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. With the HammerDB v4.5 In HammerDB v4.6 With HammerDB v4.7 With HammerDB v4.7

C++ 83

C++ Virtualization Benchmarking Database 83

Sutter's Mill

NOVEMBER 12, 2022

A few minutes ago, the ISO C++ committee completed its second-to-last meeting of C++23 in Kona, HI, USA. Our host, the Standard C++ Foundation, arranged for high-quality facilities for our six-day meeting from Monday through Saturday. An example of a comment we just approved is adopting the proposal from Nicolai Josuttis et al.

C++ 75

C++ Virtualization Testing 75

Nick Desaulniers

MAY 12, 2019

Prefer f(void) in C to potentially save a 1B instruction per function call when targeting x86_64 as a micro-optimization. Doesn’t matter for C++. While messing around with some C code in godbolt Compiler Explorer , I kept noticing a particular funny case. For example, the following C code: 1. The Problem.

C++ 111

C++ Code Testing 111

Sutter's Mill

MARCH 11, 2024

To talk about C++’s current safety problems and solutions well, I need to include the context of the broad landscape of security and safety threats facing all software. tl;dr: I don’t want C++ to limit what I can express efficiently. tl;dr: I don’t want C++ to limit what I can express efficiently. issues with C++.

C++ 139

C++ Programming Code Java 139

HammerDB

FEBRUARY 26, 2024

Many of the HammerDB TPROC-C workloads have included features to prevent the database doing maintenance tasks for the previous run whilst another run is taking place. maria_purge = true } With this setting enabled, run your MariaDB TPROC-C workload as normal. Or in the CLI set the option maria_purge to true.

C++ 62

C++ Cache Database Virtualization 62

The Polyglot Developer

AUGUST 6, 2018

As you might know, I earned a Computer Science degree from the University of California, Merced, and most of the courses I took involved C++ development. While some of the more modern code schools teach JavaScript, the common university will continue to teach C++ for the foreseeable future.

C++ 40

C++ Code Development 40

Brendan Gregg

JANUARY 1, 2019

What is an example of eBPF tracing? For example, it does not trace every packet like older techniques, which can add too much performance overhead. encodings/ascii.pyc 25548 gnome-shell 33 0 /proc/self/stat 29588 device poll 4 0 /dev/bus/usb ^C. What's missing is production examples. encodings/ascii.x86_64-linux-gnu.so

C++ 111

C++ Virtualization Programming Code 111

Sutter's Mill

JULY 20, 2019

Obligatory comment: The C++20 Eagle has wings. At noon today, July 20 2019, the ISO C++ committee completed its summer meeting in Cologne, Germany, hosted with thanks by Think-Cell, SIGS Datacom, SimuNova, Silexica, Meeting C++, Josuttis Eckstein, Xara, Volker Dörr, Mike Spertus, and the Standard C++ Foundation.

C++ 98

C++ Education Programming Design 98

Sutter's Mill

FEBRUARY 22, 2021

Today, the ISO C++ committee held its second full-committee (plenary) meeting of the pandemic and adopted a few more features and improvements for draft C++23. Japan had participated in person during C++98 and C++11, and has always given us good remote ballot feedback during C++14/17/20, and is attending again now; welcome back!

C++ 73

C++ Virtualization Lambda Government 73

Sutter's Mill

NOVEMBER 13, 2020

On Monday, the ISO C++ committee completed its final full-committee (plenary) meeting of 2020 and adopted the first changes to the C++23 working draft, including a few new features. First up was P0330 by JeanHeyd Meneide , which adds a literal suffix for (signed) size_t, so in C++23 we will be able to write literals like 100uz.

C++ 70

C++ Virtualization Code Design 70

Sutter's Mill

JUNE 9, 2021

On Monday, the ISO C++ committee held its third full-committee (plenary) meeting of the pandemic and adopted a few more features and improvements for draft C++23. Slovakia is our newest national body to officially join international C++ work.

C++ 69

C++ Virtualization Code Testing 69

Sutter's Mill

JULY 25, 2019

For example, “pattern matching” had multiple papers, so I wanted to generate a subtotal also for votes for “all pattern-matching papers” as well as for each of the individual ones. The following are some highlights. The results may not be representative.

