Brendan Gregg

MARCH 16, 2024

To explain this example in more detail: The profiler periodically interrupts software execution, and for those disconnected stacks it happens to be the execution of the kernel software ("vfs*", "ext*", etc.). These partial stacks get grouped together on the left. Click here for a longer explanation.

Java 145

Java Cache Google Hardware 145

All Things Distributed

OCTOBER 2, 2017

Today marks the 10 year anniversary of Amazon's Dynamo whitepaper , a milestone that made me reflect on how much innovation has occurred in the area of databases over the last decade and a good reminder on why taking a customer obsessed approach to solving hard problems can have lasting impact beyond your original expectations.

Internet 128

Internet Internet AWS Performance 128

All Things Distributed

JANUARY 18, 2012

A number of outages at the height of the 2004 holiday shopping season can be traced back to scaling commercial technologies beyond their boundaries. Dynamo might have been the best technology in the world at the time but it was still software you had to run yourself. To achieve all of these goals, we needed to do groundbreaking work.

Scalability 167

Scalability Database Ecommerce Latency 167

SQL Server According to Bob

JANUARY 11, 2020

​​ With new ​​ innovations ​​ come ​​ new terms, designs, ​​ and ​​ algorithms. ​​ The following table outlines the virtual protection states. Page State Virtual Protection State Dirty Read Write ​​ during the modification.

Servers 40

Servers Cache Database Media 40