Brendan Gregg

JULY 4, 2021

I summarized these topics and more as a plenary conference talk, including my own predictions (as a senior performance engineer) for the future of computing performance, with a focus on back-end servers. This was a chance to talk about other things I've been working on, such as the present and future of hardware performance.

Performance 140

Performance Latency Hardware Storage 140

SQL Server According to Bob

DECEMBER 26, 2017

Bob Ward and I worked with our SQL Server Tool developers (thanks David) to enable ‘Q uick XE Trace ’ capabilities. The feature is available in the latest SQL Server Management Studio (SSMS) release. Here is an example using the SQL Server SSMS 2017 against my SQL 2016 server.

Servers 40

Servers Software Engineering Engineering Availability 40

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. Despite all of this, Intel is not going to lose their entire server processor business any time soon. So, what has changed my mind?

Servers 46

Servers Hardware Architecture Retail 46

Dynatrace

OCTOBER 28, 2021

Chaos engineering is a method of testing distributed software that deliberately introduces failure and faulty scenarios to verify its resilience in the face of random disruptions. Practitioners subject software to a controlled, simulated crisis to test for unstable behavior. Chaos engineers ask why. The history of chaos engineering.

Engineering 228

Engineering Entertainment Cloud Infrastructure 228

Percona

AUGUST 18, 2023

Why do you need multiple instances on the same server? You can have a host with two or three instances configured as a delayed replica of the source server with SQL Delay of, let’s say, 24hr, 12hr, and 6/3hrs. You can run multiple instances on a server to test your backups with the correct version and configs.

Programming 82

Programming Servers Database Hardware 82

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory.

Performance 110

Performance Latency Cache Virtualization 110

Percona

APRIL 12, 2023

Let’s start with this: MongoDB is accurately referred to as source-available software. Many open source proponents, including the Open Source Initiative (OSI) , do not consider software under the SSPL to be open source. We agree with the OSI’s determination that any software under the SSPL cannot be open source.

Open Source 79

Open Source Programming Database Servers 79

SQL Server According to Bob

DECEMBER 18, 2018

SQL Server relies on Forced-Unit-Access (Fua) I/O subsystem capabilities to provide data durability, detailed in the following documents: SQL Server 2000 I/O Basic and SQL Server I/O Basics, Chapter 2. Be sure to deploy SQL Server 2017 CU6 or newer for best data durability and performance results. “. The Back Story.

Servers 90

Servers Media Cache Storage 90

SQL Server According to Bob

NOVEMBER 8, 2016

SQL Server 2016 Service Pack 1 (all SKUs) , in combination with Windows Server 2016 (All SKUs) or Windows 10 Client introduces non-volatile memory support for the tail of the log file (LDF) which can significantly increase transaction throughput. As the following diagram shows the SQL Server Log Cache is in memory.

Cache 40

Cache Servers Media Storage 40

Brendan Gregg

JULY 4, 2021

I summarized these topics and more as a plenary conference talk, including my own predictions (as a senior performance engineer) for the future of computing performance, with a focus on back-end servers.

Performance 52

Performance Latency Hardware Storage 52

Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory.

Performance 52

Performance Latency Cache Virtualization 52

Percona

SEPTEMBER 19, 2023

This issue most often occurs when there is significant MySQL server activity during the backup operation, and the redo log file storage media operates faster than the backup storage media. Enabling redo log archiving on the server requires setting a value for the innodb_redo_log_archive_dirs system variable. Type 'help' or '?'

C++ 101

C++ Servers Storage Speed 101

SQL Server According to Bob

JANUARY 5, 2017

Last March I moved from 22 years in SQL Server support to the SQL Server development team, working on SQL Server on Linux project and reporting to Slava Oks. As Slava highlights in his recent blog post , he also contacted me in early 2015 to assist with supportability of SQL Server on Linux. There are no burning secrets.

Servers 40

Servers Operating System C++ Software Engineering 40

Percona

JUNE 4, 2023

In this blog, we’ll provide a comparison between MariaDB vs. MySQL (including Percona Server for MySQL ). Introduction: MariaDB vs. MySQL The goal of this blog post is to evaluate, at a higher level, MariaDB vs. MySQL vs. Percona Server for MySQL side-by-side to better inform the decision making process.

