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 107

Database Benchmarking Latency C++ 107

HammerDB

APRIL 19, 2023

Therefore, before we attempt to measure our database performance, we should know the system or cloud instance to be tested in detail. Benchmarking the target Two of the more popular database benchmarks for MySQL are HammerDB and sysbench. For the experiments in this blog, we did not tune the system. 4.22 %usr 38.40

Performance 54

Performance Benchmarking Cache Storage 54

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. For testing purposes, let’s increase this to 256MB and see if there is any impact on cost.

Tuning 57

Tuning Database Performance Benchmarking 57

Scalegrid

OCTOBER 24, 2019

AWS is the #1 cloud provider for open-source database hosting, and the go-to cloud for MySQL deployments. MySQL on AWS Performance Test. MySQL Performance Benchmark Configuration. MySQL Performance Test Scenarios and Results. Amazon RDS. Instance Type. AWS High Performance XLarge (see system details below).

AWS 183

AWS Latency Performance Benchmarking 183

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

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

The Netflix TechBlog

OCTOBER 19, 2020

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. Our tactical approach was to use Netflix-specific libraries for collecting traces from Java-based streaming services until open source tracer libraries matured.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

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. The same tests have been executed in Percona Server for MySQL 5.7

Cache 104

Cache Hardware Servers Benchmarking 104

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 23, 2023

Benchmark before you decide. The optimal value can be decided after testing multiple settings, starting from eight is a good choice. If you see concurrency issues, you can tune this variable. Application tuning for InnoDB Make sure your application is prepared to handle deadlocks that may happen. I hope this helps!

Performance 127

Performance Hardware Tuning Storage 127

KeyCDN

AUGUST 15, 2019

Web performance is a broad subject, and you’ll find no shortage of performance testing tips and tutorials all over the web. 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. What is Performance Testing?

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

Percona

JANUARY 19, 2023

Example: Creating four simple tables to store strings but using different data types: db1 test> CREATE TABLE tb1 (id int auto_increment primary key, test_text char(200)); Query OK, 0 rows affected (0.11 sec) db1 test> CREATE TABLE tb2 (id int auto_increment primary key, test_text varchar(200)); Query OK, 0 rows affected (0.05

Open Source 90

Open Source Storage Database Big Data 90

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 40

Database Tuning Performance AWS 40

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. All the databases that HammerDB tests implement a form of MVCC (multi-version concurrency control). This post explains why HammerDB made the language decisions it made to make it the best performing and most usable database benchmarking software.

Programming 67

Programming Benchmarking Virtualization C++ 67

Smashing Magazine

JUNE 3, 2022

How would we test to see if there is any difference between a good sans serif and a serif typeface with users? This diversity adds to the difficulty and complexity of defining and testing typefaces. For a proper test setup you would need to modify one parameter while keeping every other parameter unchanged.

Performance 110

Performance Design Best Practices Testing 110

Rigor

SEPTEMBER 11, 2019

Sergey is an open source developer, tireless educator on performance topics, and author of many web performance-related tools, including ShowSlow , SVN Assets , drop-in.htaccess and more. He tweets about Chrome initiatives, open source tools, and performance news @ paul_irish. Paul Irish. Paul Irish. Scott Jehl.

Performance 89

Performance Education Google Website 89

O'Reilly

JULY 25, 2023

Swift Papers felt like a well-scoped project to test how well AI handles a realistic yet manageable real-world programming task. I guessed that maybe ChatGPT only knew about v2 since it was trained on open-source code from before September 2021 (its knowledge cutoff date) and v2 was the dominant format before that date.

Programming 98

Programming Code Design Benchmarking 98