Remove Benchmarking Remove Performance Testing Remove Tuning Remove Virtualization
article thumbnail

What Adrian Did Next?—?Part 2?—?Sun Microsystems

Adrian Cockcroft

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. I was mostly coding in C, tuning FORTRAN, and when I needed to do a lot of data analysis of benchmark results used the S-PLUS statistics language, that is the predecessor to R.

Tuning 52
article thumbnail

Percona Database Performance Blog 2018 Year in Review: Top Blog Posts

Percona

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. A Look at MyRocks Performance. AMD EPYC Performance Testing… or Don’t get on the wrong side of SystemD.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

KPTI/KAISER Meltdown Initial Performance Regressions

Brendan Gregg

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 Some older kernels have the KAISER patches for Meltdown, and so far the performance overheads look similar. and 4.14.12 Linux 4.14.12-virtual

article thumbnail

Have You Tested Your App Performance & Capacity Recently?

Apica

The Apica LoadTest solution uses innovative technologies like monitoring nodes and load clusters to reliably deliver and sustain a large-scale load of virtual users (VUs) to Hollywood for different, realistic user scenarios all at the same time. Load and stress-testing benchmark goals for the backend technological components.

Testing 40
article thumbnail

KPTI/KAISER Meltdown Initial Performance Regressions

Brendan Gregg

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 Some older kernels have the KAISER patches for Meltdown, and so far the performance overheads look similar. and 4.14.12 Linux 4.14.12-virtual

article thumbnail

HammerDB MySQL and MariaDB Best Practice for Performance and Scalability

HammerDB

InnoDB is the storage engine that will deliver the best OLTP throughput and should be chosen for this test. . For anyone benchmarking MySQL with HammerDB it is important to understand the differences from sysbench workloads as HammerDB is targeted at a testing a different usage model from sysbench. innodb_file_per_table.

article thumbnail

SQL Server I/O Basics Chapter #1

SQL Server According to Bob

For specific information on I/O tuning and balancing, you will find more details in the following document. NT Server and Disk Subsystem Performance [link] Torn I/O Torn I/O is often referred to as a ​​ torn page ​​ in SQL Server documentation. Buffer Pool The buffer pool is also referred to as the BPool.

Servers 40