Open Source 52

Open Source Servers Storage Scalability 52

SQL Server According to Bob

JUNE 27, 2016

To some of you SQL Server On Linux is old news from various announcements made a couple of months ago. Yes, SQL Server runs on Linux! It was Jan 2015, in my previous supportability role, that I started looking at SQL Server on Linux. I proceeded to install an Ubuntu VM and the internal build of SQL Server on Linux.

Servers 40

Servers Games Azure Software Engineering 40

Percona

JANUARY 24, 2023

Some of the built-in features ( wal_compression ) have been there since 2016, and almost all backup tools do the WAL compression before taking it to the backup repository. This is not a problem for PostgreSQL alone; every database software needs to deal with this problem.

Database 114

Database Benchmarking Open Source Latency 114

Alex Podelko

OCTOBER 18, 2016

I am looking forward to share my thoughts on ‘Reinventing Performance Testing’ at the imPACt performance and capacity conference by CMG held on November 7-10, 2016 in La Jolla, CA. Several tools recently announced integration with Continuous Integration Servers (such as Jenkins or Hudson). – Cloud. – Agile.

Performance Testing 100

Performance Testing Testing Performance DevOps 100

SQL Server According to Bob

JUNE 9, 2016

SQL Server, as outlined in the following post ( [link] ) adjusts to various processor configurations. I have received questions related to how SQL Server accomplishes the alignment on both bare metal and VM installations. SQL Server uses Windows APIs to determine the processors and package interactions. GetSystemInfo [link].

Servers 40

Servers Virtualization Tuning Architecture 40

SQL Server According to Bob

JANUARY 28, 2018

Note: SQL Server can be a client using a linked server, allowing SQL Server to become an APP and/or an RM ). The application then uses the SQL Server client (SQL Server ODBC for this example) to establish a TDS based connection to the target SQL Server (local or remote.). Local Host Name. The olehlp!

Servers 40

Servers Azure Engineering Java 40

Brendan Gregg

OCTOBER 8, 2018

bpftrace has most of DTrace's capabilities and more. ## bpftrace The prior work that led to [bpftrace] (aka BPFtrace) is discussed my earlier [DTrace for Linux 2016] post, which explains how the Linux kernel gained [eBPF]: the virtual machine that we're using to run tracing programs. bcc is powerful but laborious to program. eBPF does more.

C++ 110

C++ Virtualization Programming Latency 110

Alex Podelko

OCTOBER 20, 2016

I am looking forward to share my thoughts on ‘Reinventing Performance Testing’ at the imPACt performance and capacity conference by CMG held on November 7-10, 2016 in La Jolla, CA. Software as a Service’ (SaaS) basically are centrally managed systems with multiple tenants/instances. – Cloud. – Agile.

Performance Testing 100

Performance Testing Architecture Testing Performance 100

Brendan Gregg

SEPTEMBER 5, 2017

LTS (April 2016). I wrote about it in a previous post, [DTrace for Linux 2016]. I wrote a page on it: [perf]. - **eBPF**: tracing features completed in 2016, this provides efficient programmatic tracing to existing kernel frameworks. They use third-party software like Docker or Kubernetes to simplify their administration.

Virtualization 76

Virtualization AWS Engineering Hardware 76

Scalegrid

AUGUST 15, 2019

In 2014, we discussed 4 of the top MongoDB GUIs: MongoVue, MongoHub, RockMongo, and Robo 3T (formerly Robomongo), and again in 2016: MongoDB Compass, Robo 3T, Studio 3T, and MongoBooster. Should have an excellent way to measure server and query performance. Import data from RDBMS like MySQL, PostgreSQL, and SQL Server.

Database 40

Database Servers Monitoring Availability 40

The Morning Paper

SEPTEMBER 29, 2019

As the primary source of third-party JavaScript packages for the client-side, server-side, and other platforms, npm is the centrerpiece of a large and important software ecosystem. The change in the slope of the transitive dependencies line around 2016 is speculated to be due to the fallout from the left-pad incident.

Code 76

Code Strategy Website Network 76

Rigor

SEPTEMBER 11, 2019

Rick is a software engineer on the Google Chrome team, “leading an effort to make the web just work for developers.” Follow him on Twitter @ RickByers and be sure to watch the video of his conversation at Chrome Dev Summit 2016 , where he discussed the ways Chrome is “improving predictability for developers.”

