Dynatrace

JUNE 7, 2023

A typical design pattern is the use of a semantic search over a domain-specific knowledge base, like internal documentation, to provide the required context in the prompt. OneAgent can automatically monitor all C#,NET, Java, Go, and NodeJS bindings. Our example dashboard below visualizes OpenAI token consumption.

Monitoring 163

Monitoring Latency Metrics Azure 163

HammerDB

DECEMBER 5, 2020

compared to previous releases is that the workload names have changed from TPC-C and TPC-H to TPROC-C and TPROC-H respectively and therefore a key question is how are the v4.0 The simple answer is nothing, the workloads are exactly the same workloads derived from the TPC-C and TPC-H specifications and HammerDB v4.0

C++ 40

C++ Benchmarking Virtualization Open Source 40

Scalegrid

JANUARY 19, 2024

Therefore, companies must carefully consider key performance metrics and methodologies to stay relevant and successful in timely and trend-oriented markets. The persistent record maintained through journaling ensures durability and provides additional assurance for all performed writing operations within the database.

Database 130

Database Network Servers Monitoring 130

Dynatrace

NOVEMBER 8, 2021

Application performance monitoring (APM) solutions have evolved in recent years, and organizations now have plenty of options to choose from when selecting the right tools for their needs. APM solutions track key software application performance metrics using monitoring software and telemetry data. Dynatrace news.

Artificial Intelligence 231

Artificial Intelligence Monitoring Infrastructure Cloud 231

SQL Performance

SEPTEMBER 5, 2019

This article explores the batch data normalized representation, explains why not all eight-byte data types can fit within 64 bits, and shows an example of how all this affects batch-mode performance. c = COUNT_BIG ( * ) FROM #T AS T WHERE 1 = ( SELECT 1 ) -- Avoid trivial plan. c1 = @Start + N. FROM #Numbers AS N ; GO.

Performance 81

Performance C++ Storage Servers 81

Percona

OCTOBER 17, 2023

When multiple operations, such as reads and writes, attempt to access the database concurrently, WiredTiger uses tickets to ensure these operations do not conflict in a way that would compromise data integrity or performance. db.collection.checkMetadataConsistency() // Performs consistency checks on sharding metadata for the collection.

Metrics 103

Metrics C++ Storage Database 103

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. Run Percona XtraBackup 8.1

C++ 95

C++ Open Source Servers Database 95

Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Web performance is a tricky beast, isn’t it?

Performance 145

Performance Cache Media Metrics 145

Percona

OCTOBER 12, 2023

Kubernetes limitations In Linux, by default, performance system events can’t be collected by unprivileged users. This restricts the ability of running profilers to diagnose a performance issue from inside the container. In regular environments, this can be easily worked around by running the profiler with a sudo privilege.

Code 111

Code Tuning C++ Benchmarking 111

SQL Performance

SEPTEMBER 25, 2019

Performance spools are lazy spools added by the optimizer to reduce the estimated cost of the inner side of nested loops joins. An example plan shape showing a lazy table performance spool is below: The questions I set out to answer in this article are why, how, and when the query optimizer introduces each type of performance spool.

Performance 104

Performance Cache Servers Education 104

Percona

DECEMBER 29, 2023

These attacks can rapidly consume available connections, leaving legitimate users unable to connect and disrupting system functionality. These leaks can quickly deplete the available connection pool, hindering system performance and potentially leading to crashes. It’s like a bank account.

Servers 82

Servers Database C++ Airlines 82

Percona

MARCH 27, 2023

You might wonder why this error will come during PITR as the operations in the Oplog are idempotent, meaning they always result in the same change to the database no matter how many times they’re performed. I created a collection book with four documents with a unique compound index. sort({$natural:-1}).limit(1)

Games 96

Games Database Open Source C++ 96

Testlodge

JULY 19, 2023

Reasons for SOX Compliance In the late 1990s and early 2000s, the United States uncovered and then prosecuted several prominent businesses that had deceitfully falsified financial records and/or performed insider trading. J-SOX and C-SOX are the Japanese and Canadian equivalents, respectively. Generally, a yearly audit is performed.

