DZone

MARCH 13, 2024

As software engineers, we are always striving for high performance and efficiency in our code. Whether it’s optimizing algorithms or fine-tuning data structures, every decision we make can have a significant impact on the overall performance of our applications.

Benchmarking 147

Benchmarking Tuning Performance Open Source 147

Brendan Gregg

MARCH 8, 2020

Systems performance is an effective discipline for performance analysis and tuning, and can help you find performance wins for your applications and the kernel. However, most of us are not performance or kernel engineers, and have limited time to study this topic.

Systems 138

Systems Performance Benchmarking Tuning 138

Dynatrace

MAY 5, 2021

At Perform 2021 , Dynatrace’s Kristof Renders, Services Practice Manager for Autonomous Cloud Enablement, joined Sumit Nagal, Principal Engineer at Intuit, to demonstrate how service-level objectives (SLOs) and business-level objectives (BLOs) can “shift left.” Nearly 42% do not perform manual or automated checks.

Benchmarking 246

Benchmarking Latency Speed Software 246

Percona

AUGUST 31, 2018

Out of the box, the default PostgreSQL configuration is not tuned for any particular workload. It is primarily the responsibility of the database administrator or developer to tune PostgreSQL according to their system’s workload. It is important to pay attention to performance when writing database queries. shared_buffer.

Tuning 79

Tuning Database Performance Benchmarking 79

Scalegrid

OCTOBER 24, 2019

As organizations continue to migrate to the cloud, it’s important to get in front of performance issues, such as high latency, low throughput, and replication lag with higher distances between your users and cloud infrastructure. MySQL on AWS Performance Test. AWS High Performance XLarge (see system details below). Amazon RDS.

AWS 183

AWS Latency Performance Performance Testing 183

Percona

MARCH 23, 2023

This blog is in reference to our previous ones for ‘Innodb Performance Optimizations Basics’ 2007 and 2013. Although there have been many blogs about adjusting MySQL variables for better performance since then, I think this topic deserves a blog update since the last update was a decade ago, and MySQL 5.7

Performance 144

Performance Hardware Tuning Storage 144

Dynatrace

MAY 30, 2020

To deliver outstanding customer experience for your applications and websites, you need reliable benchmarks that measure what good customer experience looks like. Dynatrace Visually complete is a point-in-time web performance metric that measures when the visual area of a page has finished loading. Dynatrace news.

Metrics 182

Metrics Performance Benchmarking Monitoring 182

Dynatrace

FEBRUARY 10, 2022

A key requirement for agent technology is avoiding a negative impact on performance. Existing RASP solutions often introduce a significant overhead negatively impacting application performance and customer experience. RASP solutions may lack the precision required to confidently apply automatic blocking of attacks.

Traffic 246

Traffic Benchmarking Innovation Java 246

The Morning Paper

NOVEMBER 3, 2019

An analysis of performance evolution of Linux’s core operations Ren et al., Perhaps the most interesting lesson/reminder is this: it takes a lot of effort to tune a Linux kernel. Google’s data center kernel is carefully performance tuned for their workloads. 14, and after that performance starts to degrade noticeably.

Performance 108

Performance Benchmarking Tuning Hardware 108

Dynatrace

MARCH 25, 2022

In a breakout session at Dynatrace Perform 2022, they explained how. Part of incident management is troubleshooting operational bottlenecks that affect overall system performance. “We were able to … fine-tune our systems in a very performant way,” notes Hood. Incident management to avoid outages.

Benchmarking 243

Benchmarking Efficiency DevOps Tuning 243

Dynatrace

JULY 16, 2019

Synthetic clickpath monitors are a great way to automatically monitor and benchmark business-critical workflows 24/7. Dynatrace helps to ensure these workflows are available globally and performing well so that you can be confident that you’re meeting your SLAs. Checking out of a retail site. Contact forms. Pricing calculators.

Monitoring 206

Monitoring Retail Benchmarking Tuning 206

Dynatrace

OCTOBER 2, 2023

However, it’s common that teams need to refactor an application to help with performance after the lift-and-shift operation. Components that are already loosely coupled and have few dependencies will be easier to migrate, with less chance of impacting application performance.