C++ 98

C++ Programming Network Efficiency 98

DZone

FEBRUARY 12, 2022

This article contains a very interesting example. It's a perfect example of how wrong code can crash one day, even though it could work for many years. We inspect an error pattern that the SEI CERT C++ coding standard describes as MSC52-CPP. Value-returning functions must return a value from all exit paths.

C++ 245

C++ Code Performance 245

Sutter's Mill

JULY 13, 2019

More about that in the post-meeting trip report after the meeting is over… FAQs (As of pre-Cologne, July 2019) There are bugs in the standard, so should we delay C++20? If we had just another meeting or two, we could add <feature> which is almost ready, so should we delay C++20? Of course, and no. Of course, and no.

C++ 98

C++ Entertainment Education Azure 98

The Netflix TechBlog

MARCH 7, 2024

The user can choose the most suitable tool for manipulating data, such as Pandas or Polars to use a dataframe API, or one of our internal C++ libraries for various high-performance operations. Example use case: Building model explainers Here’s a fascinating example of the usefulness of portable execution environments.

Systems 226

Systems Media Cache Open Source 226

Testsigma

FEBRUARY 3, 2021

Example: Let’s take an example of an e-commerce mobile app. Example: We are considering the same e-commerce app example, a small unit like ‘login’ may be tested during the unit testing. Example: Here, we test the integration of two or more modules like- from cart to make a payment module. Reference: [link].

Mobile 82

Mobile Testing Hardware C++ 82

Nick Desaulniers

JULY 23, 2015

21st Century C by Ben Klemens. There are a few other useful tools that came to mind that I’ve used when working with C and C++ codebases. C & C++ codebases; running these tools on the code or adding them to the codebases. with lots of C++ code have documents. was a great read. Code Formatters.

C++ 75

C++ Programming Open Source Code 75

Percona

FEBRUARY 16, 2023

I asked ChatGPT the question: “C an we backup and then remove the keyring file used for encryption at rest plugin after MySQL starts? ” We can verify that through the following example: We started MySQL with the configuration of “ early-plugin-load=keyring_file.so

Database 120

Database Servers Engineering Testing 120

The Polyglot Developer

FEBRUARY 16, 2022

For example, have you ever built a game and had a bunch of different builds floating around on your computer? The post Extract the Version Information of a Game with Unity and C# appeared first on The Polyglot Developer. Not only that, but it can help from a development perspective as well.

Games 59

Games C++ Development 59

DZone

SEPTEMBER 15, 2021

NUnit is a popular open-source unit testing framework for C#. In this NUnit Testing Tutorial, we look at the NUnit setup example of the environment for developing and executing NUnit tests. NUnit eases automation testing with C# as it is compatible with automation test suites such as Selenium.

C++ 231

C++ Open Source Speed Testing 231

HammerDB

JULY 14, 2021

adds full support for MariaDB in both the GUI as shown: And in the CLI as a separate database from MySQL, this post describes a setup and test for MariaDB using the CLI on Linux as an example running the TPROC-C workload. dbset db maria dbset bm TPC-C diset connection maria_socket /tmp/mariadb10234.sock HammerDB v4.2

Testing 57

Testing C++ Virtualization Tuning 57

Brendan Gregg

DECEMBER 31, 2018

What is an example of eBPF tracing? For example, it does not trace every packet like older techniques, which can add too much performance overhead. encodings/ascii.pyc 25548 gnome-shell 33 0 /proc/self/stat 29588 device poll 4 0 /dev/bus/usb ^C. What's missing is production examples. encodings/ascii.x86_64-linux-gnu.so

C++ 52

C++ Virtualization Programming Code 52

High Scalability

FEBRUARY 17, 2021

An application example is a session store recording recent actions. Application example: photo tagging; add a tag is an update, but most operations are to read tags. Workload C: Read only. Application example: user profile cache, where profiles are constructed elsewhere (e.g., Workload A: Update heavy workload.

Benchmarking 308

Benchmarking Latency C++ Database 308

The Polyglot Developer

APRIL 1, 2019

Building a Hello World Example C++ Application was a first example of what I was talking about. However, in this previous example, much of our work was done in a basic text editor, then compiled and ran with a Command Prompt or Terminal. It works, but it isn’t the most elegant.

