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. Xen AWS 2017 In 2015, AWS launched c4, which used hardware virtualization for EBS volumes.

Virtualization 40

Virtualization AWS Hardware Storage 40

Brendan Gregg

JULY 15, 2019

BPF (eBPF) tracing is a superpower that can analyze everything, and I'll show you how in my upcoming book BPF Performance Tools: Linux System and Application Observability , coming soon from Addison Wesley. A time where you can pose arbitrary questions of the system, and it can answer them.

Systems 111

Systems Performance Education Technology 111

Dynatrace

MARCH 2, 2023

Google Cloud Distinguished Engineer Kelsey Hightower hopes to solve the many problems facing IT culture by equipping people with the mental and computational software they need to succeed in the competitive world of technology. In the IT world, there are constantly new concepts, terms, and technologies to learn. This is an impossible task.”

Best Practices 221

Best Practices Internet Internet Cloud 221

Dynatrace

JUNE 15, 2023

Incorporating cloud application security practices is an effective way for organizations to avoid application security risks, ensure a smoothly running software development lifecycle (SDLC), and establish an overall strong security posture. However, open source software is often a vector for security vulnerabilities.

Cloud 182

Cloud Open Source Architecture Monitoring 182

Scalegrid

JULY 13, 2020

Oracle Database is a commercial, proprietary multi-model database management system produced by Oracle Corporation, and the largest relational database management system (RDBMS) in the world. Compare ease of use across compatibility, extensions, tuning, operating systems, languages and support providers. Not available.

Open Source 244

Open Source Tuning C++ Database 244

O'Reilly

FEBRUARY 18, 2020

Software architecture, infrastructure, and operations are each changing rapidly. The shift to cloud native design is transforming both software architecture and infrastructure and operations. Up until 2017, the ML+AI topic had been amongst the fastest growing topics on the platform. Coincidence?

Software Architecture 132

Software Architecture DevOps Data Engineering Architecture 132

Brendan Gregg

SEPTEMBER 5, 2017

What follows are topics that may be of interest to anyone looking to migrate their systems and skillset: scan these to find topics that interest you. ## ZFS ZFS is available for Linux via the [zfsonlinux] and [OpenZFS] projects, and more recently was included in Canonical's Ubuntu Linux distribution: Ubuntu Xenial 16.04 LTS (April 2016).

Virtualization 76

Virtualization AWS Engineering Hardware 76

Tasktop

AUGUST 23, 2021

The results of these gains in the past decade are obvious: software is more reliable, more functional, and more adaptable than ever before. Try logging into your typical government-built system and you can immediately tell it was built differently. The UI is awful and the system crashes under heavy use. Most won’t even try.

Software 52

Software Software Development Social Media 52

Tech News Gather

NOVEMBER 22, 2022

The application world began to move forward after Google announced Kotlin as the new programming language for Android Apps at the 2017 I/O conference. Kotlin development supports JavaScript, Android, Linux, Mac, Windows, and many other embedded systems. In October 2017, Android 3.0 It runs on the Java Virtual Machine.

Development 52

Development Java Programming Google 52

Brendan Gregg

FEBRUARY 28, 2023

This talk originated from my updates to Systems Performance 2nd Edition , and this was the first time I've given this talk in person! CXL in a way allows a custom memory controller to be added to a system, to increase memory capacity, bandwidth, and overall performance. Ford, et al., “TCP

Performance 52

Performance Latency Cache Virtualization 52

Percona

AUGUST 17, 2023

PostgreSQL is open source relational database management software. StackOverflow statistics show that 26% of developers preferred it in 2017, 34% in 2019, and 40% in 2021. In another survey, using multiple metrics for overall popularity, PostgreSQL ranks as the fourth most popular database management system ( DB-Engines, March 2023 ).

Open Source 78

Open Source Healthcare Social Media Database 78

Brendan Gregg

JULY 4, 2021

I also wrote about these topics in detail for my recent [Systems Performance 2nd Edition] book. TCP Extensions for Multipath Operation with Multiple Addresses,” [link] Mar 2020 - [Gregg 20] Brendan Gregg, “Systems Performance: Enterprise and the Cloud, Second Edition,” Addison-Wesley, 2020 - [Hruska 20] Joel Hruska, “Intel Demos PCIe 5.0

Performance 52

Performance Latency Hardware Storage 52

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. As a Xen guest, this profile was gathered using perf(1) and the kernel's software cpu-clock soft interrupts, not the hardware NMI. Microbenchmark os::javaTimeMillis() on both systems. Running this on the two systems saw similar results.

