Dynatrace

FEBRUARY 25, 2021

On the other hand, features needed for monitoring large applications, like memory dumps, code-level-visibility, or event loop metrics on Node.js The result is overall performance metrics that provide valuable insights into how a function is performing regardless of the instance that handles the request. Why metrics alone aren’t enough.

Lambda 278

Lambda AWS Monitoring Serverless 278

Dynatrace

OCTOBER 2, 2023

End-to-end observability starts with tracking logs, metrics, and traces of all the components, providing a better understanding of service relationships and application dependencies. Use SLAs, SLOs, and SLIs as performance benchmarks for newly migrated microservices.

Architecture 278

Architecture Artificial Intelligence Cloud Open Source 278

O'Reilly

MARCH 25, 2025

Evaluation : How do we evaluate such systems, especially when outputs are qualitative, subjective, or hard to benchmark? Business value : Once we have a rubric for evaluating our systems, how do we tie our macro-level business value metrics to our micro-level LLM evaluations? How do we do so? We tested both retrieval quality (e.g.,

Systems 69

Systems Development Tuning Monitoring 69

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 145

Tuning Cache Servers Benchmarking 145

John McCalpin

APRIL 25, 2023

The primary metric for memory bandwidth in multicore processors is that maximum sustained performance when using many cores. This metric is interesting because we don’t always have the luxury of parallelizing every application we run, and our operating systems almost always process each call (e.g., Stay tuned!

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

The Netflix TechBlog

OCTOBER 19, 2020

Our engineering teams tuned their services for performance after factoring in increased resource utilization due to tracing. In 2019 our stunning colleagues in the Cloud Database Engineering (CDE) team benchmarked EBS performance for our use case and migrated existing clusters to use EBS Elastic volumes.

Infrastructure 237

Infrastructure Transportation Storage Open Source 237

Percona

JANUARY 2, 2024

We decided to run a few benchmarks to understand how the thread pool affects long-running transactions. This server is not intended to be a perfectly tuned one but just a baseline to compare the behavior under different concurrency configurations. sec) mysql> update sbtest5 set k=k+1; Query OK, 10000000 rows affected (32.00

Benchmarking 114

Benchmarking Servers Tuning C++ 114

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 .

Benchmarking 63

Benchmarking Performance Hardware C++ 63

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? A finely tuned database processes queries more efficiently, leading to swifter results.

Tuning 52

Tuning Database Performance Hardware 52

Percona

OCTOBER 12, 2023

Manual flame graphs collection Although the tool is excellent and automatically provides flame graphs, we don’t have much control over tuning the selected profiler. A simple sysbench benchmark on MySQL shows an overhead between six and 10 percent on CPU-bound systems when running perf with the default sampling frequency of 4000 Hz.

Code 124

Code Tuning C++ Benchmarking 124

HammerDB

OCTOBER 18, 2018

you can now do that with Oracle Metrics. . To get started with Oracle metrics use the previous option for CPU metrics that now shows the service name and system user and password. To get started with Oracle metrics use the previous option for CPU metrics that now shows the service name and system user and password.

Benchmarking 40

Benchmarking Monitoring Performance C++ 40

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

APRIL 19, 2023

GHz 4th Generation Intel Xeon Scalable processors (code-named Sapphire Rapids) Up to 20% higher compute performance than z1d instances Up to 50 Gbps of networking speed Up to 40 Gbps of bandwidth to the Amazon Elastic Block Store (EBS) We can also verify these capabilities by running some simple benchmarks on the different subsystems.

Performance 55

Performance Benchmarking Cache Storage 55

Percona

DECEMBER 20, 2018

With the Percona Database Performance Blog, Percona staff and leadership work hard to provide the open source community with insights, technical support, predictions and metrics around multiple open source database software technologies. Linux OS Tuning for MySQL Database Performance. Tuning InnoDB Primary Keys.

