SQL Performance

MARCH 17, 2020

This follow-up post revisits the question for SQL Server 2019, using a larger number of rows. It has 32GB RAM, with 24GB available to the SQL Server 2019 instance. The Sort only has 19 rows to process, so it consumes only 1ms or so. Test Environment. This machine has four i7 CPUs (hyperthreaded to 8) with a base speed of 2.4GHz.

Servers 86

Servers Tuning Database Efficiency 86

Adrian Cockcroft

AUGUST 9, 2022

Having worked with something like 70 large and small companies over the past decade, the business processes and best practices have been tested and work well. So right from the beginning, I’m happy to spend some time getting back up to speed and developing some of my ideas around new hardware capabilities.

IoT 52

IoT Best Practices AWS Media 52

ACM Sigarch

NOVEMBER 4, 2019

Krste Asanovic from UC Berkeley kicked off the main program sharing his experience on “ Rejuvenating Computer Architecture Research with Open-Source Hardware ”. He ended the keynote with a call to action for open hardware and tools to start the next wave of computing innovation. This year’s MICRO had three inspiring keynote talks.

Hardware 18

Hardware Architecture Programming Innovation 18

High Scalability

FEBRUARY 22, 2019

Ross Mcilroy : we now believe that speculative vulnerabilities on today's hardware defeat all language-enforced confidentiality with no known comprehensive software mitigations, as we have discovered that untrusted code can construct a universal read gadget to read all memory in the same address space through side-channels.

Internet 39

Internet Internet Scalability Lambda 39

The Morning Paper

OCTOBER 4, 2020

The study is based on one of the world’s first commercial 5G network deployments (launched in April 2019), a 0.5 The bulk of this latency comes from on-device frame processing, not network transmission delay. km university campus. Some of these problems (e.g.

Energy 130

Energy Latency Performance Network 130

Brendan Gregg

FEBRUARY 28, 2023

Make sure your system can handle next-generation DRAM,” [link] , Nov 2011 [Hruska 12] Joel Hruska, “The future of CPU scaling: Exploring options on the cutting edge,” [link] , Feb 2012 [Gregg 13] Brendan Gregg, “Blazing Performance with Flame Graphs,” [link] , 2013 [Shimpi 13] Anand Lal Shimpi, “Seagate to Ship 5TB HDD in 2014 using Shingled Magnetic (..)

Performance 52

Performance Latency Cache Virtualization 52

Smashing Magazine

JANUARY 15, 2019

2019-01-15T13:30:32+01:00. 2019-04-29T18:34:58+00:00. how much data does the browser have to download to display your website) and resource usage of the hardware serving and receiving the website. How Improving Website Performance Can Help Save The Planet. How Improving Website Performance Can Help Save The Planet. Jack Lenox.

Website Performance 73

Website Performance Website Energy Performance 73

Dynatrace

APRIL 30, 2021

Auer oversees the initiative to maintain the performance and availability of SAP Commerce Cloud , which underpins more than 3,500 e-commerce sites in more than 200 countries, processing transactions worth $500 billion annually. When the site is slow, if the checkout process is not working, you might choose to buy somewhere else.

Retail 242

Retail Cloud Monitoring Hardware 242

The Netflix TechBlog

DECEMBER 23, 2020

For example, the PID namespace makes it so that a process can only see PIDs in its own namespace, and therefore cannot send kill signals to random processes on the host. There are also more common capabilities that are granted to users like CAP_NET_RAW, which allows a process the ability to open raw sockets. User Namespaces.

Media 286

Media Metrics Systems Processing 286

The Morning Paper

SEPTEMBER 19, 2019

We’ve been covering papers from VLDB 2019 for the last three weeks, and next week it will be time to mix things up again. I really do want to cover this one at some point, along with Implementation of cluster-wide logical clock and causal consistency in MongoDB from SIGMOD 2019. for machine generated emails sent to humans).

Blockchain 46

Blockchain Hardware Google Analytics 46

Alex Russell

FEBRUARY 21, 2023

is astonishingly dense with delayed features, inadvertantly emphasising just how far behind WebKit has remained for many years and how effective the Blink Launch Process has been in allowing Chromium to ship responsibly while consensus was witheld in standards by Apple. Regardless, Safari 16.4 31st : Web Share changes Feb.

Energy 79

Energy Games Engineering Design 79

HammerDB

JUNE 27, 2022

It enables the user to measure database performance and make comparative judgements about database hardware and software. The Transaction Processing Performance Council (TPC) was founded to bring standards to database benchmarking, and the history of the TPC can be found here. Why HammerDB was developed. Adoption by the TPC.

