Dynatrace

SEPTEMBER 23, 2021

However, to be secure, containers must be properly isolated from each other and from the host system itself. Many good security tools provide that function, and benchmarks from the Center for Internet Security (CIS) are clear and prescriptive. Network scanners that see systems from the “outside” perspective.

Open Source 279

Open Source Benchmarking Best Practices Network 279

DZone

FEBRUARY 27, 2021

One, by researching on the Internet; Two, by developing small programs and benchmarking. They still will win for mission-critical or real-time systems, which need performance over these parameters. In Byteland they have a very strange monetary system. Input The input will contain several test cases (not more than 10).

Java 214

Java C++ Benchmarking Programming 214

Dynatrace

AUGUST 26, 2024

DORA seeks to strengthen the cybersecurity resilience of the EU’s banking and financial institutions by requiring them to possess the requisite processes, systems, and controls to prevent, manage, and recover from cybersecurity incidents. Conduct digital operational resilience testing to simulate various scenarios. Penetration testing.

Best Practices 264

Best Practices Government Infrastructure Analytics 264

The Morning Paper

DECEMBER 5, 2019

Benchmarking spreadsheet systems Rahman et al., construct a set of benchmarks to try and understand what might be going on under the covers in Microsoft Excel, Google Sheets, and LibreOffice Calc. Basic complexity testing. The other systems avoid this recomputation, but are slower than Excel for value-only datasets.

Benchmarking 56

Benchmarking Systems Google Scalability 56

Dynatrace

JUNE 21, 2024

They collect data from multiple sources through real user monitoring , synthetic monitoring, network monitoring, and application performance monitoring systems. Common user action metrics (or performance testing metrics) measured and monitored in DEM include the following: User action duration. The time taken to complete the page load.

Best Practices 264

Best Practices Monitoring Metrics Transportation 264

The Netflix TechBlog

MAY 21, 2019

using RL agents for test case scheduling By: Stanislav Kirdey , Kevin Cureton , Scott Rick , Sankar Ramanathan Introduction Netflix brings delightful customer experiences to homes on a variety of devices that continues to grow each day. Detect a regression in a test case. These problems could be solved in several different ways.

Testing 164

Testing AWS Lambda Network 164

Dynatrace

AUGUST 3, 2022

Malicious attackers have gotten increasingly better at identifying vulnerabilities and launching zero-day attacks to exploit these weak points in IT systems. A zero-day exploit is a technique an attacker uses to take advantage of an organization’s vulnerability and gain access to its systems.

Java 261

Java Traffic Benchmarking Strategy 261

Dynatrace

JUNE 27, 2022

These development and testing practices ensure the performance of critical applications and resources to deliver loyalty-building user experiences. However, not all user monitoring systems are created equal. In some cases, you will lack benchmarking capabilities. Application or service lifecycle testing at every stage.

Best Practices 244

Best Practices Monitoring Wireless Traffic 244

The Netflix TechBlog

MARCH 14, 2023

We implemented a batch processing system for users to submit their requests and wait for the system to generate the output. This limited pilot system greatly reduced the time spent by our users to manually analyze the content. Maintaining disparate systems posed a challenge. Processing took several hours to complete.

Media 299

Media Innovation Energy Architecture 299

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. We use stored procedures because, as the introductory post shows, using single SQL statements turns our database benchmark into a network test).

Benchmarking 98

Benchmarking Database C++ Virtualization 98

Dynatrace

OCTOBER 2, 2023

Because they’re separate, they allow for faster release cycles, greater scalability, and the flexibility to test new methodologies and technologies. However, the distributed system of a microservices architecture comes with its own cost: increased application complexity and convoluted testing. create a microservice; 2.

Architecture 278

Architecture Artificial Intelligence Cloud Open Source 278

Dynatrace

JULY 13, 2021

As organizations aim for faster delivery of value to their customers, the frequency of releases inevitably increases, which introduces risks and uncertainty into production systems—unless automated tests and quality gates can be leveraged to provide confidence. What are quality gates?

Cloud 246

Cloud DevOps Benchmarking Speed 246

Smashing Magazine

MARCH 2, 2021

The State Of Mobile And Why Mobile Web Testing Matters. The State Of Mobile And Why Mobile Web Testing Matters. And to ensure the quality of a product, we always need to test — on a number of devices, and in a number of conditions. What’s a representative device to test on in 2021? Kelvin Omereshone. State Of Mobile 2021.

