SQL Server According to Bob

JANUARY 11, 2020

KB sectors run on smaller sectors   14 System and sample databases   15 Determining the formatted sector size of database   15 What sector sizes does SQL Server support?

Servers 40

Servers Cache Database Media 40

SQL Performance

MARCH 30, 2021

The fundamentals of row mode parallel execution haven’t changed since SQL Server 2005, so the following discussion is broadly applicable. When that happens, a new thread will need to be started by the operating system, which can take a little while. Compatibility level 150 is used exclusively. MonthlyPosts AS. (

Cache 98

Cache Servers Operating System Processing 98

Sutter's Mill

DECEMBER 29, 2011

From 1975 to 2005, our industry accomplished a phenomenal mission: In 30 years, we put a personal computer on every desk, in every home, and in every pocket. In 2005, however, mainstream computing hit a wall. The free lunch is over. Now welcome to the hardware jungle. iPad 2, Playbook, Kindle Fire, Nook Tablet) and smartphones (e.g.,

Hardware 40

Hardware Games Operating System Software 40

John McCalpin

APRIL 2, 2020

The presentation discusses a family of simple performance models that I developed over the last 20 years — originally in support of processor and system design at SGI (1996-1999), IBM (1999-2005), and AMD (2006-2008), but more recently in support of system procurements at The Texas Advanced Computing Center (TACC) (2009-present).

Benchmarking 59

Benchmarking Performance Latency Architecture 59

Brendan Gregg

AUGUST 8, 2017

Nowadays, the source code to old operating systems can also be found online. For everyone familiar with other operating systems and their CPU load averages, including this state is at first deeply confusing. **Why?** The oldest change in the entire Linux repo dates back to 2005, when Linus imported Linux 2.6.12-rc2,

Latency 111

Latency Metrics C++ Systems 111

SQL Server According to Bob

DECEMBER 18, 2018

The operating system signals completion when the I/O stack finishes the request. Linux provides different system calls (syscall)/commands for asynchronous behavior. CSA ISO/IEC 9945-1:2005 (R2009) 3.375 Synchronized I/O Data Integrity Completion. AIO | io_submit | Kernel I/O (kio). File Integrity Standard. O_NONBLOCK.

Servers 90

Servers Media Cache Storage 90