Speed 126

Speed Java AWS Virtualization 126

Brendan Gregg

JULY 14, 2019

BPF (eBPF) tracing is a superpower that can analyze everything, and I'll show you how in my upcoming book BPF Performance Tools: Linux System and Application Observability , coming soon from Addison Wesley. A time where you can pose arbitrary questions of the system, and it can answer them.

Systems 40

Systems Performance Education Technology 40

The Netflix TechBlog

OCTOBER 19, 2020

which is difficult when troubleshooting distributed systems. Troubleshooting a session in Edgar When we started building Edgar four years ago, there were very few open-source distributed tracing systems that satisfied our needs. Investigating a video streaming failure consists of inspecting all aspects of a member account.

Infrastructure 233

Infrastructure Transportation Storage Open Source 233

IO River

NOVEMBER 2, 2023

However, consumers often prioritize availability in many systems. Furthermore, there are many recognized standards to measure the availability of a service or system, and the most common one is to measure it as a percentage."Five minutes of downtime per year, which means the system is almost always operational.

Availability 52

Availability Social Media Traffic Games 52

IO River

NOVEMBER 2, 2023

However, consumers often prioritize availability in many systems. Furthermore, there are many recognized standards to measure the availability of a service or system, and the most common one is to measure it as a percentage."Five minutes of downtime per year, which means the system is almost always operational.

Availability 52

Availability Social Media Traffic Games 52

Percona

MARCH 30, 2023

In fact, the opposite is true, thanks to an active and vibrant global community of developers who work continuously to improve open source software. With open source database software, anyone in the general public can access the source code, read it, and modify it.

Open Source 74

Open Source Database Storage Scalability 74

ACM Sigarch

APRIL 26, 2018

They unveiled their first two embedded AI chips fabricated with TSMC 40nm process in December 2017: “Journey 1.0 They introduced the architecture of coarse grain reconfigurable array (CGRA) for statically scheduled data flow computing in HOTCHIPS’17 and its software stack of compiler and linker in ICCAD’17. The new GV100 packs 7.4

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

SQL Server According to Bob

DECEMBER 18, 2018

Durability: “In database systems , durability is the ACID property which guarantees transactions that have committed will survive permanently. For example, if a flight booking reports that a seat has successfully been booked, then the seat will remain booked even if the system crashes.” – [link]. Starting with the Linux 4.18

Servers 90

Servers Media Cache Storage 90

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 81

Open Source Programming Database Servers 81

The Netflix TechBlog

SEPTEMBER 13, 2021

Written by Jose Fernandez , Arthur Gonigberg , Julia Knecht , and Patrick Thomas In 2017, Netflix Studios was hitting an inflection point from a period of merely rapid growth to the sort of explosive growth that throws “how do we scale?” The first was that there were too many security things that each software team needed to think about?—?things

Internet 220

Internet Internet Cloud Traffic 220

Percona

JUNE 4, 2023

This blog post was originally published in November 2017 and was updated in June 2023. Before we dive into the differences between MariaDB and MySQL, we will provide a thorough examination of each relational database management system (RDBMS). What is MariaDB? What is MySQL?

Open Source 52

Open Source Servers Storage Scalability 52

Tasktop

APRIL 2, 2020

A period of frenzied growth is turning into a mass extinction event for those companies that do not learn how to connect business operations to software delivery. Those who master digital business models and software at scale will thrive. from Project to Product (based on Perez 2017 ) . Unfortunately, many more will not.

Government 109

Government Innovation Strategy Technology 109

SQL Server According to Bob

FEBRUARY 11, 2019

SQL Server 2017 leverages up to 4 log writer workers, on hidden schedulers, to assist in transaction log processing activities. You may find the number of log write workers has been increased to 8 when running newer releases of SQL Server to accommodate larger systems. Caution: Pre-release software may change before final release.).

Servers 40

Servers Availability Software Software 40

Percona

JULY 7, 2023

Unfortunately, using certain open source database software as part of an HA architecture can present significant challenges. Despite all its upside, PostgreSQL software presents such challenges. PostgreSQL software supports synchronous streaming replication, asynchronous streaming replication, and logical replication.

