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

SQL Performance

APRIL 8, 2019

Back on December 5, 2017, Microsoft announced that they were using AMD EPYC 7551 processors in their storage-optimized Lv2-Series virtual machines. The key specifications for the Lsv2 series virtual machines are shown in Table 1. The post AMD EPYC Processors in Azure Virtual Machines appeared first on SQLPerformance.com.

Azure 42

Azure Virtualization Storage Benchmarking 42

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

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). Microbenchmark os::javaTimeMillis() on both systems. Running this on the two systems saw similar results. Try changing the kernel clocksource.

Speed 126

Speed Java AWS Virtualization 126

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. It runs on the Java Virtual Machine. Kotlin development supports JavaScript, Android, Linux, Mac, Windows, and many other embedded systems. In October 2017, Android 3.0

Development 52

Development Java Programming Google 52

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

Tech News Gather

NOVEMBER 15, 2022

Apple’s official move into augmented reality was announced at WWDC in 2017. Putting virtual furniture in a home is an excellent example of how Tango is better than ARKit. Thanks to hand detection, users can be more expressive and have a more personal experience in virtual reality (VR), eliminating the need for bulky devices.

Development 52

Development Virtualization Government Media 52

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

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

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. BPF is in the Linux kernel. ## Why Your Book?

Systems 40

Systems Performance Education Technology 40

SQL Performance

AUGUST 27, 2019

TPC-H Benchmark Results with SQL Server 2017. HPE has already submitted a new official TPC-H result on SQL Server 2017 for a single-socket, HPE Proliant DL325 Gen10 1U server that was 743,750 QphH@1000GB. This system has one AMD EPYC 7502P 32-core processor and 512GB of RAM. The price per QphH for this system is 0.34

Servers 52

Servers Benchmarking Virtualization Architecture 52

ACM Sigarch

APRIL 26, 2018

They unveiled their first two embedded AI chips fabricated with TSMC 40nm process in December 2017: “Journey 1.0 EPU: Emotion Processing Unit is designed by Emoshape , as the MCU microchip design to enable a true emotional response in AI, robots and consumer electronic devices as a result of a virtually unlimited cognitive process.

Hardware 99

Hardware Artificial Intelligence Architecture Google 99

Dynatrace

FEBRUARY 25, 2021

since 2017, and many customers have used it with great success while we collected requirements for the next iteration of our Lambda extension. The virtual CPU is turned off. Lambda functions often serve as a gluing tier or a gateway from on-premises systems to AWS services; they’re almost never standalone.

Lambda 221

Lambda AWS Monitoring Serverless 221

Dynatrace

OCTOBER 17, 2019

We’re currently in a technological era where we have a large variety of computing endpoints at our disposal like containers, Platform as a Service (PaaS), serverless, virtual machines, APIs, etc. We went from managing five EC2 instances in 2011 to around 1,000 in 2017. with more being added continually.

Code 109

Code Infrastructure DevOps Serverless 109

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). Microbenchmark os::javaTimeMillis() on both systems. Running this on the two systems saw similar results. Try changing the kernel clocksource.

Speed 40

Speed Java AWS Virtualization 40

Percona

JULY 7, 2023

HA in PostgreSQL databases delivers virtually continuous availability, fault tolerance, and disaster recovery. 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. there cannot be high availability.

Availability 81

Availability Open Source Architecture Database 81

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. KRY is helping doctors virtually visit patients and accurately diagnose aliments by applying machine learning to symptoms. For instance, Zillow trains and retrains 7.5

Artificial Intelligence 130

Artificial Intelligence Lambda AWS Virtualization 130

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

Percona

AUGUST 15, 2023

This blog was originally published in February 2017 and was updated in August 2023. MySQL replication provides high availability, load balancing, and data redundancy, enhancing system reliability. It’s a rather new plugin build for virtual synchronous replication. and was GA’ed in MySQL 5.7.17.

Servers 52

Servers Database Availability Traffic 52

SQL Performance

JULY 8, 2020

The outer query then filters from those three orders only those that were placed on or after July 8 th , 2017. This query generates the following output: orderid orderdate -- - 10250 2017-07-08 (1 row affected). As long as the grouping column is very dense, the size of the Orders table becomes virtually insignificant.