Testing 81

Testing Energy Programming Government 81

Official Blog - World Web Technology

AUGUST 27, 2023

Unlike other popular programming languages such as C or Pearl, PHP pages have HTML with embedded code with some start and end processing instructions that allow you to jump directly into and out of PHP mode. Also, high-quality documentation is available for developers with any development issues and queries.

Development 98

Development Ecommerce Open Source Website 98

Percona

MARCH 8, 2023

21 Percona Server (GPL), Release 21, Revision c59f87d2854 Copyright (c) 2009-2022 Percona LLC and/or its affiliates Copyright (c) 2000, 2022, Oracle and/or its affiliates. Type 'c' to clear the current input statement. Type 'c' to clear the current input statement. Documentation for MariaDB can be found here.

C++ 95

C++ Database Servers Open Source 95

Alex Russell

MAY 9, 2022

Despite advances in browser tooling , automated evaluation , lab tools , guidance , and runtimes , however, teams struggle to deliver even decent performance with today's popular frameworks. What is Performance? It may seem a silly question, but what is performance, exactly?

Performance 86

Performance Latency Metrics Engineering 86

HammerDB

JUNE 27, 2022

It enables the user to measure database performance and make comparative judgements about database hardware and software. The Transaction Processing Performance Council (TPC) was founded to bring standards to database benchmarking, and the history of the TPC can be found here. What is HammerDB? Why HammerDB was developed.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

HammerDB

OCTOBER 17, 2018

This is a very typical FAQ and although detailed in the documentation some extra details may help in sizing and configuration. The official TPC-C test has a fixed number of users per warehouse and uses keying and thinking time so that the workload generated by each user is not intensive.

C++ 40

C++ Testing Virtualization Cache 40

Scalegrid

FEBRUARY 15, 2024

MongoDB® SSL with Self-Signed Certificates in C# Configuring MongoDB Server for SSL/TLS Encryption Once your certificates are ready, the next step is configuring the MongoDB server for SSL/TLS encryption, allowing you to securely connect to MongoDB. Please refer to the documentation of your driver for more details.

Servers 130

Servers Best Practices Government Network 130

Percona

SEPTEMBER 28, 2023

Memory Our usual recommendation is to use specific memory parameters, which we suggest to ensure optimal performance. Changing the value directly influences the performance of the Linux system. ’ This means that if the server cannot find a full page available in a row, it will defragment the memory before allocating it. .’

Servers 114

Servers Best Practices Database Open Source 114

SQL Performance

SEPTEMBER 21, 2022

But the available manipulation was limited and often resulted in complicated logic. For the full technical details, I provided links to the official documentation. The LEFT_SHIFT function, also available as the << operator, shifts the bits of the input value the requested number of bits to the left, filling vacant bits with 0s.

Servers 122

Servers C++ Code Cache 122

Testlodge

MARCH 15, 2023

Why is White Box Testing Performed? Testers perform white box testing for several reasons. Suppose developers perform unit testing before delivering code to testers. Finally, white box testing techniques are applied to ensure internal workings are performing as expected.

Testing 83

Testing Testing Tools Java Programming 83

Daniel Lemire

FEBRUARY 19, 2019

To get good results, we can use an important insight that is not documented anywhere at any length: we can use 64-bit processor instructions to do 32-bit arithmetic. My source code is available. There is no silver bullet but a simple C function can beat a state-of-the-art optimizing compiler. compiler (32-bit). direct (64-bit).

Benchmarking 138

Benchmarking C++ Games Code 138

Brendan Gregg

JANUARY 1, 2019

It can be used for many things: network performance, firewalls, security, tracing, and device drivers. Some of these have plenty of free documentation online, like for tracing, and others not yet. The term tracing refers to performance analysis and observability tools that can produce per-event info. encodings/ascii.so

C++ 111

C++ Virtualization Programming Code 111

Sutter's Mill

JUNE 3, 2021

Briefly, what is the difference among: (a) undefined behavior Undefined behavior is what happens when your program tries to do something whose meaning is not defined at all in the C++ standard language or library (illegal code and/or data). You’ll get some valid result, but you won’t know what the result is until your code looks at it.

