Adrian Cockcroft

JUNE 21, 2022

So in 1988 I joined the Sun sales force and became a Systems Engineer (nowadays we would say Solutions Architect). Another big jump, but now it was my job to run benchmarks in the lab, and write white papers that explained the new products to the world, as they were launched.

Tuning 52

Tuning Benchmarking Engineering C++ 52

Dynatrace

MARCH 25, 2022

Like most IT professionals, Harikrishnan and the Parker team’s cybersecurity engineer Tom Hood have multiple requirements to manage, from implementing digital transformation and ensuring operational efficiency to securing IT systems. “We were able to … fine-tune our systems in a very performant way,” notes Hood.

Benchmarking 171

Benchmarking Efficiency DevOps Tuning 171

High Scalability

AUGUST 24, 2021

DevOps Engineer : At Kinsta , we set out to create the best managed hosting platform in the world. If you are an experienced DevOps Engineer who is constantly looking for ways to innovate and improve, we might just be the place for you! Who's Hiring? They also do live system design discussions every week. Try out their platform.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

OCTOBER 27, 2021

Wynter is looking for system administrators, engineers, and developers to join its research panel. DevOps Engineer : At Kinsta , we set out to create the best managed hosting platform in the world. DevOps Engineer : At Kinsta , we set out to create the best managed hosting platform in the world. Who's Hiring? Apply here.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

SEPTEMBER 29, 2021

Wynter is looking for system administrators, engineers, and developers to join its research panel. DevOps Engineer : At Kinsta , we set out to create the best managed hosting platform in the world. DevOps Engineer : At Kinsta , we set out to create the best managed hosting platform in the world. Who's Hiring? Apply here.

Education 100

Education DevOps Infrastructure Benchmarking 100

High Scalability

SEPTEMBER 15, 2021

Wynter is looking for system administrators, engineers, and developers to join its research panel. DevOps Engineer : At Kinsta , we set out to create the best managed hosting platform in the world. DevOps Engineer : At Kinsta , we set out to create the best managed hosting platform in the world. Who's Hiring? Apply here.

Education 100

Education DevOps Infrastructure Benchmarking 100

The Morning Paper

NOVEMBER 3, 2019

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. This task is carried out by a team of over 100 engineers, and for each new kernel, the effort can also take 6-18 months.”. Headline results.

Performance 108

Performance Benchmarking Tuning Hardware 108

The Netflix TechBlog

OCTOBER 19, 2020

a Netflix member via Twitter This is an example of a question our on-call engineers need to answer to help resolve a member issue?—?which We needed to increase engineering productivity via distributed request tracing. That is the first question our engineering teams asked us when integrating the tracer library.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

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

The Morning Paper

NOVEMBER 28, 2019

Some of these examples have been hand-tuned to make them efficient for TLC to check, no such tuning is done for APALACHE. 4 seconds on this same benchmark). We hope that with the growing number of users, specifications will get tuned to our model checker, as is now happening with TLC. But when TLC starts to struggle (e.g.,

Tuning 106

Tuning Benchmarking Efficiency Systems 106

Percona

DECEMBER 20, 2018

Linux OS Tuning for MySQL Database Performance. In this post we will review the most important Linux settings to adjust for performance tuning and optimization of a MySQL database server. We’ll note how some of the Linux parameter settings used OS tuning may vary according to different system types: physical, virtual or cloud.

Database 40

Database Tuning Performance AWS 40

Percona

JANUARY 19, 2023

There are a couple of blog posts from Yves that describe and benchmark MySQL compression: Compression Options in MySQL (Part 1) Compression Options in MySQL (Part 2) Archive or purge old or non-used data: Some companies have to retain data for multiple years either for compliance or for business requirements. It supports native sharding.

Open Source 85

Open Source Storage Database Big Data 85

Rigor

JANUARY 13, 2020

When it comes to web content, you can easily find what you need through many different paths, from search engines and social media to playlists and blogs, jumping from one source to another with just a tap of a finger. Web Performance Tuning. Designing for Performance. High Performance Responsive Design. Some things have never changed.