C++ 49

C++ Code Development Programming 49

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

CSS Wizardry

OCTOBER 16, 2023

Concatenate Concatenation is probably the trickiest bit to get right because, even though the three C s happen in order, decisions we make later will influence decisions we make back here. In our specific examples above, the one-big-file pattern incurred 201ms of latency, whereas the many-files approach accumulated 4,362ms by comparison.

Cache 291

Cache Latency Strategy Speed 291

Dynatrace

MARCH 12, 2024

The business process observability challenge Increasingly dynamic business conditions demand business agility; reacting to a supply chain disruption and optimizing order fulfillment are simple but illustrative examples. They deliver the real-time precision needed for confident data-driven business decisions.

Processing 253

Processing Monitoring Analytics C++ 253

DZone

NOVEMBER 2, 2020

Two great examples to support the same statement would be the following. Let's start with Zoom, an incredible video-conferencing application on which almost today's world relies on was developed using JAVA and C++. The second example will be a food ordering application that again depends on several different coded script lines.

Java 247

Java Programming C++ Code 247

Percona

OCTOBER 13, 2023

Visual Studio Code (VS) supports memory dump debugging via C/C++ extension: [link]. Installing c/c++ extension We need to install the c/c++ extension. ext install ms-vscode.cpptools Once we install the c/c++ extension, we can find it in extensions. Here are the instructions for doing so.

Code 105

Code C++ Storage Programming 105

Sutter's Mill

MAY 1, 2023

Simple, mathematically safe, and efficient chained comparisons ( commit ) P0515 “Consistent comparison” (aka “spaceship”) was the first feature derived from this Cpp2 work to be adopted into the ISO Standard for C++, in C++20. Thank you again to everyone who helped land this Cpp2 feature in the ISO C++ Standard.

C++ 97

C++ Virtualization Lambda Code 97

Percona

DECEMBER 15, 2023

In PostgreSQL 15 and older versions postgres=#CREATE ROLE Alice CREATEROLE LOGIN; CREATE ROLE postgres=# CREATE role bob; CREATE ROLE postgres=# du bob List of roles Role name | Attributes | Member of --+ --+ -- bob | Cannot login | {} postgres=# c postgres alice You are now connected to database "postgres" as user "alice".

C++ 96

C++ Database Open Source Systems 96

The Netflix TechBlog

NOVEMBER 11, 2022

In semi-supervised anomaly detection models, only a set of benign examples are required for training. false-positive incidents), for example in the case of a buggy client or device. Given a labeled dataset, a supervised anomaly detection model can be built to distinguish between anomalous and benign incidents.

C++ 312

C++ Metrics Tuning Strategy 312

High Scalability

JANUARY 11, 2022

Subsequently, the data entities C and D denote the different actions which users may take. The entity C denotes the event where a user likes a post and entity D denotes the action when a user follows another user. For example, one user is a close follower of Elon Musk while another user can be a close follower of Gordon Ramsay.

Design 334

Design Media Storage Logistics 334

HammerDB

JULY 15, 2021

In the example below, the value 5000 can be seen as the fourth argument to the function do_tpcc. For example, for Oracle as shown “W_ID” of the table WAREHOUSE was set to the NUMBER data type with scale and precision of (4,0) meaning that the maximum number of warehouses permitted was 9999 before Oracle would generate an error.

C++ 52

C++ Virtualization Database Testing 52

Sutter's Mill

SEPTEMBER 28, 2023

file compilation looks like when compiled on the command line on my laptop: But note you can still build cppfront as all-today’s-C++ using any fairly recent C++20 compiler because I distribute the sources also as C++ (just as Bjarne distributed the cfront sources also as C). Here’s what that reflect.h2

C++ 89

C++ Cache Code Design 89

Dynatrace

NOVEMBER 11, 2022

Getting the information and processes in place to ensure alerts like this example can be organizationally difficult. For timely and effective root cause analysis when an issue occurs, it is critical that you have access to certain information, for example, the following: What went wrong? For example: Releases. Who performed it?

DevOps 183

DevOps C++ Serverless Processing 183

Dynatrace

JANUARY 17, 2023

OpenTelemetry SDKs are available for most contemporary programming languages, such as C++, Go, Java, JavaScript, and Python (see [link] for the full list). This example is a good starting point for exploratory analysis with context-aware Dynatrace Davis insights. order fulfillment, as well as a drop in fulfillment.

Analytics 283

Analytics Metrics Open Source Java 283