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

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

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

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. HA in PostgreSQL databases delivers virtually continuous availability, fault tolerance, and disaster recovery.

Availability 85

Availability Open Source Architecture Database 85

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 83

Open Source Programming Database Servers 83

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

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

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 128

Artificial Intelligence Lambda AWS Virtualization 128

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. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). include <sys/time.h>

Speed 40

Speed Java AWS Virtualization 40

Tasktop

JANUARY 27, 2021

Mik Kersten, about BMW’s ongoing transformation in the Age of Software. 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.

Code 52

Code Automotive Government Network 52

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

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

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 73

Best Practices Traffic Database Servers 73

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

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

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

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. Reporters and editors aren't software engineers, so the potential of browser competition can remain understandably opaque. The story picks up in 2017, two years after the release of PWAs and Push Notifications in Chrome.

Google 93

Google Mobile Games Strategy 93