Performance 75

Performance Social Media Website Website Performance 75

Rigor

SEPTEMBER 11, 2019

Reading time 16 min Whether you’re a web performance expert, an evangelist for the culture of performance, a web engineer incorporating performance into your process, or someone new to the web performance entirely, you probably identify as curious, excited about new ideas, and always learning. Rick Byers. Rick Byers. Sergey Chernyshev.

Performance 89

Performance Education Google Website 89

Smashing Magazine

JANUARY 7, 2022

Worse yet, once the work is batched they insert user research that should have been done to inform the original work effort to what the real benchmark (MVP) should be. Some roles to consider: UX designer, UX Researcher, Product Managers, Product Owners, Support Representatives, Architects, and Engineers. Large preview ).

Design 92

Design Logistics Strategy Benchmarking 92

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. These have inspired me to summarize another performance activity: evaluating benchmark accuracy. If the benchmark reported 20k ops/sec, you should ask: why not 40k ops/sec?

Benchmarking 54

Benchmarking Latency Cache Network 54

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? To be fair, that is also true with PostgreSQL; it hasn’t been tuned either, and it, too, can also perform much better.

Tuning 133

Tuning Cache Servers Benchmarking 133

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. These have inspired me to summarize another performance activity: evaluating benchmark accuracy. If the benchmark reported 20k ops/sec, you should ask: why not 40k ops/sec?

Benchmarking 40

Benchmarking Latency Cache Network 40

Percona

MARCH 23, 2023

Benchmark before you decide. innodb_thread_concurrency (Dynamic) – With improvements to the InnoDB engine, it is recommended to allow the engine to control the concurrency by keeping it to the default value (which is zero). If you see concurrency issues, you can tune this variable. I hope this helps!

Performance 123

Performance Hardware Tuning Storage 123

The Netflix TechBlog

MARCH 14, 2023

User provides a sample image to find other similar images Prior engineering work Approach #1: on-demand batch processing Our first approach to surface these innovations was a tool to trigger these algorithms on-demand and on a per-show basis. Dawn Chenette , Design Lead This approach had several benefits for product engineering.

Media 291

Media Innovation Energy Architecture 291

HammerDB

JANUARY 5, 2019

Some opinions claim that “Benchmarks are meaningless”, “benchmarks are irrelevant” or “benchmarks are nothing like your real applications” However for others “Benchmarks matter,” as they “account for the processing architecture and speed, memory, storage subsystems and the database engine.”

Benchmarking 40

Benchmarking Database Social Media Scalability 40

HammerDB

NOVEMBER 5, 2018

This post at an entry-level discusses the options you have to improve log throughput in your benchmark environment. . A good example of how tuning is an iterative process. For MySQL the dependency is at the storage engine level and in this case for the InnoDB storage engine the parameter is self-explanatory. PostgreSQL.

Benchmarking 40

Benchmarking Database C++ Virtualization 40

Brendan Gregg

SEPTEMBER 25, 2021

I love short benchmarks like this as I can disassemble the resulting binary and ensure that the compiled instructions match my expectations, and the compiler hasen't messed with it. ## 6. I happened to be speaking at a technical confering while still debugging this, and mentioned what I was working on to a processor engineer.

Speed 126

Speed Java AWS Virtualization 126

Brendan Gregg

FEBRUARY 9, 2018

Many thanks to the engineers working hard to develop workarounds to these processor bugs. In this post I'll look at the Linux kernel page table isolation (KPTI) patches that workaround Meltdown: what overheads to expect, and ways to tune them. Much of my testing was on Linux 4.14.11 and 4.14.12 In more detail: ## 1.

Performance 75

Performance Benchmarking Cache Tuning 75

Brendan Gregg

FEBRUARY 8, 2018

Many thanks to the engineers working hard to develop workarounds to these processor bugs. In this post I'll look at the Linux kernel page table isolation (KPTI) patches that workaround Meltdown: what overheads to expect, and ways to tune them. Much of my testing was on Linux 4.14.11 and 4.14.12 In more detail: ## 1.