Database 50

Database Tuning Performance AWS 50

Brendan Gregg

FEBRUARY 9, 2018

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. I then analyzed performance during the benchmark ([active benchmarking]), and used other benchmarks to confirm findings. Much of my testing was on Linux 4.14.11

Performance 72

Performance Benchmarking Cache Tuning 72

Scalegrid

MARCH 22, 2024

Consistently evaluating and tuning resource allocations based on use patterns helps prevent overprovisioning and reduces unnecessary expenses. Establishing clear service-level agreements is key as they outline specific responsibilities and performance benchmarks expected from cloud service providers during disaster recovery scenarios.

Strategy 130

Strategy Cloud Government Innovation 130

HammerDB

NOVEMBER 5, 2018

This post at an entry-level discusses the options you have to improve log throughput in your benchmark environment. . As HammerDB supports graphical metrics for Oracle, this provides the best illustration however the concepts apply in general terms to all databases. A good example of how tuning is an iterative process.

Benchmarking 40

Benchmarking Database C++ Virtualization 40

John McCalpin

APRIL 25, 2023

The primary metric for memory bandwidth in multicore processors is that maximum sustained performance when using many cores. This metric is interesting because we don’t always have the luxury of parallelizing every application we run, and our operating systems almost always process each call (e.g., Stay tuned!

Benchmarking 40

Benchmarking Cache Latency Tuning 40

KeyCDN

AUGUST 15, 2019

Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. Quantitative performance testing looks at metrics like response time while qualitative testing is concerned with scalability, stability, and interoperability.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

Rigor

JANUARY 13, 2020

How to pioneer new metrics and create a culture of performance. In her book, Lara Hogan helps you approach projects with page speed in mind, showing you how to test and benchmark which design choices are most critical. Web Performance Tuning. Time is Money. High Performance Websites. Want your web site to display more quickly?

Performance 75

Performance Social Media Website Website Performance 75

Speed Curve

DECEMBER 25, 2013

Source: Guy Podjarny However, we do now have a full set of techniques to effectively deliver highly performative sites that not only visually scale across devices but also deliver code and assets tuned to the width of a device. There are great tools available to monitor the actual in browser speed and benchmark your site against others.

Performance 60

Performance Mobile Website Benchmarking 60

Brendan Gregg

FEBRUARY 8, 2018

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. I then analyzed performance during the benchmark ([active benchmarking]), and used other benchmarks to confirm findings. Much of my testing was on Linux 4.14.11

Performance 40

Performance Benchmarking Cache Tuning 40

SQL Server According to Bob

JANUARY 11, 2020

For specific information on I/O tuning and balancing, you will find more details in the following document. Microsoft strongly recommends maintaining the default recovery interval to ensure optimal recovery metrics and to function cleanly within the current cluster resource constraints.

Servers 40

Servers Cache Media Hardware 40

HammerDB

DECEMBER 10, 2024

In this post, we revisit how to interpret transactional database performance metrics and give guidance on what levels of performance should be expected on up-to-date hardware and software in 2024. tpmC tpmC is the transactions per minute metric that is the measurement of the official TPC-C benchmark from the TPC-Council.

C++ 58

C++ Benchmarking Hardware Performance 58

High Scalability

NOVEMBER 25, 2019

Eventually, we resorted to caching the events in memory for a short duration and also tuning the GC settings on those nodes as we are doing a lot of young generation collections. We also generate quite a bit of internal application metrics using a home grown framework. How do you handle security? Miscellaneous. Who do you admire?

Architecture 52

Architecture Cache Azure Storage 52

Rigor

SEPTEMBER 11, 2019

Developers representing hundreds of companies work together at these meetups to become masters in performance metrics and the latest trends in measuring site speed.) And, of course, you should follow him on Twitter @ igrigorik for in-depth insights on web performance metrics, user experience, and industry news. Maximiliano Firtman.

Performance 89

Performance Education Google Website 89