Architecture 278

Architecture Artificial Intelligence Cloud Open Source 278

The Netflix TechBlog

MARCH 14, 2023

In addition, we were able to perform a handful of A/B tests to validate or negate our hypotheses for tuning the search experience. Users have flexibility to perform multimodal search with input being a simple text term, image or short video. We will continue to share our work in this space, so stay tuned.

Media 296

Media Innovation Energy Architecture 296

Percona

APRIL 7, 2023

If we were to select the most important MySQL setting, if we were given a freshly installed MySQL or Percona Server for MySQL and could only tune a single MySQL variable, which one would it be? Are these results good enough? I’ll risk “adding insult to injury” and do the unthinkable of comparing apples to oranges.

Tuning 145

Tuning Cache Servers Benchmarking 145

Scalegrid

JULY 13, 2020

Compare ease of use across compatibility, extensions, tuning, operating systems, languages and support providers. There are a wide range of tools and extensions for every conceivable scenario, like performance profiling, auditing, etc. Compare PostgreSQL vs. Oracle functionality across available tools, capabilities and services.

Open Source 244

Open Source Tuning C++ Database 244

Dynatrace

FEBRUARY 25, 2021

We’re talking about a few hundred milliseconds, but this can have a considerable performance impact when cold starts occur too often. The result is overall performance metrics that provide valuable insights into how a function is performing regardless of the instance that handles the request. Stay tuned?for

Lambda 278

Lambda AWS Monitoring Serverless 278

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 . 3834 2696 .

Benchmarking 63

Benchmarking Performance Hardware C++ 63

Percona

MAY 1, 2023

Out of the box, the default PostgreSQL configuration is not tuned for any particular workload. It is primarily the responsibility of the database administrator or developer to tune PostgreSQL according to their system’s workload. What is PostgreSQL performance tuning?

Tuning 52

Tuning Database Efficiency Performance 52

O'Reilly

MARCH 25, 2025

Evaluation : How do we evaluate such systems, especially when outputs are qualitative, subjective, or hard to benchmark? How error analysis and iteration refine both LLM performance and system desig n. RAG performs horribly with this most of the time. Iteration : We know we need to experiment with and iterate on these system.

Systems 69

Systems Development Tuning Monitoring 69

Percona

SEPTEMBER 1, 2023

While there is no magic bullet for MySQL performance tuning, there are a few areas that can be focused on upfront that can dramatically improve the performance of your MySQL installation. What are the Benefits of MySQL Performance Tuning? Experiencing database performance issues?

Tuning 52

Tuning Database Performance Hardware 52

The Netflix TechBlog

OCTOBER 19, 2020

A lenient trace data sampling policy generates a large number of traces in each service container and can lead to degraded performance of streaming services as more CPU, memory, and network resources are consumed by the tracer library. The next challenge was to stream large amounts of traces via a scalable data processing platform.

Infrastructure 237

Infrastructure Transportation Storage Open Source 237

John McCalpin

APRIL 25, 2023

The primary metric for memory bandwidth in multicore processors is that maximum sustained performance when using many cores. This post is about a secondary performance characteristic — sustained memory bandwidth for a single thread running on a single core. Stay tuned! Details in the next blog entry.)

Benchmarking 97

Benchmarking Cache Latency Tuning 97

Percona

NOVEMBER 3, 2023

Leveraging pgbench , which is a benchmarking utility that comes bundled with PostgreSQL, I will put the cluster through its paces by executing a series of DML operations. 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

Brendan Gregg

JUNE 30, 2018

A co-worker introduced me to Craig Hanson and Pat Crain's performance mantras, which neatly summarize much of what we do in performance analysis and tuning. They are: **Performance mantras**. These have inspired me to summarize another performance activity: evaluating benchmark accuracy. Don't do it.

Benchmarking 47

Benchmarking Latency Cache Network 47

The Morning Paper

MARCH 10, 2020

Characterizing, modeling, and benchmarking RocksDB key-value workloads at Facebook , Cao et al., Or in the case of key-value stores, what you benchmark. So if you want to design a system that will offer good real-world performance, it’s really useful to have benchmarks that accurately represent real-world workloads.