Mobile 142

Mobile Testing Website Benchmarking 142

Dynatrace

JULY 31, 2024

The resulting outages wreaked havoc on customer experiences and left IT professionals scrambling to quickly find and repair affected systems. Dynatrace offers various out-of-the-box features and applications to provide a high-density overview of system health for all hosts and related metrics in a single view.

Airlines 258

Airlines Monitoring Healthcare Traffic 258

Dynatrace

FEBRUARY 10, 2022

Static Application Security Testing (SAST) solutions are a traditional way of addressing this. Compared to intrusion detection systems (IDS/IPS), WAFs are focused on the application traffic. Cloud-native technologies, including Kubernetes and OpenShift, help organizations accelerate innovation and drive agility.

Traffic 246

Traffic Benchmarking Innovation Java 246

The Netflix TechBlog

OCTOBER 19, 2020

which is difficult when troubleshooting distributed systems. Troubleshooting a session in Edgar When we started building Edgar four years ago, there were very few open-source distributed tracing systems that satisfied our needs. Investigating a video streaming failure consists of inspecting all aspects of a member account.

Infrastructure 238

Infrastructure Transportation Storage Open Source 238

HammerDB

SEPTEMBER 24, 2024

The key findings of the article were as follows: This server had a HammerDB benchmark running against it. One possibility – and in this case, the most probable conclusion – is that the client test machine was overwhelmed and could not respond to the server fast enough. But why are we running a COPY operation during a benchmark anyway?

Benchmarking 68

Benchmarking Performance Metrics Database 68

Scalegrid

OCTOBER 24, 2019

MySQL on AWS Performance Test. AWS High Performance XLarge (see system details below). MySQL Performance Benchmark Configuration. MySQL Performance Test Scenarios and Results. Each scenario is run with varying number of sysbench client threads ranging from 50 to 400, and each test is run for a duration of 10 minutes.

AWS 183

AWS Latency Performance Performance Testing 183

Percona

DECEMBER 26, 2023

Although the default configuration simulates loading based loosely upon TPC-B, it is nevertheless easy to test other use cases by writing one’s own transaction script files. A script executing a benchmarking run: #!/bin/bash tps, lat 11.718 ms stddev 3.951 progress: 4440.0 tps, lat 11.075 ms stddev 3.519 progress: 4445.0

Benchmarking 141

Benchmarking Metrics C++ Database 141

HammerDB

OCTOBER 18, 2019

HammerDB doesn’t publish competitive database benchmarks, instead we always encourage people to be better informed by running their own. So over at Phoronix some database benchmarks were published showing PostgreSQL 12 Performance With AMD EPYC 7742 vs. Intel Xeon Platinum 8280 Benchmarks . uname -a Linux ubuntu19 5.3.0-rc3-custom

Benchmarking 63

Benchmarking Performance Hardware C++ 63

The Netflix TechBlog

SEPTEMBER 2, 2020

Edgar helps Netflix teams troubleshoot distributed systems efficiently with the help of a summarized presentation of request tracing, logs, analysis, and metadata. The more complex a system, the more places to look for clues. In an earlier blog post, we discussed Telltale , our health monitoring system. What is Edgar?

Latency 298

Latency Transportation Engineering Traffic 298

Percona

DECEMBER 11, 2023

This segregation facilitates optimized I/O operations, preventing potential bottlenecks and enhancing overall system performance. We performed a standard benchmarking test using the sysbench tool to compare the performance of a DLV instance vs a standard RDS MySQL instance, as shared in the following section.

AWS 117

AWS Benchmarking Performance Traffic 117

The Netflix TechBlog

NOVEMBER 13, 2023

In this blog post, we will introduce speech and music detection as an enabling technology for a variety of audio applications in Film & TV, as well as introduce our speech and music activity detection (SMAD) system which we recently published as a journal article in EURASIP Journal on Audio, Speech, and Music Processing.

Architecture 233

Architecture Energy Benchmarking Processing 233

Dynatrace

NOVEMBER 8, 2021

Organizations use APM to ensure system availability, optimize service performance and response times, and improve user experiences. Your APM tool should help you establish performance benchmarks, so you can understand what good performance looks like. APM solutions: A primer. Application performance insights.

Artificial Intelligence 246

Artificial Intelligence Monitoring Infrastructure Cloud 246

Percona

NOVEMBER 3, 2023

Rather than listing the concepts, function calls, etc, available in Citus, which frankly is a bit boring, I’m going to explore scaling out a database system starting with a single host. And now, execute the benchmark: -- execute the following on the coordinator node pgbench -c 20 -j 3 -T 60 -P 3 pgbench The results are not pretty.