Servers 110

Servers Code Processing Performance 110

O'Reilly

APRIL 23, 2024

Google not only crawled and indexed virtually every page on the web, it looked at how sites linked to each other, tracked which of the ten top links it showed were clicked on the most, which ones led people to come back and try another and which sent them away satisfied.

Social Media 108

Social Media Google Internet Internet 108

Percona

APRIL 12, 2023

Instead of relational (SQL) databases defined primarily through a hierarchy of related sets via tables and columns, their non-relational structure used a system of collections and documents. 2017: MongoDB goes public, trading as MDB. They came up with a horizontally scalable NoSQL database.

Open Source 79

Open Source Programming Database Servers 79

Tasktop

JANUARY 27, 2021

Expanding on the significant role that virtual product development plays in modern automotive manufacturing, René and Mik discussed how value stream management (VSM) has enabled BMW to successfully expand its presence in the Chinese market. Mik Kersten, about BMW’s ongoing transformation in the Age of Software. Value Stream Networks.

Code 52

Code Automotive Government Network 52

Percona

SEPTEMBER 1, 2023

This blog was originally published in October 2017 and was updated in September 2023. Database architects working with MongoDB encounter specific challenges related to database systems and system growth. Sharding is a preferred approach for database systems facing substantial growth and needing high availability.

Best Practices 70

Best Practices Traffic Database Servers 70

Smashing Magazine

JUNE 3, 2022

These compiled systems for letters and symbols, which are representations of sounds and information, get a lot of use and are a large part of graphic communication. Fast forward to the early 1960s, phototypesetting systems appeared. Instead, we need to address multiple factors within the design system. Large preview ).

Performance 110

Performance Design Best Practices Testing 110

O'Reilly

FEBRUARY 18, 2020

Up until 2017, the ML+AI topic had been amongst the fastest growing topics on the platform. After several years of steady climbing—and after outstripping Java in 2017—Python-related interactions now comprise almost 10% of all usage. there’s a Python library for virtually anything a developer or data scientist might need to do.

Software Architecture 134

Software Architecture DevOps Data Engineering Architecture 134

Brendan Gregg

AUGUST 8, 2017

Linux load averages are "system load averages" that show the running thread (task) demand on the system as an average number of running plus waiting threads. This measures demand, which can be greater than what the system is currently processing. then your system is idle. - cat /proc/loadavg. 42/3411 43603. 42/3411 43603.

Latency 111

Latency Metrics C++ Systems 111

Alex Russell

APRIL 29, 2021

After 20 years of neck-in-neck competition, often starting from common code lineages, there just isn't that much left to wring out of the system. Consistent improvement is the name of the game, and it can still have positive impacts, particularly as users lean on the system more heavily over time. Media Session API.

Media 145

Media Games Education Engineering 145

SQL Server According to Bob

DECEMBER 31, 2018

protected virtual void Dispose(bool bDisposing) { if (true == bDisposing) { m_MatchingTree.Dispose(); m_MatchingTree = null; if (null != iBytesRead = s.Read(bData, 0, c_iMaxReadSize); } }. . // Do we need to start the read-ahead to suck data into file system cache if (iCookie > -1) { tReadAhead.Start(iCookie); } }. Start(); }.

Efficiency 40

Efficiency Code Servers Cache 40

Alex Russell

DECEMBER 31, 2023

Barrels of virtual ink has been spilt documenting unfair app store terms, conditions, and competition. The story picks up in 2017, two years after the release of PWAs and Push Notifications in Chrome. This only worked on Samsung phones where Suwon's engineers could count on device services and system keys not available elsewhere.

Google 93

Google Mobile Games Strategy 93

Smashing Magazine

DECEMBER 22, 2021

Their design tools database features tools for everything from UI design and prototyping, to user flow and handoff, design systems and versioning. To help us do better, UX Planet published a four-part article series on streamlining the checkout experience back in 2017 which is still gold for everyone working on a checkout flow today.

Airlines 128

Airlines Mobile Design Strategy 128

Abhishek Tiwari

DECEMBER 1, 2017

At re:Invent 2017, Amazon Web Services (AWS) announced Amazon Time Sync Service which provides a highly accurate and reliable global time reference. Amazon Time Sync Service is available at no extra cost for customers using EC2 instances in Amazon Virtual Private Cloud (VPC). This service is immediately available in all AWS regions.

AWS 55

AWS Google Database Virtualization 55

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 130

Internet Internet AWS Performance 130