Tech News Gather

NOVEMBER 5, 2023

Basics of Bitcoin and the Blockchain Technology Historical Evolution and the Rise of Bitcoin: Bitcoin, introduced in 2008 by the pseudonymous Satoshi Nakamoto, revolutionized the world of finance. Energy Consumption of Bitcoin Mining: Mining is the process of validating transactions and adding them to the blockchain.

Government 52

Government Blockchain Energy Innovation 52

The Morning Paper

NOVEMBER 5, 2019

Breaking that assumption allowed Ceph to introduce a new storage backend called BlueStore with much better performance and predictability, and the ability to support the changing storage hardware landscape. Readers of this blog properly have a pretty good idea what ‘efficient transactions’ and ‘fast metadata operations’ are all about.

Storage 64

Storage Systems Hardware Efficiency 64

Brendan Gregg

FEBRUARY 28, 2023

That's about 24 hours from now! ## 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 (..)

Performance 110

Performance Latency Cache Virtualization 110

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. The Sort only has 19 rows to process, so it consumes only 1ms or so.

Servers 86

Servers Tuning Database Efficiency 86

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

Tim Kadlec

JULY 31, 2013

When he first gave the presentation in 2008, he was working at this massive company called Yahoo! Instead, to support a browser, we want to give the browser what it can handle, in the most efficient way possible. That was 2008. As with anything, the more you learn the quicker the process will go. Here at Yahoo!,

Google 40

Google Website Hardware Games 40

Brendan Gregg

SEPTEMBER 5, 2017

There's also a ZFS send/recv code path that should try to use the TASK_INTERRUPTIBLE flag (as suggested by a coworker), to avoid a kernel hang (can't kill -9 the process). I wrote a page on it: [perf]. - **eBPF**: tracing features completed in 2016, this provides efficient programmatic tracing to existing kernel frameworks.

Virtualization 76

Virtualization AWS Engineering Hardware 76