Performance 40

Performance Benchmarking Cache Tuning 40

Percona

AUGUST 5, 2023

Otherwise, the storage engine does a scatter-gather and queries ALL partitions in a UNION that is not concurrent. As the data is distributed into smaller partitions, the database engine only needs to scan relevant partitions, leading to faster query responses. Streamlined Maintenance : Partitioning simplifies maintenance operations.

Strategy 40

Strategy Storage Database Best Practices 40

IO River

NOVEMBER 15, 2023

Two of them are particularly gnarly: fine-tuning rules to perfection and managing a WAF over a multi-CDN architecture. Some are benevolent, like search engine crawlers, while others have more nefarious intentions, like scraping content or executing automated attacks. Let's dive deep into these challenges.‍1.

Traffic 52

Traffic Network Logistics Architecture 52

Brendan Gregg

SEPTEMBER 25, 2021

I love short benchmarks like this as I can disassemble the resulting binary and ensure that the compiled instructions match my expectations, and the compiler hasen't messed with it. ## 7. I happened to be speaking at a technical confering while still debugging this, and mentioned what I was working on to a processor engineer.

Speed 40

Speed Java AWS Virtualization 40

Smashing Magazine

JANUARY 5, 2022

With entrance into the industry being so easy and lack of proper benchmarking (Note: this is somewhat contradictory to point 2, but more on that later) around what makes a good designer, software engineer, or product manager, we’re forced to face the facts that it’s a recipe for poor quality products. Stay tuned!

Design 126

Design Social Media Website Best Practices 126

IO River

NOVEMBER 2, 2023

Two of them are particularly gnarly: fine-tuning rules to perfection and managing a WAF over a multi-CDN architecture. Some are benevolent, like search engine crawlers, while others have more nefarious intentions, like scraping content or executing automated attacks. Let's dive deep into these challenges.‍1.

Traffic 40

Traffic Network Logistics Architecture 40

HammerDB

OCTOBER 12, 2018

As is also the case this limitation is at the database level (especially the storage engine) rather than the hardware level. InnoDB is the storage engine that will deliver the best OLTP throughput and should be chosen for this test. . This is to be expected and is due to the limitations of the scalability of the storage engine.

Best Practices 40

Best Practices Scalability Performance C++ 40

John McCalpin

JANUARY 22, 2018

Hardware performance counter results for a simple benchmark code calling Intel’s optimized DGEMM implementation for this processor (from the Intel MKL library) show that about 20% of the dynamic instruction count consists of instructions that are not packed SIMD operations (i.e.,

Latency 40

Latency Hardware Code Testing 40

Scalegrid

JULY 13, 2020

Compare ease of use across compatibility, extensions, tuning, operating systems, languages and support providers. Recognized as the fastest growing database by popularity, PostgreSQL was named the DBMS of the year in both 2018 and 2017 by DB-Engines, and continues to grow in popularity in 2019.

Open Source 244

Open Source Tuning C++ Database 244

John McCalpin

APRIL 25, 2023

I have a lot of historical data using my ReadOnly benchmark (as described in some of the earliest entries in this blog [link] A read-only access pattern removes the need to understand and explain the many complexities associated with the “streaming stores” typically used in the STREAM benchmark (e.g., Stay tuned!

Benchmarking 97

Benchmarking Cache Latency Tuning 97

SQL Server According to Bob

JANUARY 11, 2020

During this process, the Jet engine calculates the page's checksum value to be written, records it in the page header, and then requests that the ​​ file system ​​ writes the 4-KB page of data to the database on disk. log in Mdbdata or Dsadata). The transaction is then committed to the Jet database.

Servers 40

Servers Cache Database Media 40

High Scalability

NOVEMBER 25, 2019

This is a guest post by Kalpesh Patel , an Engineer, who for Egnyte from home. Keep it simple: New engineers join every month so the goal is to have them productive from week one - a simple architecture ensures easy induction. A fairly distributed engineering team at the start but now gravitating mostly in Mountain View, Poland, India.

Architecture 52

Architecture Cache Azure Storage 52