Benchmarking 59

Benchmarking Storage Cache Open Source 59

Scalegrid

JANUARY 25, 2024

Redis® is an in-memory database that provides blazingly fast performance. This makes it a compelling alternative to disk-based databases when performance is a concern. You might already use ScaleGrid hosting for Redis hosting to power your performance-sensitive applications.

Metrics 130

Metrics Monitoring Latency Cache 130

Percona

JANUARY 2, 2024

TL&DR : Depending on the workload, the thread pool plugin can cause serious performance drops. In each situation, I’ve seen huge drops in the performance where the QPS were going to almost zero. After removing the thread pool plugin from the clusters, the performance was more steady, even when running these queries.

Benchmarking 114

Benchmarking Servers Tuning C++ 114

Brendan Gregg

FEBRUARY 9, 2018

The recently revealed [Meltdown and Spectre] bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen. Some older kernels have the KAISER patches for Meltdown, and so far the performance overheads look similar.

Performance 72

Performance Benchmarking Cache Tuning 72

HammerDB

APRIL 19, 2023

Predicting application performance is a difficult art, but an important one when choosing the target deployment environment. In this blog, we aim to call out some key considerations when trying to assess MySQL performance for your application. We will not concern ourselves with the raw throughput of workload.

Performance 55

Performance Benchmarking Cache Storage 55

Rigor

JANUARY 13, 2020

Reading time 1 min Why share the library of the web performance books while there’s a substantial collection of fantastic websites and articles on the net? High Performance Browser Networking. This book is about performance problems and the various technologies created to fight them. High Performance Websites.

Performance 75

Performance Social Media Website Website Performance 75

Smashing Magazine

JUNE 3, 2022

Measuring The Performance Of Typefaces For Users (Part 1). Measuring The Performance Of Typefaces For Users (Part 1). How well does a typeface work and perform against another similar typeface? Reasons To Measure The Performance Of Typefaces? Measuring Typefaces And The Resulting Performance Data. Thomas Bohm.

Performance 123

Performance Design Best Practices Testing 123

HammerDB

OCTOBER 18, 2018

An essential part of database performance testing is viewing the statistics generated by the database during the test and in 2009 HammerDB introduced automatic AWR snapshot generation for Oracle for the TPC-C test. With this feature Oracle generates a wealth of performance data that can be reviewed once the test is complete.

Benchmarking 40

Benchmarking Monitoring Performance C++ 40

Percona

MARCH 27, 2023

A lot of useful information can be retrieved from this schema, for example, table metadata and foreign key relations, but trying to query I_S can induce performance degradation if your server is under heavy load, as shown in the following example test. performance degradation. That is (46320 – 38472) * 100 / 46320 = 16.9%

Cache 124

Cache Hardware Servers Benchmarking 124

Brendan Gregg

JUNE 29, 2018

A co-worker introduced me to Craig Hanson and Pat Crain's performance mantras, which neatly summarize much of what we do in performance analysis and tuning. They are: **Performance mantras**. These have inspired me to summarize another performance activity: evaluating benchmark accuracy. Don't do it.

Benchmarking 40

Benchmarking Latency Cache Network 40

Brendan Gregg

MARCH 7, 2020

Systems performance is an effective discipline for performance analysis and tuning, and can help you find performance wins for your applications and the kernel. However, most of us are not performance or kernel engineers, and have limited time to study this topic.

Systems 52

Systems Performance Benchmarking Tuning 52

Brendan Gregg

MARCH 7, 2020

Systems performance is an effective discipline for performance analysis and tuning, and can help you find performance wins for your applications and the kernel. However, most of us are not performance or kernel engineers, and have limited time to study this topic.

Systems 52

Systems Performance Benchmarking Tuning 52

n0derunner

JULY 23, 2019

In this video I migrate a Postgres DB running PGbench benchmark. The variation in the transaction rate is due to the benchmark itself, the transaction rate is not expected to be uniform. The Postgres DB is totally un-tuned and contains purely default settings. The DB is running on a Host which is CPU constrained.

Benchmarking 76

Benchmarking Storage Tuning Cache 76