Benchmarking 62

Benchmarking Open Source C++ Cache 62

The Morning Paper

DECEMBER 10, 2019

HotStorage 2019. Both abstractions must be implemented in a way that is efficient using existing hardware. Applications running on BNVM (byte-addressable non-volatile memory) must have a way to create pointers that outlast a process’s virtual address space and are valid in other address spaces. The hardware perspective.

Hardware 52

Hardware Virtualization Operating System Programming 52

Tech News Gather

JULY 19, 2023

Smart home automation is the process of automating your house by using Internet of Things (IoT) devices to manage your lights, appliances, HVAC, entertainment, security cameras, and alarms, and other sensors for things like water or gas leaks. During the registration process, the user must choose a unique username and password.

Wireless 52

Wireless IoT Development Internet 52

Testsigma

FEBRUARY 5, 2021

Speaking of Android OS, in 2019, there were around 2.5 Once you have chosen your target devices, consider the architectural aspect of your hardware. These servers should be able to collect the requests by Dev and QA teams, process and execute these requests, as well as deliver the results & reports to the respective stakeholders.

Mobile 52

Mobile Testing Hardware DevOps 52

Scalegrid

JUNE 11, 2019

Ready to transition from a commercial database to open source, and want to know which databases are most popular in 2019? 2019 Top Databases Used. So, which databases are most popular in 2019? just three months ago in our 2019 Database Trends – SQL vs. NoSQL, Top Databases, Single vs. Multiple Database Use report.

Open Source 55

Open Source Database Cloud Infrastructure 55

SQL Performance

JULY 16, 2019

A close monitoring of the hardware enthusiast community, including many of the most respected hardware analysts and reviewers paints an even more dire picture about Intel in the server processor space. This made it easier for database professionals to make the case for a hardware upgrade, and made the typical upgrade more worthwhile.

Servers 46

Servers Hardware Architecture Retail 46

Brendan Gregg

SEPTEMBER 25, 2021

What about short-lived processes, like a service restarting in a loop? As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. In 2019 myself and others tested kvm-clock and found it was only about 20% slower than tsc. These can be invisible to top(8).

Speed 126

Speed Java AWS Virtualization 126

Percona

JULY 7, 2023

Also, in general terms, a high availability PostgreSQL solution must cover four key areas: Infrastructure: This is the physical or virtual hardware database systems rely on to run. Can you afford the necessary hardware, software, and operational costs of maintaining a PostgreSQL HA solution? there cannot be high availability.

Availability 83

Availability Open Source Architecture Database 83

SQL Server According to Bob

DECEMBER 18, 2018

The data storage always uses the multi-step flush process. Linux may need similar utilities to control various hardware cache installations. You should always validate the Fua capabilities with your device and hardware vendor. For example, SQL Server 2019 supports DTC/XA transactions. Fua = Forced Unit Access.

Servers 90

Servers Media Cache Storage 90

Alex Russell

MARCH 6, 2021

Advances in browser content processing. India has been the epicentre of smartphone growth in recent years, owing to the sheer size of its market and an accelerating shift away from feature phones which made up the majority of Indian mobile devices until as late as 2019. Hardware Past As Performance Prologue. " package.

Performance 124

Performance Network Cache Metrics 124

Smashing Magazine

FEBRUARY 5, 2019

2019-02-05T13:00:00+01:00. 2019-04-29T18:34:58+00:00. Although modern iOS hardware is powerful enough to handle many intensive and complex tasks, the device could still feel unresponsive if you are not careful about how your app performs. UI Preservation Process. UI Restoration Process. Large preview ).

Performance 75

Performance Energy Operating System Code 75

SQL Performance

MARCH 8, 2021

They are run on SQL Server 2019 CU9 , on a laptop with 8 cores, and 16GB of memory allocated to the SQL Server 2019 instance. This uses hardware, typically a crystal oscillator, that produces ticks at a very high constant rate regardless of processor speed, power settings, or anything of that nature. Batch Mode Serial Execution.

Servers 95

Servers Tuning Architecture Processing 95

HammerDB

OCTOBER 18, 2019

rc3-custom #1 SMP Mon Aug 12 14:07:33 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Welcome to Ubuntu 19.04 (GNU/Linux 5.3.0-rc3-custom hardware limits: 1000 MHz - 4.00 hardware limits: 1000 MHz - 4.00 current CPU frequency: Unable to call hardware current CPU frequency: 1.00 hardware limits: 1000 MHz - 4.00

Benchmarking 63

Benchmarking Performance Hardware C++ 63

Dynatrace

NOVEMBER 20, 2019

Having released this functionality in an Early Adopter Release with OneAgent version 1.173 and Dynatrace version 1.174 back in August 2019, we’re now happy to announce the General Availability of OneAgent full-stack monitoring for Linux on the IBM Z platform, sometimes informally referred to as Z/Linux.

