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 141

Java Cache Google Hardware 141

SQL Server According to Bob

JANUARY 11, 2020

Copyright The information ​​ that is contained ​​ in this document represents the current view of Microsoft Corporation on the issues discussed as of the date of publication.

Servers 40

Servers Cache Database Media 40

Smashing Magazine

JULY 9, 2021

The British Standards Institution (2005) defines inclusive design as : “The design of mainstream products and/or services that are accessible to, and usable by, as many people as reasonably possible. without the need for special adaptation or specialized design.”. Recording the training and who and when it was completed.

Website 145

Website Mobile Design Testing 145

Brendan Gregg

NOVEMBER 29, 2017

At Netflix, we've been using these technologies as they've been made available for instance types in the AWS EC2 cloud. Virtualized in Software**: While this can support an unmodified guest OS, many operations are emulated and slow. Each dimension has progressed through these stages: 1. Apps may run 2x to 10x slower, or worse.

Virtualization 110

Virtualization AWS Hardware Storage 110

SQL Performance

JANUARY 23, 2020

Waits and Queues has been used as a SQL Server performance tuning methodology since Tom Davidson published the above article as well as the well-known SQL Server 2005 Waits and Queues whitepaper in 2006. Detailed query-level waits are available on demand via integrated Plan Explorer.

Tuning 115

Tuning Servers Monitoring Hardware 115

IO River

NOVEMBER 2, 2023

For example, Akamai introduced ASI in 2005, which became the standard for building new websites. Specialized featuresSome vendors offer specialized features that are not available in competing CDNs. Software-as-a-Service (SaaS) ProvidersSaaS tools rely on chunks of dynamic content that serve from the origin.

Lambda 52

Lambda AWS Cache Website 52

SQL Server According to Bob

DECEMBER 18, 2018

CSA ISO/IEC 9945-1:2005 (R2009) 3.375 Synchronized I/O Data Integrity Completion. Refer to the ISO documentation on file integrity for complete details: CSA ISO/IEC 9945-1:2005 (R2009) 3.376 Synchronized I/O File Integrity Completion. Filesystem Type 1K-blocks Used Available Use% Mounted on. File Integrity Standard. O_NONBLOCK.

Servers 90

Servers Media Cache Storage 90

Brendan Gregg

NOVEMBER 28, 2017

At Netflix, we've been using these technologies as they've been made available for instance types in the AWS EC2 cloud. Virtualized in Software**: While this can support an unmodified guest OS, many operations are emulated and slow. Each dimension has progressed through these stages: 1. Apps may run 2x to 10x slower, or worse.

Virtualization 40

Virtualization AWS Hardware Storage 40

Highly Scalable

MARCH 10, 2015

This approach can be expressed in more formal way by the following equation: where is the data available for analysis, is the space of a retailer’s actions and decisions, is an econometric model defined as a function of actions and data, and is the optimal strategy. This framework resembles the approach suggested in [JK98].

Retail 152

Retail C++ Analytics Metrics 152

Brendan Gregg

AUGUST 8, 2017

The oldest change in the entire Linux repo dates back to 2005, when Linus imported Linux 2.6.12-rc2, I generated this using my offcputime tool from [bcc] (this tool needs eBPF features from Linux 4.8+), and my [flame graph] software: #./bcc/tools/offcputime.py This, too, was a dead end. rc2, and this change predates that.

Latency 111

Latency Metrics C++ Systems 111