C++ 54

C++ Programming Lambda Code 54

SQL Performance

AUGUST 12, 2020

You can find it in the documentation of Microsoft SQL Server and Azure SQL Database. Furthermore, it’s important not to confuse the use of table expressions and temporary tables, but that’s a performance related discussion that I will address in a future article. T-SQL supports it starting with SQL Server 2005. orderyear , CUR.

C++ 140

C++ Code Design Database 140

Smashing Magazine

JUNE 2, 2021

Improving The Performance Of An Online Store (Case Study). Improving The Performance Of An Online Store (Case Study). Every front-end developer is chasing the same holy grail of performance: green scores in Google Page Speed. For this article, we will focus on the first three and the performance adjustments for these.

Performance 116

Performance Cache Website Mobile 116

KeyCDN

JUNE 25, 2020

Vim was made available in 1991 and is a free, open source software. Available both as a command line interface and as a standalone program with a GUI, Vim is a text editor that is a modal version of the vi editor created for Unix in the 1970s; Vim stands for vi improved. For example, :w saves your file and :q allows you to exit Vim.

Games 125

Games Open Source Availability C++ 125

HammerDB

OCTOBER 23, 2023

HammerDB has always used stored procedures as a design decision because the original benchmark was implemented as close as possible to the example workload in the TPC-C specification that uses stored procedures. Additionally, reviewing official TPC-C full disclosure reports highlighted that all vendors also use stored procedures.

Benchmarking 62

Benchmarking Database Network C++ 62

CSS Wizardry

NOVEMBER 3, 2020

A couple of years ago, my first few days on a new web performance project were always slow going. Unless a client hires you to specifically improve the performance of one page, you’ll need a broad view of the whole site or application. In a separate sheet—available at the same link as before —I’ve simply graphed the data by page type.

Speed 292

Speed Ecommerce Metrics Analytics 292

SQL Performance

AUGUST 1, 2022

Both functions were, and at the time of writing still are, available only as window functions. 75 Test XYZ Student C 55 Test XYZ 77.5 Computing accurate percentiles has negative implications in terms of memory footprint and performance. For example, the following query computes both the continuous and the discrete median (0.5

Servers 142

Servers Testing C++ Code 142

Sutter's Mill

JANUARY 11, 2021

Assertions have been a foundational tool for writing understandable computer code since we could write computer code… far older than C’s assert() macro, they go back to at least John von Neumann and Herman Goldstine (1947) and Alan Turing (1949). 1,2] How well do we understand them… exactly? What is an assertion, and what is it used for?

C++ 58

C++ Programming Code Testing 58

SQL Server According to Bob

MAY 20, 2018

I have been asked several times about how to get a Performance Monitor like view on Linux. There are lots of Linux tools available (top, iotop, Grafana, and SQL Sentry just scratch the surface of available options) to monitor the Linux system. Performance Co-Pilot. pmrep – c onvert to CSV or other formats: [link].

Monitoring 40

Monitoring Servers Performance C++ 40

Smashing Magazine

JANUARY 6, 2020

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Vitaly Friedman.

Performance 145

Performance Cache Network Metrics 145

HammerDB

OCTOBER 8, 2018

This post gives a HOWTO guide on system configuration for achieving top levels of performance with the HammerDB PostgreSQL TPC-C test. Firstly for system choice a 2 socket system is optimal for PostgreSQL OLTP performance at the time of writing. Make sure that your CPU is configured for optimal performance.

Best Practices 40

Best Practices Scalability Performance Hardware 40

Percona

APRIL 17, 2023

To install PMM, I’ll follow the instructions from the official documentation in installing pmm and add several databases to PMM. Preparing Datadog side: You can find a complete list of Available Datadog agents for different OS inside the user account. I’ll use the OpenMetrics integration available in Datadog.

Monitoring 72

Monitoring Metrics Database Open Source 72

Percona

AUGUST 30, 2023

In this blog, I am trying to list the options available for users and list them in increasing order of priority. For example, the high availability solution Patroni passes some of the most critical parameters as a command line argument. Please refer to the documentation: [link] to understand different contexts of PostgreSQL parameters.

Database 104

Database Servers Open Source Tuning 104