Availability 31

Availability Hardware Java Tuning 31

The Morning Paper

SEPTEMBER 26, 2019

USENIX Security Symposium 2019. The main reason why such an attack works is that the receivers “lock” and process only the strongest received signal. Wireless attacks on aircraft instrument landing systems Sathaye et al., It’s been a while since we last looked at security attacks against connected real-world entities (e.g.,

Wireless 91

Wireless Systems Airlines Hardware 91

Dynatrace

AUGUST 8, 2019

The IBM Z platform is a range of mainframe hardware solutions that are quite frequently used in large computing shops. Typically, these shops run the z/OS operating system, but more recently, it’s not uncommon to see the Z hardware running special versions of Linux distributions. Disk measurements with per-disk resolution.

Availability 25

Availability Hardware Java Tuning 25

Brendan Gregg

SEPTEMBER 25, 2021

What about short-lived processes, like a service restarting in a loop? As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. In 2019 myself and others tested kvm-clock and found it was only about 20% slower than tsc. But I'm not completely sure.

Speed 52

Speed Java AWS Virtualization 52

The Morning Paper

JULY 4, 2019

degraded hardware, transient networking problem) or, more often, because of some change deployed by Netflix engineers that did not have the intended effect. Automating chaos experiments in production Basiri et al., Are you ready to take your system assurance programme to the next level? On error rates.

Latency 77

Latency Engineering Metrics Traffic 77

HammerDB

OCTOBER 12, 2018

As is also the case this limitation is at the database level (especially the storage engine) rather than the hardware level. driver: intel_pstate CPUs which run at the same hardware frequency: 0 . hardware limits: 1000 MHz - 3.80 hardware limits: 1000 MHz - 3.80 current CPU frequency: Unable to call hardware .

Best Practices 40

Best Practices Scalability Performance C++ 40

ACM Sigarch

NOVEMBER 1, 2019

This blog post gives a glimpse of the computer systems research papers presented at the USENIX Annual Technical Conference (ATC) 2019, with an emphasis on systems that use new hardware architectures. USENIX ATC is a top-tier venue with a broad range of systems research papers from both industry and academia. Heterogeneous ISA.

Architecture 12

Architecture Hardware Cache Storage 12

Brendan Gregg

SEPTEMBER 25, 2021

What about short-lived processes, like a service restarting in a loop? As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. In 2019 myself and others tested kvm-clock and found it was only about 20% slower than tsc. These can be invisible to top(8).

Speed 40

Speed Java AWS Virtualization 40

KeyCDN

JULY 11, 2019

Well, according to HTTP Archive , as of June 1, 2019 the average desktop page is 1,896.8 This is crucial due to mobile devices requiring additional optimizations because they typically have less powerful hardware and a slower network connection when compared to desktop devices. KB and the average mobile page is 1,683.5

Speed 52

Speed Website Mobile Latency 52

Scalegrid

JULY 13, 2020

Recognized as the fastest growing database by popularity, PostgreSQL was named the DBMS of the year in both 2018 and 2017 by DB-Engines, and continues to grow in popularity in 2019. Oracle support for hardware and software packages is typically available at 22% of their licensing fees. In fact, PostgreSQL is so popular, 11.5%

Open Source 244

Open Source Tuning C++ Database 244

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. 2019-01-07T12:00:13+00:00. 2019-04-29T18:34:58+00:00. Also, as Patrick Meenan suggested, it’s worth to plan out a loading sequence and trade-offs during the design process.

Performance 103

Performance Cache Metrics Network 103

Smashing Magazine

JANUARY 21, 2021

Back in 2017 we built the entire site with Preact, but then have moved to React in 2019 — and use it along with a few APIs for search, comments, authentication and checkout. Back in 2017, the entire layout was built with Flexbox and rebuilt with CSS Grid and CSS Custom Properties in mid-2019.

Performance 145

Performance Cache Mobile Network 145

Smashing Magazine

JANUARY 6, 2020

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Also, as Patrick Meenan suggested, it’s worth to plan out a loading sequence and trade-offs during the design process.

Performance 145

Performance Cache Network Metrics 145