Percona

APRIL 14, 2023

During the recession of 2008, they experienced firsthand how fast money and assets can vanish. Below, we outline some proactive steps for achieving cost efficiency and maintaining performant database environments amid a turbulent economy: 1. Here we are, with an economic downturn looming globally and some countries facing a recession.

Database 83

Database Serverless Tuning Cloud 83

Brendan Gregg

FEBRUARY 28, 2023

## References I've reproduced the references from my SREcon22 keynote below, so you can click on links: - [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] Jul 2008 - [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] 2010 - [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 110

Performance Latency Cache Virtualization 110

Brendan Gregg

FEBRUARY 28, 2023

References I've reproduced the references from my SREcon22 keynote below, so you can click on links: [Gregg 08] Brendan Gregg, “ZFS L2ARC,” [link] , Jul 2008 [Gregg 10] Brendan Gregg, “Visualizations for Performance Analysis (and More),” [link] , 2010 [Greenberg 11] Marc Greenberg, “DDR4: Double the speed, double the latency?

Performance 52

Performance Latency Cache Virtualization 52

SQL Performance

MARCH 17, 2020

It comes set to SQL Server 2008 compatibility (level 100), but we will start with a more modern setting of SQL Server 2017 (level 140): ALTER DATABASE StackOverflow2013 SET COMPATIBILITY_LEVEL = 140 ; The tests were performed on my laptop using SQL Server 2019 CU 2. This will provide distinct values with great efficiency.

Servers 86

Servers Tuning Database Efficiency 86

Alex Russell

AUGUST 30, 2021

From 2008 to 2013, the Chrome project was based on WebKit, and a growing team of Chrome engineers began to contribute heavily "upstream." This brings us to the final link in the chain of structural security mitigations: the speed of delivering updates to end-users.

Engineering 98

Engineering Open Source Website Operating System 98

Brendan Gregg

SEPTEMBER 5, 2017

Nowadays, there are three built-in tracers that you should know about: - **ftrace**: since 2008, this serves many tracing needs, and has been enhanced recently with hist triggers for custom histograms. Appliance manufacturers hire kernel engineers to develop custom features, including storage appliances. It's the official profiler.

Virtualization 76

Virtualization AWS Engineering Hardware 76