Database 114

Database Benchmarking Latency C++ 114

Scalegrid

JULY 13, 2020

Oracle Database is a commercial, proprietary multi-model database management system produced by Oracle Corporation, and the largest relational database management system (RDBMS) in the world. Compare ease of use across compatibility, extensions, tuning, operating systems, languages and support providers. Compare Ease of Use.

Open Source 244

Open Source Tuning C++ Database 244

High Scalability

SEPTEMBER 28, 2018

Never inflict a distributed system on yourself unless you have too." JavaScript benchmark. It's the fastest device I've ever tested. seconds with the system. Hey, it's HighScalability time: @danielbryantuk : "A LAMP stack is a good thing. mipsytipsy #CloudNativeLondon. Do you like this sort of Stuff?

Internet 35

Internet Internet Scalability Blockchain 35

The Morning Paper

NOVEMBER 3, 2019

The authors selected a set of diverse application workloads, as shown in the table below, and analysed their execution to find out the system call frequency and total execution time. A micro-benchmark suite, LEBench was then built around tee system calls responsible for most of the time spent in the kernel. Headline results.

Performance 108

Performance Benchmarking Tuning Hardware 108

HammerDB

OCTOBER 23, 2023

HammerDB uses stored procedures to achieve maximum throughput when benchmarking your database. 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. On MySQL, we saw a 1.5X

Benchmarking 63

Benchmarking Database Network C++ 63

Brendan Gregg

JUNE 30, 2018

These have inspired me to summarize another performance activity: evaluating benchmark accuracy. Accurate benchmarking rewards engineering investment that actually improves performance, but, unfortunately, inaccurate benchmarking is more common. If the benchmark reported 20k ops/sec, you should ask: why not 40k ops/sec?

Benchmarking 47

Benchmarking Latency Cache Network 47

John McCalpin

APRIL 25, 2023

For most high-end processors these values have remained in the range of 75% to 85% of the peak DRAM bandwidth of the system over the past 15-20 years — an amazing accomplishment given the increase in core count (with its associated cache coherence issues), number of DRAM channels, and ever-increasing pipelining of the DRAMs themselves.

Benchmarking 97

Benchmarking Cache Latency Tuning 97

Percona

APRIL 6, 2023

PostgreSQL is a popular open source relational database management system many organizations use to store and manage their data. Two benchmarks from users can be found here: [1] [2] 4. One of the key benefits of using PostgreSQL is its reliability, scalability, and performance. Pgpool-II This is where the pgpool-II comes in.

Cache 138

Cache Open Source Benchmarking Database 138

Testsigma

MAY 19, 2020

Software testing is the process of finding bugs or discrepancies in a software. As a beginner in software testing, you would make your own mistakes and learn from them to shape your career path. Following are a few common mistakes often made by software testing beginners when they start their journey in the world of testing.

Software 85

Software Software Testing Open Source 85

Dynatrace

JUNE 2, 2022

SREs improve the reliability of production systems, and reducing mean-time-to-repair (MTTR) is their top priority. They understand what it takes to build systems that can scale from 10 users to 1,000, or from 1 million to 10 million users. MTTR reduction remains top of the list for SREs. But there’s still a long way to go.

DevOps 147

DevOps Innovation Engineering Benchmarking 147

Particular Software

SEPTEMBER 20, 2021

Why RPC is “faster” It’s tempting to simply write a micro-benchmark test where we issue 1000 requests to a server over HTTP and then repeat the same test with asynchronous messages. If you did such a benchmark, here’s an incomplete picture you might end up with: Graph of microbenchmark showing RPC is faster than messaging.

Benchmarking 97

Benchmarking Latency Servers Systems 97

Percona

APRIL 7, 2023

To illustrate this, I ran the Sysbench-TPCC synthetic benchmark against two different GCP instances running a freshly installed Percona Server for MySQL version 8.0.31 This explains, in part , how PostgreSQL performed better out of the box for this test workload. The throughput didn’t double but increased by 57%.

Tuning 145

Tuning Cache Servers Benchmarking 145

The Morning Paper

SEPTEMBER 27, 2020

The wikipedia page on floating point numbers describes a number of related accuracy problems including the difficulty of testing for equality. In day-to-day usage, beyond judicious use of ‘within’ for equality testing, I suspect most of us ignore the potential difficulties of floating point arithmetic even if we shouldn’t.

Benchmarking 101

Benchmarking Hardware Programming Code 101