Performance 89

Performance Education Google Website 89

CSS - Tricks

APRIL 1, 2021

It begins with retrieving the HTML from the server and converting this into the Document Object Model (DOM). KB for desktops and 902 KB for mobile devices from 2016 to 2021. But those are things I did in image editing software. That serves jQuery significantly faster than a standard request from my server, that’s for sure.

Cache 92

Cache Social Media Media Website 92

Brendan Gregg

NOVEMBER 29, 2017

Virtualized in Software**: While this can support an unmodified guest OS, many operations are emulated and slow. It's using software and coordination between the hypervisor and guest to improve performance. This was extended to instance storage devices for the x1.32xlarge in 2016. Apps may run 2x to 10x slower, or worse.

Virtualization 111

Virtualization AWS Hardware Storage 111

Rigor

SEPTEMBER 3, 2019

What you may be overlooking is that peak-event readiness is about more than just load testing or ensuring that your servers are up throughout a specific timeframe. Servers down or server health issues [APM]. This will ensure that you are not running software with a known vulnerability that has already been fixed.

Website 74

Website Cache Ecommerce Traffic 74

Brendan Gregg

OCTOBER 7, 2018

bpftrace has most of DTrace's capabilities and more. ## bpftrace The prior work that led to [bpftrace] (aka BPFtrace) is discussed my earlier [DTrace for Linux 2016] post, which explains how the Linux kernel gained [eBPF]: the virtual machine that we're using to run tracing programs. bcc is powerful but laborious to program. eBPF does more.

C++ 40

C++ Virtualization Programming Latency 40

Enprowess

SEPTEMBER 28, 2021

React developers introduced Inferno in 2016 as an experiment to examine whether or not a library can improve the battery, performance, and UX of mobile apps. Inferno JS would be your best option, if you would like to build client and server-side interfaces with faster speeds, better performance, and isomorphic rendering. .

Open Source 52

Open Source Mobile Entertainment Virtualization 52

High Scalability

AUGUST 9, 2018

One of the documents says in no uncertain terms that the company understands they will not be competitive in the server market until AFTER Sapphire Rapids, the 2022 server part. Uber : Since 2016, Uber has added several new lines of business to its platform, including Uber Eats, Uber Freight, and Jump Bikes.

Internet 21

Internet Internet Scalability Open Source 21

Alex Russell

MARCH 31, 2022

Late in the drafting of this post, it was pointed out to me by Frederik Braun that Brad Hill had considered the downsides of a site-populated SRI addressable cache back in 2016. and SFTP -ing one's dependencies to the server are gone. It turns out this idea has been circulating for a while.

Cache 82

Cache Government Traffic Network 82

Alex Russell

MAY 9, 2022

No other aspect of modern software is as poorly managed in otherwise functional engineering organisations. miAi3020A9G #perfmatters 1 10:04 AM · Jul 7, 2016. When database speed or server capacity is the biggest variable, issues affect managers and executives at the same rate they impact end users.

Performance 86

Performance Latency Metrics Engineering 86

Smashing Magazine

OCTOBER 26, 2018

However, being an easy-to-use inclusive and versatile piece of software, WordPress comes with a plethora of options that are not necessarily utilized in each and every project. on December 6th, 2016. If you decide to use the method described in this article, be sure you know how to fortify your server security. Large preview ).

Cache 78

Cache Website Speed Database 78

Brendan Gregg

NOVEMBER 28, 2017

Virtualized in Software**: While this can support an unmodified guest OS, many operations are emulated and slow. It's using software and coordination between the hypervisor and guest to improve performance. This was extended to instance storage devices for the x1.32xlarge in 2016. Apps may run 2x to 10x slower, or worse.

Virtualization 40

Virtualization AWS Hardware Storage 40

SQL Server According to Bob

AUGUST 23, 2016

The creation of the XTP, common access DLL requires SQL Server to generate C code, invoke the C compiler and save the DLL into the XTP directory. Bob Dorr – Principal Software Engineer SQL Server. These are additional steps that a disk based table does not perform.

C++ 40

C++ Software Engineering Servers Code 40

High Scalability

AUGUST 8, 2018

Niantic launched Pokémon GO in the summer of 2016. Prior to launch, they load-tested their software stack to process up to 5x their most optimistic traffic estimates. The actual launch requests per second (RPS) rate was nearly 50x that estimate—enough to present a scaling challenge for nearly any software stack.

Google 130

Google Games Entertainment Cloud 130