Availability 83

Availability Open Source Architecture Database 83

All Things Distributed

NOVEMBER 13, 2018

Since then, AWS has added another PoP in Palermo in 2017. This includes: Enterprises such as Decysion, Docebo, Eataly, Edizioni Conde Nast, ENEL, Ferrero, GEDI Gruppo Editoriale, Imperia & Monferrina, Lamborghini, Mediaset, Navionics, Pirelli, Pixartprinting, SEAT Pagine Gialle, Tagetik Software, and Vodafone Italy.

AWS 167

AWS Energy Automotive Traffic 167

SQL Server According to Bob

MAY 19, 2019

The reduction effort started when we shipped SQL Server 2017 ( [link].) Partitioning allows SQL Server to scale to the largest systems with record-setting performance. When promoted to a super-latch on a 64 CPU system the memory requirement becomes 32 + (32 *64) = 2080 bytes. SQL Server 2017. IO Request Caches.

IoT 61

IoT Servers Development Cache 61

SQL Performance

JANUARY 23, 2020

The queues component of our methodology comes from Performance Monitor counters, which provide a view of system performance from a resource standpoint.". However, some seem to have missed Davidson's point regarding the importance of resources and rely almost entirely on waits to present a picture of query performance and system health.

Tuning 115

Tuning Servers Monitoring Hardware 115

Adrian Cockcroft

JANUARY 29, 2023

There is no way to model how much more traffic you can send to that system before it exceeds it’s SLA. This is unfortunate, because we’d really like to be able to build systems that have an SLA that we can share with the consumers of our interfaces, and be able to measure how well we are doing.

Lambda 98

Lambda Latency Cache C++ 98

SQL Server According to Bob

APRIL 24, 2018

I also started my career developing on UNIX systems with C++ and databases like Ingres. As I moved to other jobs, the PC was becoming very popular as was the Windows Operating System. Last October we released SQL Server 2017 including support for Linux and Docker Containers. docker pull microsoft/mssql-server-linux:2017-latest.

Servers 40

Servers Internet Internet Open Source 40

All Things Distributed

JUNE 30, 2017

Once connected, the systems that power call centers generally don't do a good job of using and sharing available information. AWS Lambda functions made the corresponding calls to the database and scheduling software, making sure that the interaction happened quickly and at extremely low cost.

Artificial Intelligence 128

Artificial Intelligence Lambda AWS Virtualization 128

The Morning Paper

JANUARY 19, 2020

STELLA: report from the SNAFU-catchers workshop on coping with complexity , Woods 2017, Coping with Complexity workshop. “Coping with complexity” is about as good a three-word summary of the systems and software challenges facing us over the next decade as I can imagine. A digression on complexity budgets.

C++ 50

C++ Systems Software Software 50

All Things Distributed

OCTOBER 25, 2018

That's where we built many pioneering networking technologies, our next-generation software for customer support, and the technology behind our compute service, Amazon EC2. In 2017, we brought the Amazon Global Network to Africa, through AWS Direct Connect. With the AWS based system, Exatype can do this at a fraction of the cost.

AWS 167

AWS Cloud Education Programming 167

Particular Software

MAY 30, 2017

During Build 2017, Microsoft released.NET Core 2.0 is currently expected to be released in Q3 2017 , and we expect to release NServiceBus 7 shortly after that has happened. For those of you who do not have plans to move your systems to.NET Core, we are not abandoning you. Update : NServiceBus 7 for.NET Core has been released.

Transportation 49

Transportation Systems Performance 49

Tasktop

JANUARY 27, 2021

At the recent Forrester Technology & Innovation Global Summit , René Te-Strote—Senior Project Lead of the BMW IT Group—spoke with our CEO and founder, Dr. Mik Kersten, about BMW’s ongoing transformation in the Age of Software. Improving flow requires an understanding of what flows across the software delivery value stream.

Code 52

Code Automotive Government Network 52

All Things Distributed

OCTOBER 2, 2017

With these requirements in mind, and a willingness to question the status quo, a small group of distributed systems experts came together and designed a horizontally scalable distributed database that would scale out for both reads and writes to meet the long-term needs of our business. This was the genesis of the Amazon Dynamo database.

Internet 128

Internet Internet AWS Performance 128