dbo. FROM C AS M INNER JOIN dbo. Employees ; GO.

C++ 143

C++ Code Servers Availability 143

Smashing Magazine

MAY 25, 2022

The output of the code above would be the following: WeakMap {{…} => 'done'} man = null; console.log(human). The object is retained in memory and can be accessed with the following code: console.log(human[0]). As in every programming language, memory management is a key factor to consider when writing JavaScript.

Cache 119

Cache Programming Storage Code 119

Dotcom-Montior

OCTOBER 19, 2021

A typical SRE is busy automating, cleaning up code, upgrading servers, and continually monitoring dashboards for performance, etc., Programming Languages. Let us look at some of the most common programming languages an SRE group will encounter, like Python, Golang, and Ruby. so they are going to see more tools in that toolbelt.

Engineering 86

Engineering Open Source Programming Monitoring 86

Dynatrace

MAY 23, 2022

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. Monolithic architecture is development where an application is built on a single codebase, and the code is unilateral. Limited because of a single programming language.

Architecture 218

Architecture DevOps Monitoring Programming 218

HammerDB

NOVEMBER 30, 2018

HammerDB is open source and all of the source code is available at the sourceforge Git development site here [link] or the github mirror here [link]. In fact all of this source code is also included in readable form with each and every release. Programming Languages. Otherwise the code is the same on all platforms.

Architecture 40

Architecture Virtualization Open Source C++ 40

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Was there some other program consuming CPU, like a misbehaving Ubuntu service that wasn't in CentOS? top(1) showed that only the Cassandra database was consuming CPU. These can be invisible to top(8). But I'm not completely sure.

Speed 112

Speed Java AWS Virtualization 112

O'Reilly

MARCH 23, 2023

It can explain code that you don’t understand, including code that has been intentionally obfuscated. Sydney The internal code name of the chatbot behind Microsoft’s improved search engine, Bing. Bard Google’s code name for its chat-oriented search engine, based on their LaMDA model, and only demoed once in public.

Google 108

Google Open Source Programming Code 108

Dotcom-Montior

FEBRUARY 19, 2022

A typical SRE is busy automating, cleaning up code, upgrading servers, and continually monitoring dashboards for performance, etc., Programming Languages. Let us look at some of the most common programming languages an SRE group will encounter, like Python, Golang, and Ruby. so they are going to see more tools in that toolbelt.

Engineering 52

Engineering Open Source Programming Monitoring 52

Particular Software

MAY 8, 2023

When code breaks, our first move is carefully inspecting the call stack. For example, in a highly observable system, we can easily infer the internal state and behavior of the system without going back into the code to make changes when something unexpected occurs. Start order process| C[Order saga] C --> |3.

Systems 52

Systems C++ Azure Metrics 52

Testsigma

APRIL 8, 2020

Then the code can be refactored to improve its quality. Once the feature is developed, the test cases are automated in some programming language. Hands on with one of the programming languages (like JAVA (prefered), Python, Ruby, C#) that will be needed for automation of a test case in the backend. Image Source.

Development 96

Development Programming Testing Java 96

Smashing Magazine

JULY 16, 2019

Web scraping is a way to grab data from websites without needing access to APIs or the website’s database. Why hire someone to work at 1–2 minutes per query when you can get a program to perform a query automatically every few seconds? Note: Windows users will also need Microsoft Visual C++ 14.0, 2019-07-16T14:30:59+02:00.

Scalability 87

Scalability Website C++ Servers 87

SQL Server According to Bob

DECEMBER 18, 2018

Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently. Microsoft SQL Server Database Engine Input/Output Requirements. Red Hat, SUSE, HPE, Intel helping and confirming Linux behaviors and making file system code changes. The Back Story.

Servers 90

Servers Media Cache Storage 90

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Was there some other program consuming CPU, like a misbehaving Ubuntu service that wasn't in CentOS? top(1) showed that only the Cassandra database was consuming CPU. These can be invisible to top(8).

Speed 52

Speed Java AWS Virtualization 52

ScaleOut Software

AUGUST 25, 2020

Using information from the company’s organizational database, it populates each twin with the employee’s ID, team ID, department type, and location. Code running in the twin then sends messages to the real-time digital twins for all contacts in the employee’s list. C# was used for the demo application.)

Airlines 52

Airlines Mobile Analytics C++ 52

ScaleOut Software

AUGUST 25, 2020

Using information from the company’s organizational database, it populates each twin with the employee’s ID, team ID, department type, and location. Code running in the twin then sends messages to the real-time digital twins for all contacts in the employee’s list. C# was used for the demo application.)

Airlines 52

Airlines Mobile Analytics C++ 52